diff --git a/public/data/pe-guide.json b/public/data/pe-guide.json new file mode 100644 index 0000000..4f916a1 --- /dev/null +++ b/public/data/pe-guide.json @@ -0,0 +1,4177 @@ +{ + "scales": { + "mrc": { + "title": "MRC strength grade (0–5)", + "icon": "fa-hand-fist", + "rows": [ + [ + "5", + "Normal power — holds against full resistance" + ], + [ + "4", + "Reduced — moves against gravity + some resistance" + ], + [ + "3", + "Moves against gravity only (no added resistance)" + ], + [ + "2", + "Full range with gravity eliminated (horizontal plane)" + ], + [ + "1", + "Flicker / trace contraction, no joint movement" + ], + [ + "0", + "No contraction" + ] + ] + }, + "dtr": { + "title": "Deep-tendon reflex grade (0–4+)", + "icon": "fa-circle-dot", + "rows": [ + [ + "0", + "Absent" + ], + [ + "1+", + "Hypoactive — trace, only with reinforcement" + ], + [ + "2+", + "Normal" + ], + [ + "3+", + "Brisk — may still be normal in anxious patients" + ], + [ + "4+", + "Hyperactive with sustained clonus — always abnormal" + ] + ] + }, + "plantar": { + "title": "Plantar response (Babinski)", + "icon": "fa-shoe-prints", + "rows": [ + [ + "Down-going", + "Normal in anyone ≥ 2 years" + ], + [ + "Up-going", + "Normal < 2 years; abnormal after — UMN lesion" + ], + [ + "Asymmetric", + "Always abnormal at any age" + ] + ] + }, + "beighton": { + "title": "Beighton hypermobility score (0–9)", + "icon": "fa-hands", + "rows": [ + [ + "≤ 3", + "Normal flexibility" + ], + [ + "4", + "Borderline — consider in context" + ], + [ + "≥ 5", + "Hypermobility spectrum; screen for hEDS if other features present" + ] + ] + }, + "atr": { + "title": "Scoliometer — angle of trunk rotation", + "icon": "fa-ruler", + "rows": [ + [ + "< 5°", + "Normal, no follow-up" + ], + [ + "5–6°", + "Borderline — re-check at each visit" + ], + [ + "≥ 7°", + "Refer for PA/lateral spine x-ray + orthopedic evaluation" + ] + ] + }, + "rr": { + "title": "Respiratory rate — upper limit by age (awake)", + "icon": "fa-lungs", + "rows": [ + [ + "Newborn", + "≤ 60 /min" + ], + [ + "< 2 months", + "≤ 60 /min (WHO tachypnea cutoff)" + ], + [ + "2–12 months", + "≤ 50 /min (WHO tachypnea cutoff)" + ], + [ + "1–5 years", + "≤ 40 /min (WHO tachypnea cutoff)" + ], + [ + "6–11 years", + "≤ 30 /min" + ], + [ + "≥ 12 years", + "≤ 20 /min (adult pattern)" + ] + ] + }, + "spo2": { + "title": "Pulse oximetry (SpO₂) — at room air", + "icon": "fa-heart-pulse", + "rows": [ + [ + "≥ 95%", + "Normal" + ], + [ + "92–94%", + "Mild hypoxemia — investigate cause" + ], + [ + "< 92%", + "Moderate hypoxemia — supplemental O₂" + ], + [ + "< 88%", + "Severe — urgent intervention; target ≥ 90% acutely" + ] + ] + }, + "silverman": { + "title": "Silverman–Andersen retraction score (neonatal, 0–10)", + "icon": "fa-baby", + "rows": [ + [ + "0", + "No respiratory distress" + ], + [ + "1–3", + "Mild — close observation" + ], + [ + "4–6", + "Moderate distress — consider CPAP / support" + ], + [ + "7–10", + "Severe — imminent respiratory failure, intubate" + ] + ] + }, + "westley": { + "title": "Westley croup severity score", + "icon": "fa-stethoscope", + "rows": [ + [ + "≤ 2", + "Mild — home management, cool mist, oral dexamethasone" + ], + [ + "3–5", + "Moderate — nebulised epinephrine + dexamethasone" + ], + [ + "6–11", + "Severe — admit, continuous monitoring" + ], + [ + "≥ 12", + "Impending respiratory failure — ICU / airway management" + ] + ] + }, + "murmurGrade": { + "title": "Heart-murmur grading (Levine 1–6)", + "icon": "fa-wave-square", + "rows": [ + [ + "1/6", + "Very faint — heard only with concentration" + ], + [ + "2/6", + "Soft but readily heard" + ], + [ + "3/6", + "Moderately loud, no thrill" + ], + [ + "4/6", + "Loud WITH a palpable thrill" + ], + [ + "5/6", + "Very loud; audible with stethoscope just off the chest" + ], + [ + "6/6", + "Audible without the stethoscope touching the chest" + ] + ] + }, + "pulseAmp": { + "title": "Pulse amplitude grade (0–4)", + "icon": "fa-heart-pulse", + "rows": [ + [ + "0", + "Absent" + ], + [ + "1+", + "Diminished, thready" + ], + [ + "2+", + "Normal" + ], + [ + "3+", + "Bounding" + ], + [ + "4+", + "Bounding with visible pulsation (e.g., aortic regurgitation)" + ] + ] + }, + "capRefill": { + "title": "Capillary refill time", + "icon": "fa-hand", + "rows": [ + [ + "< 2 sec", + "Normal" + ], + [ + "2–3 sec", + "Borderline — consider hydration / perfusion" + ], + [ + "≥ 3 sec", + "Delayed — dehydration, shock, low cardiac output" + ] + ] + } + }, + "systemScales": { + "msk": [ + "atr", + "beighton" + ], + "neuro": [ + "mrc", + "dtr", + "plantar" + ], + "resp": [ + "rr", + "spo2", + "silverman", + "westley" + ], + "cv": [ + "murmurGrade", + "pulseAmp", + "capRefill" + ] + }, + "aptmLegend": [ + { + "letter": "A", + "color": "#dc2626", + "title": "Aortic area", + "location": "2nd ICS, right sternal border", + "listen": "S2 (aortic component), aortic stenosis, aortic regurgitation" + }, + { + "letter": "P", + "color": "#2563eb", + "title": "Pulmonic area", + "location": "2nd ICS, left sternal border", + "listen": "S2 (pulmonic component), pulmonic stenosis, PDA, physiologic split of S2", + "innocent": "Pulmonary flow murmur (children, adolescents) — upper left sternal border" + }, + { + "letter": "E", + "color": "#059669", + "title": "Erb's point", + "location": "3rd ICS, left sternal border", + "listen": "Aortic regurgitation (best here), transitional zone murmurs", + "innocent": "Still's murmur classically radiates to Erb's / LLSB" + }, + { + "letter": "T", + "color": "#d97706", + "title": "Tricuspid area", + "location": "4th–5th ICS, lower left sternal border", + "listen": "Tricuspid regurgitation, VSD, S3/S4, holosystolic murmurs", + "innocent": "Still's murmur — vibratory, musical, age 3–7 y (loudest between LLSB and apex)" + }, + { + "letter": "M", + "color": "#7c3aed", + "title": "Mitral area (apex)", + "location": "5th ICS, mid-clavicular line", + "listen": "S1, mitral regurgitation, mitral stenosis (with bell, left-lateral decubitus)" + } + ], + "innocentMurmurs": [ + { + "name": "Still's (vibratory) murmur", + "age": "3–7 y (most common in children)", + "location": "LLSB, radiating to apex", + "character": "Low-frequency vibratory / musical systolic, grade 2–3/6, mid-systolic, \"twanging-string\" quality", + "confirm": "Louder supine, softer or disappears on standing or Valsalva. No radiation to neck/back. Normal S2." + }, + { + "name": "Pulmonary flow murmur", + "age": "School-age and adolescents, thin chest", + "location": "Upper left sternal border (2nd–3rd ICS)", + "character": "Soft blowing early systolic ejection, grade 1–2/6, higher-pitched", + "confirm": "No ejection click. Physiologic split of S2. Louder supine, softer on standing. No radiation." + }, + { + "name": "Venous hum", + "age": "Ages 3–8, disappears by adolescence", + "location": "Supraclavicular or infraclavicular area, usually right", + "character": "Soft continuous hum, louder in diastole. Only innocent continuous murmur.", + "confirm": "Disappears when supine OR when jugular vein is gently compressed (key maneuver). Turning head to opposite side also alters it." + }, + { + "name": "Carotid bruit / supraclavicular bruit", + "age": "Children and adolescents", + "location": "Supraclavicular fossa, right > left; may radiate to carotid", + "character": "Brief early systolic, grade 2–3/6, higher-pitched than Still's", + "confirm": "Softer or disappears with hyperextension of the shoulders. Normal cardiac exam otherwise. No radiation below the clavicles." + }, + { + "name": "Peripheral pulmonary stenosis (PPS, neonatal)", + "age": "Newborns and infants < 6–12 months", + "location": "Upper LSB, radiates to BOTH axillae and the back", + "character": "Soft systolic ejection murmur, grade 1–2/6", + "confirm": "Typical age + radiation to back/axillae. Resolves by age 1 as branch pulmonary arteries grow. Persistence or louder grade warrants echo." + } + ], + "respiratorySounds": [ + { + "key": "normal", + "src": "/audio/respiratory/normal-vesicular.ogg", + "title": "Normal vesicular breath sounds", + "where": "Peripheral lung fields", + "features": "Soft, rustling. Inspiration louder and longer than expiration.", + "clinical": "Baseline — deviation elsewhere is what you listen for." + }, + { + "key": "wheeze", + "src": "/audio/respiratory/wheeze.ogg", + "title": "Wheeze", + "where": "Diffuse in asthma; localised in foreign body", + "features": "Continuous, high-pitched, musical. Usually expiratory; biphasic if severe.", + "clinical": "Lower-airway narrowing — asthma, bronchiolitis, foreign body, bronchomalacia. Silent chest in severe asthma is an ominous sign." + }, + { + "key": "stridor", + "src": "/audio/respiratory/stridor.ogg", + "title": "Stridor", + "where": "Louder over neck than chest — upper airway", + "features": "Continuous, high-pitched, harsh. Classically inspiratory (extrathoracic obstruction); biphasic if fixed.", + "clinical": "Croup, epiglottitis, foreign body, laryngomalacia (infant). Distinguish from wheeze by auscultating the neck — stridor is loudest there." + }, + { + "key": "finecrackles", + "src": "/audio/respiratory/crackles-fine.ogg", + "title": "Fine (end-inspiratory) crackles", + "where": "Bibasilar in pulmonary edema/fibrosis; focal in pneumonia", + "features": "Discontinuous, brief, high-pitched. \"Velcro\" quality. Late inspiratory, do NOT clear with cough.", + "clinical": "Alveolar opening — pulmonary fibrosis, pulmonary edema, early pneumonia, atelectasis." + }, + { + "key": "coarsecrackles", + "src": "/audio/respiratory/crackles-coarse.ogg", + "title": "Coarse crackles", + "where": "Lower lobes; either side", + "features": "Discontinuous, longer and louder than fine crackles. Lower-pitched. Can be early or late inspiratory; often clear partly with cough.", + "clinical": "Secretions in larger airways — bronchitis, later pneumonia, bronchiectasis, aspiration." + }, + { + "key": "rhonchi", + "src": "/audio/respiratory/rhonchi.ogg", + "title": "Rhonchi", + "where": "Central or anywhere with airway secretions", + "features": "Continuous, low-pitched, snore-like. Typically expiratory. Clear or change with cough.", + "clinical": "Large-airway secretions — bronchitis, pneumonia with large-airway involvement, cystic fibrosis, bronchiectasis." + }, + { + "key": "pleuralrub", + "src": "/audio/respiratory/pleural-rub.ogg", + "title": "Pleural friction rub", + "where": "Focal, often lateral or posterior lower chest", + "features": "Grating, creaky — \"leather on leather\". Biphasic (heard in inspiration and expiration). Does NOT clear with cough.", + "clinical": "Pleural inflammation — pleuritis, pulmonary embolism, pneumonia with pleural involvement, viral pleurisy." + } + ], + "cardiacSounds": [ + { + "key": "normal", + "src": "/audio/cardiac/normal.ogg", + "title": "Normal heart sounds (S1, S2)", + "where": "All four classic auscultation points", + "rate": "~61 bpm reference", + "features": "\"lub-dub\": S1 (closure of mitral + tricuspid) louder at apex; S2 (closure of aortic + pulmonic) louder at base. Physiologic S2 split on inspiration.", + "clinical": "Reference for rhythm, rate, and the normal S1–S2 interval. Listen for what's changed — not just what's added." + }, + { + "key": "infant-normal", + "src": "/audio/cardiac/infant-normal.ogg", + "title": "Infant normal heart sounds", + "where": "Infant chest — rate will be higher than adult", + "rate": "Pediatric reference (120–160 bpm range)", + "features": "Same S1–S2 pattern, faster rate. Short diastole makes murmurs easier to miss — careful auscultation needed.", + "clinical": "Reference for neonatal/infant rhythm. Any murmur in the first 72 h should prompt pre/postductal sat screening." + }, + { + "key": "vsd", + "src": "/audio/cardiac/vsd.wav", + "title": "Ventricular septal defect (VSD)", + "where": "Lower left sternal border (4th ICS)", + "features": "Harsh, blowing, holosystolic (pansystolic) murmur — plateau shape through all of systole. Often accompanied by a thrill if large.", + "clinical": "Most common congenital heart defect. Small VSD: loud murmur, usually asymptomatic, may close spontaneously. Large VSD: softer murmur (less pressure gradient) but signs of heart failure, pulmonary hypertension." + }, + { + "key": "mvp", + "src": "/audio/cardiac/mitral-prolapse.wav", + "title": "Mitral valve prolapse (MVP) — click + late systolic murmur", + "where": "Apex (5th ICS, mid-clavicular line)", + "features": "Mid-systolic click followed by a late-systolic crescendo murmur. Timing of click changes with maneuvers: earlier with standing or Valsalva, later with squatting.", + "clinical": "Often benign, especially in thin young women. Features suggesting need for echo: thickened/redundant leaflets, associated MR, symptoms (palpitations, chest pain), arrhythmias." + }, + { + "key": "stills", + "src": "/audio/cardiac/stills-murmur.ogg", + "title": "Still's murmur (innocent)", + "where": "LLSB, radiating to apex", + "rate": "Classic age 3–7 y (this recording is a toddler)", + "features": "Low-frequency vibratory / musical systolic, grade 2–3/6, mid-systolic, \"twanging-string\" quality.", + "clinical": "The most common innocent murmur of childhood. Louder supine, softer or disappears on standing or Valsalva. Normal S2. No radiation to neck or back. No workup needed when classic." + }, + { + "key": "functional", + "src": "/audio/cardiac/functional-murmur.wav", + "title": "Functional (innocent) murmur — adult female", + "where": "Left sternal border, soft systolic", + "features": "Soft systolic murmur in a structurally normal heart — often from increased cardiac output, thin chest wall, anemia, hyperthyroidism, or pregnancy.", + "clinical": "Benign if it meets the 7 S criteria. Investigate if loud (≥3/6), holosystolic, diastolic, radiating, or with thrill / symptoms." + } + ], + "peData": { + "newborn": { + "label": "Newborn (0–28 days)", + "msk": { + "overview": "Exam done warm, quiet, undressed. Focus: birth injury, DDH, congenital anomaly. All steps symmetric.", + "components": [ + { + "name": "Resting posture", + "steps": [ + { + "label": "Observe posture", + "method": "Place supine and undisturbed for 30s", + "normal": "Symmetric flexion at hips, knees, elbows" + }, + { + "label": "Hand position", + "method": "Inspect resting hands", + "normal": "Loosely fisted; opens intermittently" + }, + { + "label": "Symmetry", + "method": "Compare left vs right side at rest", + "normal": "Mirror-image posture" + } + ], + "abnormalHints": [ + "Frog-leg (hypotonia)", + "Asymmetric arm (brachial plexus/clavicle fx)", + "Opisthotonos (CNS)", + "Persistent fisting with thumb in palm" + ] + }, + { + "name": "Clavicles", + "steps": [ + { + "label": "Palpate right clavicle", + "method": "Trace from sternoclavicular joint to acromion with index finger", + "normal": "Smooth, continuous, no step-off" + }, + { + "label": "Palpate left clavicle", + "method": "Same technique on left side", + "normal": "Smooth, continuous" + }, + { + "label": "Crepitus check", + "method": "Light pressure along length of clavicle while gently abducting arm", + "normal": "No crepitus, no pain response" + } + ], + "abnormalHints": [ + "Palpable step-off or callus (fracture — LGA, shoulder dystocia)", + "Asymmetric Moro on affected side" + ] + }, + { + "name": "Hips — DDH screen", + "steps": [ + { + "label": "Thigh/gluteal folds", + "method": "Undress completely; compare skin-fold symmetry", + "normal": "Symmetric thigh and gluteal folds" + }, + { + "label": "Abduction", + "method": "Flex hips 90°, abduct simultaneously", + "normal": "Both hips abduct to ≥75° symmetrically" + }, + { + "label": "Barlow maneuver", + "method": "Thumb on medial thigh, flex hip 90°, adduct, apply gentle posterior pressure", + "normal": "No clunk or movement felt (negative)" + }, + { + "label": "Ortolani maneuver", + "method": "From Barlow position: abduct and lift with fingers on greater trochanter", + "normal": "No clunk as hip returns (negative)" + }, + { + "label": "Galeazzi sign", + "method": "Knees flexed together with feet on table; compare knee heights", + "normal": "Knees level — no leg-length discrepancy" + } + ], + "abnormalHints": [ + "Palpable Ortolani clunk (dislocated, reducible)", + "Barlow clunk (dislocatable)", + "Limited abduction", + "Positive Galeazzi (shortened femur)" + ] + }, + { + "name": "Spine and back", + "steps": [ + { + "label": "Position prone", + "method": "Turn infant prone, support chest", + "normal": "Tolerates position, lifts head briefly" + }, + { + "label": "Palpate midline", + "method": "Run finger from C-spine to coccyx", + "normal": "Straight midline, no step-offs or gaps" + }, + { + "label": "Sacral inspection", + "method": "Inspect sacral dimple if present; measure depth, distance from anus", + "normal": "No dimple, or dimple <5mm deep and <2.5cm from anus" + }, + { + "label": "Cutaneous markers", + "method": "Inspect midline skin from neck to coccyx", + "normal": "No hair tuft, hemangioma, lipoma, or sinus tract" + } + ], + "abnormalHints": [ + "Deep sacral dimple (>5mm) or >2.5cm from anus — imaging", + "Hair tuft, hemangioma, lipoma (occult dysraphism)", + "Palpable defect" + ] + }, + { + "name": "Upper extremities", + "steps": [ + { + "label": "Spontaneous movement", + "method": "Observe both arms for 30s", + "normal": "Symmetric antigravity movement" + }, + { + "label": "Digits", + "method": "Count and inspect fingers both hands", + "normal": "5 digits each, no webbing or duplication" + }, + { + "label": "Palmar creases", + "method": "Inspect palmar creases", + "normal": "Normal triradiate creases" + } + ], + "abnormalHints": [ + "Erb/Klumpke palsy (paucity of movement)", + "Polydactyly, syndactyly", + "Single transverse (simian) palmar crease" + ] + }, + { + "name": "Lower extremities / feet", + "steps": [ + { + "label": "Hip and knee range", + "method": "Gently flex, extend, internally/externally rotate each", + "normal": "Full symmetric range, no contracture" + }, + { + "label": "Foot alignment", + "method": "Inspect resting foot position", + "normal": "Midline or mildly adducted forefoot" + }, + { + "label": "Passive correction", + "method": "Gently attempt to bring foot to neutral", + "normal": "Fully correctable to neutral" + }, + { + "label": "Stroke test", + "method": "Stroke lateral border of foot", + "normal": "Foot dorsiflexes and everts reflexively" + } + ], + "abnormalHints": [ + "Rigid clubfoot (non-correctable talipes equinovarus)", + "Fixed metatarsus adductus", + "Rocker-bottom foot (trisomy 18)", + "Calcaneovalgus" + ] + } + ] + }, + "neuro": { + "overview": "Primitive reflexes present and symmetric. Tone assessed passively and actively. Full exam 3–5 min on a quiet, fed infant.", + "components": [ + { + "name": "Alertness and behavior", + "steps": [ + { + "label": "State cycling", + "method": "Observe over 1–2 min for alert periods", + "normal": "Alert periods with spontaneous eye opening" + }, + { + "label": "Response to voice", + "method": "Speak softly near ear", + "normal": "Quiets to voice or turns toward sound" + }, + { + "label": "Consolability", + "method": "If crying, attempt to soothe with swaddling or voice", + "normal": "Consolable within 1–2 min" + } + ], + "abnormalHints": [ + "Lethargy", + "Jitteriness not stopped by passive flexion", + "Irritability unrelieved by feeding" + ] + }, + { + "name": "Cranial nerves", + "steps": [ + { + "label": "CN II — pupil response", + "method": "Shine light in each eye", + "normal": "Pupils equal, reactive to light, direct and consensual" + }, + { + "label": "CN II — blink to light", + "method": "Bright light in the line of sight", + "normal": "Reflex blink" + }, + { + "label": "CN VII — facial symmetry at rest", + "method": "Observe resting face", + "normal": "Symmetric nasolabial folds" + }, + { + "label": "CN VII — facial symmetry with cry", + "method": "Note face during a cry", + "normal": "Symmetric grimace" + }, + { + "label": "CN IX, X, XII — suck and swallow", + "method": "Offer clean gloved finger, pacifier, or during feed", + "normal": "Strong coordinated suck-swallow, no choking" + } + ], + "abnormalHints": [ + "Asymmetric face (CN VII injury — usually forceps)", + "Poor suck or uncoordinated swallow", + "Fixed or unequal pupil" + ] + }, + { + "name": "Tone — passive", + "steps": [ + { + "label": "Pull-to-sit", + "method": "Grasp hands/wrists, pull smoothly to sit", + "normal": "Brief head lag at term; not dramatic" + }, + { + "label": "Ventral suspension", + "method": "Suspend prone over hand at chest", + "normal": "Head briefly lifts to horizontal; extremities flexed" + }, + { + "label": "Arm recoil", + "method": "Extend both arms fully at elbows, release", + "normal": "Rapid return to flexion" + }, + { + "label": "Popliteal angle", + "method": "Hip flexed 90°, extend knee maximally", + "normal": "≤110°" + } + ], + "abnormalHints": [ + "Marked head lag (hypotonia)", + "Slip-through on vertical suspension", + "Hypertonia / scissoring", + "Floppy limbs with no recoil" + ] + }, + { + "name": "Spontaneous movement", + "steps": [ + { + "label": "Observe limbs", + "method": "Undisturbed over 1 min, note movement", + "normal": "Symmetric antigravity movement of all 4 limbs" + }, + { + "label": "Quality of movement", + "method": "Note smoothness vs jitteriness", + "normal": "Smooth, mildly variable movements" + } + ], + "abnormalHints": [ + "Paucity of movement in one limb", + "Coarse jitteriness", + "Clonic jerks", + "Tonic posturing" + ] + }, + { + "name": "Primitive reflexes", + "steps": [ + { + "label": "Moro", + "method": "Support head; allow 30° head drop or loud clap", + "normal": "Symmetric arm abduction then flexion, often cry" + }, + { + "label": "Rooting", + "method": "Stroke cheek at corner of mouth", + "normal": "Turns head toward stroke and opens mouth" + }, + { + "label": "Palmar grasp", + "method": "Press into palm with finger", + "normal": "Strong, symmetric finger flexion" + }, + { + "label": "Plantar grasp", + "method": "Press ball of foot below toes", + "normal": "Toes flex around finger symmetrically" + }, + { + "label": "Stepping", + "method": "Hold upright with feet touching surface", + "normal": "Alternating stepping movements" + }, + { + "label": "Tonic neck (fencing)", + "method": "Turn head to one side with infant supine", + "normal": "Same-side arm extends, opposite flexes (not obligate)" + }, + { + "label": "Galant", + "method": "Stroke paravertebrally from shoulder to buttock, one side", + "normal": "Trunk curves toward stroked side" + } + ], + "abnormalHints": [ + "Absent or asymmetric Moro — CNS injury, brachial plexus, clavicle fx", + "Absent grasps — CNS depression", + "Obligate tonic neck is abnormal" + ] + }, + { + "name": "Babinski (plantar response)", + "steps": [ + { + "label": "Stroke lateral sole", + "method": "Firm stroke from heel toward toes along lateral plantar border", + "normal": "Up-going great toe with fanning (normal in newborn)" + }, + { + "label": "Symmetry check", + "method": "Repeat opposite foot", + "normal": "Symmetric response" + } + ], + "abnormalHints": [ + "Asymmetric response is always abnormal" + ] + } + ] + }, + "resp": { + "overview": "Newborn respiratory transition — RDS, TTN, pneumonia, meconium aspiration dominate the differential. Normal RR ≤ 60. Grunting is an alarm sign.", + "components": [ + { + "name": "Inspection", + "significance": "Detects distress and localises cause. Silverman score quantifies retraction severity.", + "pearl": "Grunting is physiologic PEEP against a partially closed glottis — always a sign of significant lung pathology in a newborn. Never dismiss it as fussy breathing.", + "steps": [ + { + "label": "Respiratory rate", + "method": "Count over full 60 s, quiet and undisturbed.", + "normal": "40–60 /min; tachypnea > 60" + }, + { + "label": "Work of breathing (Silverman)", + "method": "Inspect for upper-chest retraction, lower-chest retraction, xiphoid retraction, nasal flaring, grunting. Score 0–2 for each.", + "normal": "Total Silverman 0 — no distress" + }, + { + "label": "Audible sounds", + "method": "Listen without stethoscope — stridor? grunting? wheeze across the room?", + "normal": "Quiet respirations" + }, + { + "label": "Colour", + "method": "Inspect trunk and mucous membranes for central cyanosis; acrocyanosis (blue hands/feet) is normal in the first days.", + "normal": "Pink trunk and mucous membranes" + }, + { + "label": "Chest shape", + "method": "Inspect AP:transverse diameter and symmetry.", + "normal": "Slightly barrel-shaped is normal; symmetric" + } + ], + "abnormalHints": [ + "Grunting — RDS, pneumonia, sepsis, CHD", + "Retractions + tachypnea — RDS, TTN, pneumothorax", + "Central cyanosis — cyanotic CHD, severe lung disease, persistent pulmonary HTN", + "Asymmetric chest movement — pneumothorax, diaphragmatic hernia" + ] + }, + { + "name": "Auscultation", + "significance": "Short stethoscope time in neonates because they fuss easily — get the most important zones first.", + "pearl": "Listen at the axilla, not just the anterior chest — pneumothorax can sound normal anteriorly. Auscultate both axillae systematically.", + "steps": [ + { + "label": "Air entry — anterior", + "method": "Listen bilaterally at the upper and lower anterior chest.", + "normal": "Symmetric bilateral air entry" + }, + { + "label": "Air entry — axillary", + "method": "Listen bilaterally at each axilla — this is the most sensitive area for detecting a small pneumothorax.", + "normal": "Clear and symmetric" + }, + { + "label": "Adventitious sounds", + "method": "Listen for transmitted upper-airway sounds, crackles (RDS, pneumonia), grunting sounds.", + "normal": "No crackles, no wheeze, clear sounds" + }, + { + "label": "Inspiration:expiration ratio", + "method": "Observe breath-sound timing.", + "normal": "Inspiration > expiration in length" + } + ], + "abnormalHints": [ + "Asymmetric air entry — pneumothorax, diaphragmatic hernia, endobronchial intubation", + "Fine crackles — RDS, TTN, pneumonia", + "Absent breath sounds unilaterally — pneumothorax or selective intubation" + ] + } + ] + }, + "cv": { + "overview": "Neonatal CV exam screens for CHD — the window of presentation is short and some lesions (duct-dependent) decompensate within hours of birth. Pre/postductal saturations + femoral pulses are the two fastest screens.", + "components": [ + { + "name": "Inspection and pre/postductal saturations", + "significance": "Pre/postductal SpO₂ differential > 3% suggests a duct-dependent lesion or persistent pulmonary HTN. Universal CCHD screening uses this.", + "pearl": "Pulse ox on the right hand = preductal (proximal to PDA insertion). Foot = postductal. Both arms and both legs should match; a differential is a red flag for critical CHD.", + "steps": [ + { + "label": "Central cyanosis", + "method": "Inspect tongue, lips, oral mucosa.", + "normal": "Pink mucous membranes" + }, + { + "label": "Pre/postductal SpO₂", + "method": "Measure SpO₂ in right hand (preductal) AND either foot (postductal). Baby must be ≥24 hr old for CCHD screening.", + "normal": "Both ≥ 95% AND difference < 3%" + }, + { + "label": "Peripheral perfusion", + "method": "Capillary refill on sternum; note mottling or distal cyanosis.", + "normal": "Capillary refill < 2 s, warm pink extremities" + }, + { + "label": "Precordial activity", + "method": "Inspect anterior chest for hyperactive precordium.", + "normal": "Not visible or minimally visible" + } + ], + "abnormalHints": [ + "Central cyanosis with SpO₂ < 95% → cyanotic CHD workup (4-extremity BP, ECG, hyperoxia test, echo)", + "Differential > 3% (pre > post) → duct-dependent systemic flow (HLHS, coarctation, interrupted arch)", + "Preductal < postductal — persistent pulmonary HTN with reversed shunt" + ] + }, + { + "name": "Palpation and auscultation", + "significance": "Absent femoral pulses + arm-leg BP gradient = coarctation. Many CHD lesions manifest murmurs only after ductus closes (48–72 h).", + "pearl": "Always palpate femoral pulses before discharging any newborn. Absent femorals in a well-appearing baby can be the only finding in a ductal-dependent coarctation — catastrophic if missed.", + "steps": [ + { + "label": "Apex beat", + "method": "Palpate at the 4th ICS left of sternum (apex is higher in newborns).", + "normal": "Palpable at 4th ICS, mid-clavicular or just lateral" + }, + { + "label": "Femoral pulses", + "method": "Palpate both femoral pulses at the mid-inguinal point while simultaneously feeling the right brachial pulse — detects delay.", + "normal": "Present, symmetric, equal timing with brachial" + }, + { + "label": "Auscultate each cardiac area", + "method": "Use pediatric diaphragm at each classic point; baby quiet if possible.", + "normal": "S1 S2 crisp; physiologic flow murmur sometimes present in the first 24–48 h" + }, + { + "label": "Continuous murmur", + "method": "Listen below the left clavicle for a continuous (\"machinery\") murmur of PDA.", + "normal": "No continuous murmur after the first day of life in a term baby" + }, + { + "label": "Four-limb BP (if any concern)", + "method": "Right arm, left arm, both legs.", + "normal": "Within 10 mmHg across limbs" + } + ], + "abnormalHints": [ + "Absent femoral pulses — coarctation of the aorta (surgical emergency if duct-dependent)", + "Harsh holosystolic at LLSB — VSD", + "Continuous machinery murmur — PDA (expected in preterm; in term > 48 h is abnormal)", + "Gallop S3/S4 — heart failure", + "Single S2 — transposition, truncus, severe AS/PS" + ] + } + ] + } + }, + "infant": { + "label": "Infant (1–12 months)", + "msk": { + "overview": "Continued DDH screen through 6 months. Watch motor progression and symmetry of tone/movement.", + "components": [ + { + "name": "Hips — continued DDH screen", + "steps": [ + { + "label": "Thigh-fold symmetry", + "method": "Inspect with infant supine, thighs flexed", + "normal": "Symmetric folds" + }, + { + "label": "Barlow/Ortolani (through 3mo)", + "method": "As in newborn — thumb medial, flex 90°, adduct+push then abduct+lift", + "normal": "Negative bilaterally" + }, + { + "label": "Abduction (any age)", + "method": "Flex 90°, abduct simultaneously", + "normal": "≥70° symmetric abduction" + }, + { + "label": "Galeazzi", + "method": "Knees flexed feet flat on exam table", + "normal": "Knees equal height" + } + ], + "abnormalHints": [ + "Clunk on Barlow/Ortolani (<3mo)", + "Limited abduction", + "Asymmetric folds", + "Positive Galeazzi" + ] + }, + { + "name": "Gross-motor milestones (age-appropriate)", + "steps": [ + { + "label": "Head control", + "method": "Prone, pull-to-sit, held upright", + "normal": "Age-appropriate: 2mo lifts head 45°; 4mo no head lag" + }, + { + "label": "Rolling", + "method": "Observe on flat surface", + "normal": "Rolls back-to-front by 5–6mo" + }, + { + "label": "Sitting", + "method": "Place in sitting position", + "normal": "Tripod sit by 6mo; sits without support by 7–8mo" + }, + { + "label": "Standing", + "method": "Support under arms", + "normal": "Bears weight by 6mo; pulls to stand by 9mo" + } + ], + "abnormalHints": [ + "Milestone delay by ≥2mo", + "Loss of previously attained milestone", + "Asymmetric use of limbs" + ] + }, + { + "name": "Spine", + "steps": [ + { + "label": "Palpate seated", + "method": "Run finger along spine with infant sitting or held upright", + "normal": "Midline, no step-offs" + }, + { + "label": "Back curvature", + "method": "Inspect sitting and lying", + "normal": "Physiologic gentle kyphosis in early infancy; lumbar lordosis as sitting develops" + } + ], + "abnormalHints": [ + "Fixed kyphoscoliosis", + "Sacral dimple with cutaneous marker", + "Step-off" + ] + }, + { + "name": "Extremities", + "steps": [ + { + "label": "Passive range", + "method": "Through each major joint", + "normal": "Full symmetric range" + }, + { + "label": "Joint inspection", + "method": "Inspect for swelling, warmth, effusion", + "normal": "No swelling, warmth, or effusion" + }, + { + "label": "Feet alignment", + "method": "Observe standing if pulling up, else passive positioning", + "normal": "Correctable or aligned feet; flexible" + } + ], + "abnormalHints": [ + "Joint swelling/warmth (septic vs reactive arthritis)", + "Rigid clubfoot", + "Persistent asymmetric tone" + ] + } + ] + }, + "neuro": { + "overview": "Primitive reflexes fading on schedule; protective reflexes emerging; gross motor and tone interlinked.", + "components": [ + { + "name": "Alertness and social engagement", + "steps": [ + { + "label": "Social smile", + "method": "Face-to-face interaction", + "normal": "Social smile by 6–8 weeks" + }, + { + "label": "Tracking", + "method": "Move object across visual field", + "normal": "180° horizontal tracking by 3mo" + }, + { + "label": "Engagement", + "method": "Face-to-face, voice, toys", + "normal": "Age-appropriate reciprocal interaction" + } + ], + "abnormalHints": [ + "No social smile by 3mo", + "Absent tracking past 3mo", + "Poor engagement (developmental concern)" + ] + }, + { + "name": "Cranial nerves", + "steps": [ + { + "label": "Pupils", + "method": "Light response each eye", + "normal": "Equal reactive" + }, + { + "label": "Eye alignment", + "method": "Inspect with gaze forward and in all directions", + "normal": "No strabismus past 4mo" + }, + { + "label": "Facial symmetry", + "method": "Observe smile and cry", + "normal": "Symmetric" + }, + { + "label": "Suck and swallow", + "method": "Observe feeding", + "normal": "Coordinated, no choking" + } + ], + "abnormalHints": [ + "Persistent nystagmus", + "Strabismus past 4mo", + "Asymmetric face" + ] + }, + { + "name": "Tone", + "steps": [ + { + "label": "Pull-to-sit", + "method": "Gently pull wrists/hands", + "normal": "No head lag by 4mo" + }, + { + "label": "Ventral suspension", + "method": "Support prone, observe", + "normal": "Head above horizontal, extremities actively flexed (age-dependent)" + }, + { + "label": "Vertical suspension", + "method": "Support under arms, lift", + "normal": "Does not slip through hands" + } + ], + "abnormalHints": [ + "Persistent head lag past 4mo (hypotonia)", + "Hypertonia / scissoring (UMN)", + "Slip-through on vertical suspension" + ] + }, + { + "name": "Primitive reflex integration", + "steps": [ + { + "label": "Moro", + "method": "Head drop or clap", + "normal": "Absent by 6mo" + }, + { + "label": "Palmar grasp", + "method": "Press into palm", + "normal": "Integrated by 5–6mo; replaced by voluntary grasp" + }, + { + "label": "Tonic neck", + "method": "Turn head to side", + "normal": "Absent by 6mo" + }, + { + "label": "Rooting", + "method": "Stroke cheek", + "normal": "Absent by 3–4mo" + } + ], + "abnormalHints": [ + "Persistence of any primitive reflex past 6mo warrants eval (CP, CNS injury)" + ] + }, + { + "name": "Protective and postural reflexes", + "steps": [ + { + "label": "Parachute", + "method": "Held prone, tilt head downward suddenly", + "normal": "Symmetric arm extension protectively by 9mo (emerges 6–9mo)" + }, + { + "label": "Lateral propping", + "method": "Seated infant, gentle tilt to one side", + "normal": "Arm extends to catch by 6–7mo" + }, + { + "label": "Landau", + "method": "Suspend prone", + "normal": "Extends head, spine, legs by 6mo" + } + ], + "abnormalHints": [ + "Absent parachute after 12mo (concerning)", + "Asymmetric lateral propping", + "Absent Landau" + ] + } + ] + }, + "resp": { + "overview": "Infant respiratory disease centers on bronchiolitis, reactive airways, and pneumonia. Normal RR ≤ 50 (< 2 mo: ≤ 60). Infants are obligate nose-breathers — nasal congestion alone can cause significant WOB.", + "components": [ + { + "name": "Inspection", + "significance": "Infant distress signs escalate fast. Nasal flaring, tracheal tug, head bobbing = significant WOB. Apnea in an infant < 2 mo is an emergency.", + "pearl": "A quiet infant with retractions is more worrying than a crying one — exhausted infants stop crying and become hypoxic silently.", + "steps": [ + { + "label": "Respiratory rate", + "method": "Count over full 60 s while quiet.", + "normal": "< 2 mo: ≤ 60; 2–12 mo: ≤ 50" + }, + { + "label": "Work of breathing", + "method": "Inspect nasal flaring, subcostal/intercostal/suprasternal retractions, tracheal tug, head-bobbing, accessory muscle use.", + "normal": "No retractions, effortless breathing" + }, + { + "label": "Audible sounds", + "method": "Stridor? Wheeze across the room? Grunting? Prolonged expiration?", + "normal": "Quiet respirations" + }, + { + "label": "Colour and feeding history", + "method": "Central cyanosis? Poor feeding (feeding is an effort marker in infants)?", + "normal": "Pink, feeds well" + }, + { + "label": "Apnea observation", + "method": "Watch for ≥ 20-s pauses or pauses < 20 s with bradycardia/cyanosis.", + "normal": "No apneas" + } + ], + "abnormalHints": [ + "Grunting / persistent retractions — pneumonia, bronchiolitis, CHF", + "Wheeze — bronchiolitis (RSV), asthma, foreign body", + "Stridor — croup (6 mo–6 y), laryngomalacia (infant), foreign body", + "Apnea — bronchiolitis, sepsis, pertussis, seizure" + ] + }, + { + "name": "Auscultation", + "significance": "Infants have a thin chest wall — sounds transmit widely. Symmetry, wheeze, and crackles are the main findings.", + "pearl": "In bronchiolitis, the classical finding is widespread end-inspiratory fine crackles PLUS expiratory wheeze. Tachypnea + retractions in an RSV-season infant confirms.", + "steps": [ + { + "label": "Air entry — bilateral", + "method": "Warm stethoscope; listen at anterior chest and both axillae, both sides.", + "normal": "Symmetric air entry" + }, + { + "label": "Wheeze", + "method": "Listen in expiration. Diffuse wheeze = lower airway; focal wheeze = foreign body or local obstruction.", + "normal": "No wheeze" + }, + { + "label": "Crackles", + "method": "Listen in late inspiration. Focal = pneumonia; diffuse fine = bronchiolitis.", + "normal": "No crackles" + }, + { + "label": "Prolonged expiration", + "method": "Note expiration:inspiration length ratio.", + "normal": "Inspiration ≥ expiration" + } + ], + "abnormalHints": [ + "Focal crackles + fever — pneumonia", + "Diffuse wheeze + fine crackles in an RSV-season infant — bronchiolitis", + "Silent chest with extreme WOB — impending respiratory failure" + ] + } + ] + }, + "cv": { + "overview": "Most CHD manifests in the first year as pulmonary blood-flow changes and the ductus closes. Infant CV exam = growth review + inspection + femoral pulses + auscultation. A harsh pan-systolic LLSB murmur in a 6-week-old = VSD until proven otherwise.", + "components": [ + { + "name": "Inspection and functional assessment", + "significance": "Heart failure in infants presents as poor feeding, sweating during feeds (diaphoresis), tachypnea, and poor weight gain. These historical features predict bad exam findings.", + "pearl": "Ask \"Does the baby sweat while feeding?\" — infant CHF presents with diaphoresis on the forehead during feeds, well before peripheral edema appears.", + "steps": [ + { + "label": "Growth trajectory", + "method": "Plot weight-for-age on WHO chart. Failure to thrive raises CHD concern.", + "normal": "Tracking ≥ 10th percentile or stable on personal curve" + }, + { + "label": "Feeding history", + "method": "Ask about feed duration, sweating with feeds, tachypnea with feeds, tiring easily.", + "normal": "Feeds < 20 min, no diaphoresis, no tachypnea" + }, + { + "label": "Central cyanosis", + "method": "Inspect tongue and oral mucosa.", + "normal": "Pink" + }, + { + "label": "Clubbing", + "method": "Inspect finger nail beds (subtle in infants).", + "normal": "No clubbing" + }, + { + "label": "Peripheral perfusion", + "method": "Cap refill, warmth of extremities.", + "normal": "Cap refill < 2 s, warm extremities" + } + ], + "abnormalHints": [ + "Poor weight gain — consider CHF from L-to-R shunt (VSD, PDA, AVSD)", + "Diaphoresis with feeds — infant CHF", + "Tiring with feeds — significant CHD", + "Central cyanosis — cyanotic CHD (ToF, TGA, TA, etc.)" + ] + }, + { + "name": "Palpation and auscultation", + "significance": "Femoral pulses + 4-limb BP screen coarctation. A harsh holosystolic murmur at LLSB is almost always a VSD in this age.", + "pearl": "Listen over each of the 5 classic points as in the adult exam — the locations shift slightly with infant chest size but relative positions are the same. Also listen at the back: coarctation murmurs radiate there.", + "steps": [ + { + "label": "Apex beat", + "method": "Palpate at 4th ICS mid-clavicular line.", + "normal": "Palpable at 4th ICS in infants" + }, + { + "label": "Femoral pulses", + "method": "Palpate bilaterally, simultaneously with right brachial.", + "normal": "Present, equal, no delay vs brachial" + }, + { + "label": "Listen at each classic area (APTM)", + "method": "See APTM diagram. Use pediatric stethoscope with both diaphragm and bell.", + "normal": "S1 and S2 crisp, no murmur or physiologic only" + }, + { + "label": "Listen over the back (interscapular)", + "method": "Check for radiation of coarctation murmurs.", + "normal": "No radiating murmur" + } + ], + "abnormalHints": [ + "Harsh holosystolic LLSB murmur — VSD", + "Continuous \"machinery\" murmur below left clavicle — PDA", + "Systolic ejection at ULSB + fixed split S2 — ASD", + "Ejection murmur at ULSB + cyanosis — tetralogy of Fallot", + "Absent femorals + radio-femoral delay — coarctation", + "Gallop + tachycardia — heart failure" + ] + } + ] + } + }, + "toddler": { + "label": "Toddler (1–3 years)", + "msk": { + "overview": "Gait, physiologic alignment changes, in-toeing, joint range. Cooperation unpredictable — use play.", + "components": [ + { + "name": "Gait", + "steps": [ + { + "label": "Base of support", + "method": "Have child walk ~10 feet", + "normal": "Wide-based initially, narrowing by 2y" + }, + { + "label": "Heel-strike", + "method": "Observe foot contact pattern", + "normal": "Heel-strike developing by 18mo, consistent by 2y" + }, + { + "label": "Arm swing", + "method": "Observe reciprocal arm swing", + "normal": "Reciprocal arm swing by 18mo" + }, + { + "label": "Symmetry", + "method": "Watch both sides in stance and swing", + "normal": "Symmetric stride length and cadence" + } + ], + "abnormalHints": [ + "Toe-walking past 2y (idiopathic vs CP vs DMD)", + "Limp (Legg-Calvé-Perthes, transient synovitis, trauma)", + "Wide-based ataxia" + ] + }, + { + "name": "Knee alignment", + "steps": [ + { + "label": "Stand feet together", + "method": "Feet/medial malleoli touching; inspect knees", + "normal": "Genu varum resolving by 18–24mo; mild genu valgum common by 2–3y" + }, + { + "label": "Intercondylar or intermalleolar distance", + "method": "Measure if alignment appears abnormal", + "normal": "<5cm intercondylar (varum) or <8cm intermalleolar (valgum)" + }, + { + "label": "Symmetry", + "method": "Compare sides", + "normal": "Symmetric" + } + ], + "abnormalHints": [ + "Persistent varum past 2y", + "Severe valgum >8cm", + "Unilateral (Blount disease, rickets)" + ] + }, + { + "name": "Feet alignment", + "steps": [ + { + "label": "In-toeing / out-toeing", + "method": "Observe foot angle during gait", + "normal": "Mild in-toeing common (tibial torsion, femoral anteversion)" + }, + { + "label": "Arch during stance", + "method": "Stand flat, then on tiptoes", + "normal": "Flexible flat foot that forms arch on tiptoe" + }, + { + "label": "Heel alignment", + "method": "View from behind standing", + "normal": "Neutral or mildly valgus heel" + } + ], + "abnormalHints": [ + "Rigid flat foot (tarsal coalition)", + "Fixed metatarsus adductus", + "Severe in-toeing >15°" + ] + }, + { + "name": "Joint range", + "steps": [ + { + "label": "Hips", + "method": "Flex, abduct, rotate each hip", + "normal": "Full symmetric range, no pain" + }, + { + "label": "Knees", + "method": "Flex, extend; palpate for effusion", + "normal": "Full range, no effusion, stable" + }, + { + "label": "Ankles", + "method": "Dorsiflex, plantarflex, invert, evert", + "normal": "Full range" + }, + { + "label": "Shoulders, elbows, wrists", + "method": "Through full range each", + "normal": "Full symmetric range" + } + ], + "abnormalHints": [ + "Joint effusion (septic vs reactive)", + "Guarded or painful motion", + "Asymmetric limitation" + ] + }, + { + "name": "Spine", + "steps": [ + { + "label": "Inspect standing", + "method": "View spine from behind", + "normal": "Midline, no prominent curve" + }, + { + "label": "Palpate midline", + "method": "Run finger along spinous processes", + "normal": "Midline, no step-off, no tenderness" + }, + { + "label": "Shoulder/hip symmetry", + "method": "Compare shoulder and hip heights", + "normal": "Symmetric" + } + ], + "abnormalHints": [ + "Fixed scoliosis", + "Abnormal kyphosis", + "Asymmetric shoulder/hip", + "Midline tenderness" + ] + } + ] + }, + "neuro": { + "overview": "Shifting to adult-pattern exam. Primitive reflexes should be absent. Use play-based techniques.", + "components": [ + { + "name": "Mental status and language", + "steps": [ + { + "label": "Engagement", + "method": "Interaction with examiner/parent", + "normal": "Alert, interactive, age-appropriate" + }, + { + "label": "Language — expressive", + "method": "Note spontaneous utterances", + "normal": "1y: 1–3 words; 2y: 2-word phrases; 3y: short sentences" + }, + { + "label": "Language — receptive", + "method": "Ask to point to body parts or follow simple commands", + "normal": "Follows age-appropriate commands" + } + ], + "abnormalHints": [ + "Language regression (autism, epileptic encephalopathy)", + "Poor engagement", + "No 2-word phrases by 2y" + ] + }, + { + "name": "Cranial nerves", + "steps": [ + { + "label": "CN II — pupil response", + "method": "Shine light each eye", + "normal": "Pupils equal reactive" + }, + { + "label": "CN III, IV, VI — EOM", + "method": "Follow toy in H pattern", + "normal": "Full smooth tracking, no strabismus" + }, + { + "label": "CN V — facial sensation", + "method": "Light touch on forehead, cheek, jaw", + "normal": "Responds to touch, symmetric" + }, + { + "label": "CN VII — face", + "method": "Elicit smile, watch eye closure during cry", + "normal": "Symmetric face" + }, + { + "label": "CN IX, X, XII — mouth", + "method": "Say \"ahh\"; stick out tongue", + "normal": "Palate rises symmetrically; tongue midline" + } + ], + "abnormalHints": [ + "Strabismus", + "Facial asymmetry", + "Tongue deviation", + "Absent palate elevation" + ] + }, + { + "name": "Motor — tone and bulk", + "steps": [ + { + "label": "Passive tone", + "method": "Move each limb through full range", + "normal": "Normal resistance throughout" + }, + { + "label": "Bulk inspection", + "method": "Inspect muscle bulk of thighs, calves, glutes", + "normal": "Symmetric, age-appropriate bulk" + }, + { + "label": "Contracture check", + "method": "Test for heel-cord tightness, hamstring tightness", + "normal": "No contractures" + } + ], + "abnormalHints": [ + "Spasticity (especially catch in ankles)", + "Hypotonia", + "Calf pseudo-hypertrophy (DMD)" + ] + }, + { + "name": "Motor — functional strength", + "steps": [ + { + "label": "Rising from floor", + "method": "Place flat on back; ask to stand up", + "normal": "Rises without using hands to push off thighs (no Gowers)" + }, + { + "label": "Climbing stairs", + "method": "Observe or history", + "normal": "Climbs holding rail" + }, + { + "label": "Squatting/getting up", + "method": "Encourage via play", + "normal": "Squats and rises without help" + } + ], + "abnormalHints": [ + "Gowers sign (proximal weakness — DMD)", + "Unable to climb stairs at age expected", + "Calf pain on walking (myositis)" + ] + }, + { + "name": "Deep tendon reflexes", + "steps": [ + { + "label": "Patellar", + "method": "Sitting or supine with distraction (toy)", + "normal": "2+ symmetric" + }, + { + "label": "Biceps", + "method": "Arm at rest, strike thumb on tendon", + "normal": "2+ symmetric" + }, + { + "label": "Achilles", + "method": "With distraction", + "normal": "2+ symmetric" + } + ], + "abnormalHints": [ + "Hyperreflexia or clonus (UMN, CP)", + "Absent reflexes (LMN, neuropathy)", + "Asymmetry" + ] + }, + { + "name": "Coordination and gait", + "steps": [ + { + "label": "Run", + "method": "Watch run ~10 feet", + "normal": "Runs with reciprocal arm swing by 2y" + }, + { + "label": "Stairs", + "method": "Observe", + "normal": "Climbs with rail" + }, + { + "label": "Kick ball", + "method": "Place ball; observe kick", + "normal": "Kicks by 2y" + }, + { + "label": "Ataxia check", + "method": "Watch for fluency of movement", + "normal": "Smooth, no tremor" + } + ], + "abnormalHints": [ + "Ataxic gait", + "Intention tremor", + "Clumsiness beyond age" + ] + }, + { + "name": "Plantar response", + "steps": [ + { + "label": "Stroke lateral sole", + "method": "Firm stroke from heel to toes", + "normal": "Down-going great toe (plantar flexion) by age 2" + } + ], + "abnormalHints": [ + "Up-going toe after age 2 = UMN sign (Babinski positive)" + ] + } + ] + }, + "resp": { + "overview": "Toddler respiratory disease: viral URIs, reactive airways, croup (6 mo–6 y classical age), foreign-body aspiration (age 1–3 is peak). Normal RR ≤ 40.", + "components": [ + { + "name": "Inspection", + "pearl": "Sudden onset of unilateral wheeze + choking history in a toddler = foreign body until proven otherwise. CXR in expiration (or decubitus) helps show the trapped air.", + "steps": [ + { + "label": "Respiratory rate", + "method": "Count over full 60 s if possible.", + "normal": "≤ 40 /min" + }, + { + "label": "Work of breathing", + "method": "Retractions, nasal flaring, tracheal tug.", + "normal": "No retractions" + }, + { + "label": "Audible sounds", + "method": "Stridor (croup), wheeze, barking cough.", + "normal": "Quiet respirations" + }, + { + "label": "Drooling / posture", + "method": "Tripod positioning, drooling (epiglottitis in unvaccinated child).", + "normal": "No drooling, normal posture" + } + ], + "abnormalHints": [ + "Barking cough + stridor — croup", + "Drooling + tripod + toxic — epiglottitis (emergency)", + "Sudden unilateral wheeze — foreign body aspiration" + ] + }, + { + "name": "Auscultation", + "steps": [ + { + "label": "Air entry", + "method": "Cooperation variable — listen quickly and systematically.", + "normal": "Symmetric" + }, + { + "label": "Adventitious sounds", + "method": "Wheeze, crackles, stridor at the neck.", + "normal": "Clear lung fields" + }, + { + "label": "Unilateral findings", + "method": "Focal wheeze, decreased air entry, or asymmetry — think foreign body or pneumonia.", + "normal": "Symmetric bilateral" + } + ], + "abnormalHints": [ + "Unilateral decreased breath sounds + wheeze — foreign body", + "Focal crackles — pneumonia", + "Diffuse wheeze — asthma/RAD" + ] + } + ] + }, + "cv": { + "overview": "Most hemodynamically significant CHD has been detected by this age. Innocent murmurs peak here (Still's murmur, venous hum). The exam is adult-pattern but with smaller chest and less cooperation.", + "components": [ + { + "name": "Inspection and palpation", + "pearl": "Innocent murmurs are a normal finding in well toddlers — soft, systolic, at the LLSB, musical, and they change with position. Anything that doesn't fit that pattern deserves referral.", + "steps": [ + { + "label": "General appearance + growth", + "method": "Happy, active, tracking growth.", + "normal": "Normal growth and activity" + }, + { + "label": "Colour and clubbing", + "method": "Inspect tongue, nail beds.", + "normal": "Pink, no clubbing" + }, + { + "label": "Apex beat", + "method": "Palpate at 5th ICS mid-clavicular line.", + "normal": "Located at 5th ICS MCL, tapping quality" + }, + { + "label": "Peripheral pulses", + "method": "Brachial + femoral, symmetric and simultaneous.", + "normal": "Symmetric, no delay" + } + ], + "abnormalHints": [ + "Tiring with play, poor growth — missed CHD", + "Cyanosis + clubbing — cyanotic CHD", + "Absent femorals — coarctation" + ] + }, + { + "name": "Auscultation", + "steps": [ + { + "label": "All 5 classic points", + "method": "See APTM diagram above — Aortic, Pulmonic, Erb's, Tricuspid, Mitral.", + "normal": "Crisp S1, S2 with physiologic split at pulmonic area" + }, + { + "label": "Evaluate any murmur", + "method": "Timing, location, radiation, grade. Apply the \"7 S\" innocent-murmur criteria.", + "normal": "No murmur, or soft (≤ grade 2) innocent murmur" + }, + { + "label": "Change with position", + "method": "Have toddler sit, stand, lie down — does the murmur change? Innocent murmurs typically disappear or soften with standing.", + "normal": "Murmur (if any) changes with position" + } + ], + "abnormalHints": [ + "Harsh, loud (≥3/6), radiating, or diastolic murmur — not innocent, refer", + "Cyanosis + murmur — CHD workup", + "Fixed split S2 — ASD" + ] + } + ] + } + }, + "preschool": { + "label": "Preschool (3–5 years)", + "msk": { + "overview": "Functional gait maneuvers, scoliosis screen, resolving physiologic alignment.", + "components": [ + { + "name": "Gait — multiple patterns", + "steps": [ + { + "label": "Normal gait", + "method": "Walk ~15 feet barefoot", + "normal": "Symmetric, smooth, reciprocal arm swing" + }, + { + "label": "Heel walking", + "method": "Walk on heels only", + "normal": "Able by 4y" + }, + { + "label": "Toe walking", + "method": "Walk on toes only", + "normal": "Able by 4y" + }, + { + "label": "Tandem walking", + "method": "Heel-to-toe along a line for 5 steps", + "normal": "Able by 4y with minimal deviation" + }, + { + "label": "Hopping", + "method": "Hop on one foot", + "normal": "3–5 hops on preferred foot by 4y" + } + ], + "abnormalHints": [ + "Persistent toe-walking", + "Asymmetric stance/stride", + "Difficulty with any pattern" + ] + }, + { + "name": "Alignment", + "steps": [ + { + "label": "Knee alignment", + "method": "Stand feet together", + "normal": "Mild residual valgus resolving; neutral by 6–7y" + }, + { + "label": "Foot arch", + "method": "Standing, then tiptoe", + "normal": "Arch forms on tiptoe (flexible flat foot)" + }, + { + "label": "Heel position", + "method": "View from behind standing", + "normal": "Neutral or mild valgus" + } + ], + "abnormalHints": [ + "Persistent unilateral varum", + "Rigid flat foot (no arch on tiptoe)", + "Pes cavus" + ] + }, + { + "name": "Scoliosis screen (Adam forward-bend)", + "steps": [ + { + "label": "Position", + "method": "Feet together, bend forward at waist, arms hanging, palms together", + "normal": "Arms and head relaxed" + }, + { + "label": "View from behind", + "method": "Examiner at same height; look along back", + "normal": "Symmetric paraspinal contour" + }, + { + "label": "View from side", + "method": "Side view for kyphosis", + "normal": "Smooth thoracic curve" + } + ], + "abnormalHints": [ + "Rib hump (thoracic scoliosis)", + "Lumbar prominence", + "Asymmetric scapular height" + ] + }, + { + "name": "Joint range and stability", + "steps": [ + { + "label": "Active range", + "method": "Ask to perform full range at hips, knees, ankles, shoulders, elbows, wrists", + "normal": "Full symmetric range, no pain" + }, + { + "label": "Knee stability", + "method": "Palpate for effusion; assess stability if complaint", + "normal": "Stable, no effusion" + }, + { + "label": "Carrying angle (elbows)", + "method": "Arms at sides, palms forward", + "normal": "Normal valgus carrying angle" + } + ], + "abnormalHints": [ + "Joint hypermobility (Beighton score)", + "Effusion", + "Pain with motion", + "Valgus >15°" + ] + }, + { + "name": "Feet", + "steps": [ + { + "label": "Standing inspection", + "method": "View from front and behind", + "normal": "Symmetric feet, neutral heel, flexible flat feet common" + }, + { + "label": "Tiptoe", + "method": "Stand on tiptoes", + "normal": "Arch forms, symmetric" + }, + { + "label": "Pes planus vs cavus", + "method": "Note arch height", + "normal": "Flexible flat foot or mild arch" + } + ], + "abnormalHints": [ + "Rigid flat foot", + "Pes cavus (Charcot-Marie-Tooth)", + "Pain" + ] + } + ] + }, + "neuro": { + "overview": "Formal pediatric neuro exam now feasible — most 4- and 5-year-olds cooperate with structured testing.", + "components": [ + { + "name": "Mental status and language", + "steps": [ + { + "label": "Orientation (age-appropriate)", + "method": "Ask name, age, where you are", + "normal": "Knows name and age by 3y; location by 4–5y" + }, + { + "label": "Speech intelligibility", + "method": "Listen to spontaneous speech", + "normal": "Strangers understand by 4y" + }, + { + "label": "Receptive language", + "method": "2- and 3-step commands", + "normal": "Follows 3-step commands by 4–5y" + } + ], + "abnormalHints": [ + "Dysarthria", + "Expressive or receptive language delay", + "Inattention" + ] + }, + { + "name": "Cranial nerves (II–XII)", + "steps": [ + { + "label": "CN II — visual acuity", + "method": "HOTV chart or pictures at 10ft, each eye", + "normal": "20/30 or better by 4y; 20/25 by 5y" + }, + { + "label": "CN II — visual fields", + "method": "Confrontation with toys from periphery", + "normal": "Full fields" + }, + { + "label": "CN II — pupils", + "method": "Light response each eye", + "normal": "PERRL" + }, + { + "label": "CN III, IV, VI — EOM", + "method": "Follow toy in H pattern; include convergence", + "normal": "Full EOM, convergence present" + }, + { + "label": "CN V — sensation", + "method": "Light touch forehead, cheek, jaw each side", + "normal": "Intact, symmetric" + }, + { + "label": "CN V — motor", + "method": "Clench teeth, palpate masseter", + "normal": "Symmetric strong bulk" + }, + { + "label": "CN VII — face", + "method": "Smile, wrinkle forehead, close eyes, puff cheeks", + "normal": "Symmetric movement of all regions" + }, + { + "label": "CN VIII — hearing", + "method": "Finger rub each ear or whispered words", + "normal": "Intact bilaterally" + }, + { + "label": "CN IX, X — palate", + "method": "Open mouth, say \"ahh\"", + "normal": "Palate rises symmetrically, uvula midline" + }, + { + "label": "CN XI — SCM/trapezius", + "method": "Shrug shoulders, turn head against resistance", + "normal": "Symmetric strength" + }, + { + "label": "CN XII — tongue", + "method": "Stick tongue out, move side to side", + "normal": "Midline, no atrophy, full movement" + } + ], + "abnormalHints": [ + "Strabismus (amblyopia risk)", + "Facial weakness", + "Tongue deviation/fasciculations", + "Uvula off-midline" + ] + }, + { + "name": "Motor — tone, bulk, strength", + "steps": [ + { + "label": "Tone inspection", + "method": "Passive range all four limbs", + "normal": "Normal tone throughout" + }, + { + "label": "Bulk inspection", + "method": "Observe muscle bulk symmetry", + "normal": "Symmetric, age-appropriate" + }, + { + "label": "Strength — shoulder abduction", + "method": "Arms out, push down against resistance", + "normal": "5/5 bilaterally" + }, + { + "label": "Strength — elbow flexion", + "method": "Flex elbow against resistance", + "normal": "5/5 bilaterally" + }, + { + "label": "Strength — grip", + "method": "Squeeze examiner's fingers", + "normal": "5/5 symmetric" + }, + { + "label": "Strength — hip flexion", + "method": "Lift leg off table against resistance", + "normal": "5/5 bilaterally" + }, + { + "label": "Strength — knee extension", + "method": "Straighten knee against resistance", + "normal": "5/5 bilaterally" + }, + { + "label": "Strength — dorsiflexion", + "method": "Pull toes up against resistance", + "normal": "5/5 bilaterally" + } + ], + "abnormalHints": [ + "Focal weakness", + "Gowers sign", + "Pseudohypertrophy (DMD)", + "Atrophy" + ] + }, + { + "name": "Deep tendon reflexes", + "steps": [ + { + "label": "Biceps", + "method": "Thumb on biceps tendon, strike", + "normal": "2+ symmetric" + }, + { + "label": "Patellar", + "method": "Knees hanging, strike patellar tendon", + "normal": "2+ symmetric" + }, + { + "label": "Achilles", + "method": "Slight dorsiflexion, strike Achilles tendon", + "normal": "2+ symmetric" + }, + { + "label": "Plantar response", + "method": "Stroke lateral sole heel-to-toes", + "normal": "Down-going great toe" + } + ], + "abnormalHints": [ + "Hyperreflexia or clonus (UMN)", + "Hyporeflexia (LMN)", + "Up-going plantar (Babinski — abnormal past 2y)", + "Asymmetry" + ] + }, + { + "name": "Coordination", + "steps": [ + { + "label": "Finger-to-nose", + "method": "Touch examiner's finger then own nose, repeat", + "normal": "Smooth, no dysmetria" + }, + { + "label": "Heel-to-shin", + "method": "Run heel down opposite shin", + "normal": "Smooth bilaterally" + }, + { + "label": "Rapid alternating movements", + "method": "Tap palm with opposite hand alternating palm/back", + "normal": "Rhythmic, symmetric" + }, + { + "label": "Tandem walk", + "method": "Heel-to-toe for 5 steps", + "normal": "Minimal deviation" + } + ], + "abnormalHints": [ + "Dysmetria", + "Dysdiadochokinesia", + "Intention tremor", + "Ataxic tandem" + ] + }, + { + "name": "Sensory", + "steps": [ + { + "label": "Light touch — hands", + "method": "Cotton wisp on palm/dorsum, eyes closed", + "normal": "Feels each touch" + }, + { + "label": "Light touch — feet", + "method": "Same on dorsum of foot bilaterally", + "normal": "Feels each touch" + } + ], + "abnormalHints": [ + "Focal sensory loss", + "Stocking-glove loss" + ] + }, + { + "name": "Gait and Romberg", + "steps": [ + { + "label": "Normal gait", + "method": "Walk ~20 feet", + "normal": "Smooth, symmetric" + }, + { + "label": "Heel walk", + "method": "Walk on heels", + "normal": "Able without difficulty" + }, + { + "label": "Toe walk", + "method": "Walk on toes", + "normal": "Able without difficulty" + }, + { + "label": "Tandem", + "method": "Heel-to-toe", + "normal": "Intact" + }, + { + "label": "Romberg (5y+)", + "method": "Feet together, eyes closed, stand 10s", + "normal": "Stable without sway" + } + ], + "abnormalHints": [ + "Ataxic gait (cerebellar)", + "Romberg positive (dorsal column)", + "Circumduction (UMN)" + ] + } + ] + }, + "resp": { + "overview": "Adult-pattern but shorter. Cooperation better than toddler. RR ≤ 30. Common: asthma/RAD, pneumonia, URIs.", + "components": [ + { + "name": "Inspection", + "steps": [ + { + "label": "Respiratory rate", + "method": "Count over full 60 s quietly.", + "normal": "≤ 30 /min" + }, + { + "label": "Work of breathing", + "method": "Retractions, nasal flaring, accessory muscle use.", + "normal": "Effortless breathing" + }, + { + "label": "Audible sounds", + "method": "Wheeze, stridor, cough quality (barking = croup).", + "normal": "Quiet" + }, + { + "label": "Chest shape", + "method": "AP:transverse, hyperinflation signs.", + "normal": "Not barrel-chested" + } + ], + "abnormalHints": [ + "Barrel chest — chronic asthma, cystic fibrosis", + "Retractions + wheeze — asthma exacerbation" + ] + }, + { + "name": "Auscultation", + "steps": [ + { + "label": "Systematic zones", + "method": "Upper, mid, lower fields anteriorly and posteriorly; axillae bilaterally. Cooperative deep breaths through mouth.", + "normal": "Symmetric vesicular sounds" + }, + { + "label": "Wheeze", + "method": "Expiratory, diffuse (asthma) or focal (foreign body, rare at this age).", + "normal": "No wheeze" + }, + { + "label": "Crackles", + "method": "Focal = pneumonia; diffuse fine = interstitial disease (rare in kids).", + "normal": "No crackles" + } + ], + "abnormalHints": [ + "Focal crackles + fever — pneumonia", + "Diffuse wheeze — asthma", + "Prolonged expiration with wheeze — lower airway obstruction" + ] + } + ] + }, + "cv": { + "overview": "Most CHD is detected by this age. Innocent murmurs peak in this range. Sports participation exams require thorough CV screening.", + "components": [ + { + "name": "Inspection and palpation", + "steps": [ + { + "label": "General and growth", + "method": "Track on growth curve; activity tolerance.", + "normal": "Normal growth, active" + }, + { + "label": "Apex beat", + "method": "5th ICS mid-clavicular line.", + "normal": "Normal position and character" + }, + { + "label": "Peripheral pulses", + "method": "Brachial + femoral simultaneously. BP in arm and leg if HTN.", + "normal": "Symmetric, no delay" + } + ], + "abnormalHints": [ + "Absent femorals or arm-leg BP gradient — coarctation (always check in HTN screening)", + "Displaced apex — cardiomegaly" + ] + }, + { + "name": "Auscultation", + "pearl": "The 7 \"S\" criteria and the 5 classic innocent murmurs (see panel above) handle most murmurs you'll find in this age group. Still's murmur is the single most common.", + "steps": [ + { + "label": "All 5 classic points", + "method": "Walk through A → P → E → T → M with diaphragm then bell.", + "normal": "S1 S2 clear, physiologic S2 split at pulmonic, no added sounds" + }, + { + "label": "Any murmur", + "method": "Characterise: timing, location, radiation, grade, character. Apply 7 S criteria + compare to innocent-murmur panel.", + "normal": "No murmur, or innocent flow murmur meeting all 7 S criteria" + }, + { + "label": "Position change", + "method": "Standing vs supine. Innocent murmurs typically soften or disappear on standing.", + "normal": "Murmur (if any) changes with position" + }, + { + "label": "Sports screening extras (if applicable)", + "method": "Screen for HOCM — murmur intensifies with Valsalva and standing (opposite of most).", + "normal": "No murmur worsening on Valsalva" + } + ], + "abnormalHints": [ + "Murmur breaking any of the 7 S criteria — refer", + "Harsh systolic at LUSB + fixed split S2 — ASD", + "Murmur louder with Valsalva — HOCM (sports participation risk)", + "Diastolic murmur — always pathologic" + ] + } + ] + } + }, + "school": { + "label": "School-age (6–11 years)", + "msk": { + "overview": "Scoliosis screening peri-puberty, sports overuse injuries, resolving alignment.", + "components": [ + { + "name": "Scoliosis screen (forward-bend + scoliometer)", + "steps": [ + { + "label": "Standing inspection", + "method": "Shoulders and iliac crest heights", + "normal": "Symmetric shoulder and pelvic heights" + }, + { + "label": "Forward bend (Adam test)", + "method": "Feet together, bend forward at waist, arms hanging palms together", + "normal": "Symmetric paraspinal contour" + }, + { + "label": "Rib hump", + "method": "View tangentially from behind at level of curve", + "normal": "No rib hump" + }, + { + "label": "Lumbar prominence", + "method": "Same view at lumbar level", + "normal": "No prominence" + }, + { + "label": "Scoliometer (if available)", + "method": "Place scoliometer across rib hump, read angle of trunk rotation", + "normal": "ATR < 5°; ≥7° → refer" + } + ], + "abnormalHints": [ + "Rib hump", + "ATR ≥7°", + "Asymmetric shoulders or pelvis", + "Decompensation (plumb line offset)" + ] + }, + { + "name": "Back and spine", + "steps": [ + { + "label": "Posture inspection", + "method": "Standing, view front/back/side", + "normal": "Normal spinal curves; plumb line centered" + }, + { + "label": "Palpate spinous processes", + "method": "From C2 to S1", + "normal": "No tenderness, no step-off" + }, + { + "label": "Range of motion", + "method": "Flex, extend, lateral bend, rotate", + "normal": "Full painless range" + } + ], + "abnormalHints": [ + "Midline tenderness", + "Step-off (spondylolisthesis)", + "Limited motion with pain" + ] + }, + { + "name": "Alignment", + "steps": [ + { + "label": "Knees", + "method": "Feet together, inspect", + "normal": "Neutral alignment by 6–7y" + }, + { + "label": "Feet", + "method": "Stand, then tiptoes", + "normal": "Medial arch present, symmetric" + }, + { + "label": "Leg lengths", + "method": "Supine, measure ASIS to medial malleolus if asymmetric", + "normal": "Equal within 1cm" + } + ], + "abnormalHints": [ + "Residual valgum", + "Pes cavus", + "Leg-length discrepancy >1cm" + ] + }, + { + "name": "Joint stability and sports exam (if active)", + "steps": [ + { + "label": "Active range all joints", + "method": "Through full range", + "normal": "Full symmetric range, no pain or crepitus" + }, + { + "label": "Knee — Lachman (if sports-active)", + "method": "Knee 20° flexion, stabilize femur, pull tibia forward", + "normal": "Firm endpoint, no laxity" + }, + { + "label": "Knee — McMurray", + "method": "Flexed knee, rotate tibia while extending", + "normal": "No pain or click" + }, + { + "label": "Shoulder — impingement (Neer/Hawkins)", + "method": "Passive shoulder flexion with arm in internal rotation", + "normal": "No pain" + }, + { + "label": "Ankle stability", + "method": "Anterior drawer and talar tilt", + "normal": "No laxity" + } + ], + "abnormalHints": [ + "ACL laxity (positive Lachman)", + "Meniscal click", + "Shoulder impingement", + "Ankle instability" + ] + }, + { + "name": "Gait and functional movement", + "steps": [ + { + "label": "Normal gait", + "method": "Walk 20 feet", + "normal": "Smooth, symmetric" + }, + { + "label": "Single-leg stance", + "method": "Stand on one foot 10s each side", + "normal": "Stable without Trendelenburg drop" + }, + { + "label": "Squat", + "method": "Full squat and rise", + "normal": "Full squat without pain or asymmetry" + }, + { + "label": "Hop on one foot", + "method": "5 hops each side", + "normal": "Able and symmetric" + } + ], + "abnormalHints": [ + "Trendelenburg sign (hip abductor weakness)", + "Antalgic gait", + "Asymmetric squat", + "Pain with hop" + ] + } + ] + }, + "neuro": { + "overview": "Adult-pattern six-component exam: mental status, CN, motor, reflexes, sensory, coordination/gait.", + "components": [ + { + "name": "Mental status", + "steps": [ + { + "label": "Orientation", + "method": "Name, age, school, city, day of week", + "normal": "Oriented x 4" + }, + { + "label": "Attention", + "method": "Count backward from 20; days of week backward", + "normal": "Intact" + }, + { + "label": "3-item recall", + "method": "Ball-flag-tree; ask at 3 and 5 min", + "normal": "3/3 recall at 5 min" + }, + { + "label": "Language", + "method": "Name common objects; repeat a sentence", + "normal": "Fluent, no paraphasia" + } + ], + "abnormalHints": [ + "Inattention (ADHD features)", + "Memory deficits", + "Word-finding difficulty", + "Perseveration" + ] + }, + { + "name": "Cranial nerves (II–XII)", + "steps": [ + { + "label": "CN II — acuity", + "method": "Snellen at 20ft each eye with corrective lenses if worn", + "normal": "20/20 or baseline" + }, + { + "label": "CN II — fields", + "method": "Confrontation, 4 quadrants each eye", + "normal": "Full fields" + }, + { + "label": "CN II — fundoscopy (if indicated)", + "method": "Direct ophthalmoscopy — disc, vessels, macula", + "normal": "Sharp disc, normal cup-disc ratio, no papilledema" + }, + { + "label": "CN II, III — pupils", + "method": "Direct and consensual light, accommodation", + "normal": "PERRLA" + }, + { + "label": "CN III, IV, VI — EOM", + "method": "Follow finger in H pattern; convergence", + "normal": "Full EOM, no nystagmus, convergence intact" + }, + { + "label": "CN V — sensation", + "method": "Light touch V1 (forehead), V2 (cheek), V3 (jaw) each side", + "normal": "Intact, symmetric" + }, + { + "label": "CN V — motor", + "method": "Clench teeth, palpate masseter/temporalis; jaw opening", + "normal": "Symmetric strength" + }, + { + "label": "CN VII", + "method": "Raise eyebrows, close eyes tight, smile/show teeth, puff cheeks", + "normal": "Symmetric movement, all regions" + }, + { + "label": "CN VIII", + "method": "Finger rub each ear; Weber/Rinne if deficit", + "normal": "Hears bilaterally" + }, + { + "label": "CN IX, X", + "method": "Palate elevation with \"ahh\"; uvula midline; voice quality", + "normal": "Symmetric elevation, uvula midline, normal voice" + }, + { + "label": "CN XI", + "method": "Shrug shoulders against resistance; head turn against resistance", + "normal": "5/5 SCM and trapezius" + }, + { + "label": "CN XII", + "method": "Stick tongue out; side-to-side", + "normal": "Midline, no atrophy or fasciculations" + } + ], + "abnormalHints": [ + "Papilledema (increased ICP)", + "Focal cranial nerve deficit — any warrants workup", + "Tongue fasciculations (LMN/MND)" + ] + }, + { + "name": "Motor — bulk, tone, strength", + "steps": [ + { + "label": "Bulk inspection", + "method": "Shoulders, thighs, calves, intrinsic hand muscles", + "normal": "Symmetric, no atrophy" + }, + { + "label": "Tone", + "method": "Passive range at elbows, wrists, knees, ankles", + "normal": "Normal resistance throughout" + }, + { + "label": "Strength — deltoids", + "method": "Shoulder abduction against resistance", + "normal": "5/5 bilaterally" + }, + { + "label": "Strength — biceps", + "method": "Elbow flexion against resistance", + "normal": "5/5" + }, + { + "label": "Strength — triceps", + "method": "Elbow extension against resistance", + "normal": "5/5" + }, + { + "label": "Strength — grip", + "method": "Squeeze 2 fingers", + "normal": "5/5 symmetric" + }, + { + "label": "Strength — finger abduction", + "method": "Spread fingers against resistance", + "normal": "5/5" + }, + { + "label": "Strength — hip flexion", + "method": "Lift leg supine against resistance", + "normal": "5/5" + }, + { + "label": "Strength — knee extension", + "method": "Straighten knee against resistance", + "normal": "5/5" + }, + { + "label": "Strength — dorsiflexion", + "method": "Pull toes up against resistance", + "normal": "5/5" + }, + { + "label": "Strength — plantarflexion", + "method": "Push foot down against resistance", + "normal": "5/5" + } + ], + "abnormalHints": [ + "Focal weakness (localize)", + "Spasticity (UMN)", + "Atrophy", + "Fasciculations" + ] + }, + { + "name": "Deep tendon reflexes", + "steps": [ + { + "label": "Biceps (C5-C6)", + "method": "Thumb on tendon, strike", + "normal": "2+ symmetric" + }, + { + "label": "Triceps (C7-C8)", + "method": "Strike triceps tendon", + "normal": "2+ symmetric" + }, + { + "label": "Brachioradialis (C5-C6)", + "method": "Strike distal radius", + "normal": "2+ symmetric" + }, + { + "label": "Patellar (L3-L4)", + "method": "Knees hanging, strike tendon", + "normal": "2+ symmetric" + }, + { + "label": "Achilles (S1)", + "method": "Slight dorsiflexion, strike tendon", + "normal": "2+ symmetric" + }, + { + "label": "Plantar response", + "method": "Stroke lateral sole heel-to-toes", + "normal": "Down-going bilaterally" + }, + { + "label": "Clonus", + "method": "Rapid dorsiflexion at ankle", + "normal": "No sustained clonus" + } + ], + "abnormalHints": [ + "Hyperreflexia with clonus (UMN: stroke, MS, cord lesion)", + "Hyporeflexia (LMN, neuropathy, myopathy)", + "Asymmetry", + "Up-going Babinski", + "Sustained clonus" + ] + }, + { + "name": "Sensory", + "steps": [ + { + "label": "Light touch — upper", + "method": "Cotton wisp dorsum of hands, eyes closed", + "normal": "Intact, symmetric" + }, + { + "label": "Light touch — lower", + "method": "Same on dorsum of feet", + "normal": "Intact, symmetric" + }, + { + "label": "Pain — upper", + "method": "Broken Q-tip or pin on hands", + "normal": "Intact, symmetric" + }, + { + "label": "Pain — lower", + "method": "Same on feet", + "normal": "Intact, symmetric" + }, + { + "label": "Vibration", + "method": "128 Hz tuning fork at distal IP joint of great toes", + "normal": "Feels vibration; counts down seconds" + }, + { + "label": "Proprioception", + "method": "Move great toe up/down with eyes closed", + "normal": "Identifies direction correctly" + } + ], + "abnormalHints": [ + "Dermatomal loss (nerve root)", + "Stocking-glove (neuropathy)", + "Loss of vibration/proprioception (dorsal column — B12, tabes, MS)" + ] + }, + { + "name": "Coordination", + "steps": [ + { + "label": "Finger-nose-finger", + "method": "Touch examiner finger then own nose, examiner moves target", + "normal": "Smooth, accurate, no dysmetria" + }, + { + "label": "Heel-to-shin", + "method": "Supine: heel down opposite shin", + "normal": "Smooth, on-target" + }, + { + "label": "Rapid alternating movements", + "method": "Supinate/pronate hand on knee rapidly", + "normal": "Rhythmic, symmetric" + }, + { + "label": "Fine motor", + "method": "Finger tapping (thumb to each finger in sequence)", + "normal": "Rhythmic, accurate" + } + ], + "abnormalHints": [ + "Dysmetria (past-pointing, overshoot)", + "Intention tremor", + "Dysdiadochokinesia" + ] + }, + { + "name": "Gait and Romberg", + "steps": [ + { + "label": "Normal gait", + "method": "Walk 20 feet", + "normal": "Narrow-based, smooth, reciprocal arm swing" + }, + { + "label": "Heel walk", + "method": "Walk on heels", + "normal": "Able without difficulty" + }, + { + "label": "Toe walk", + "method": "Walk on toes", + "normal": "Able without difficulty" + }, + { + "label": "Tandem", + "method": "Heel-to-toe along a line", + "normal": "Minimal deviation, 10+ steps" + }, + { + "label": "Romberg", + "method": "Feet together, eyes closed, 30s", + "normal": "Stable without fall or significant sway" + } + ], + "abnormalHints": [ + "Wide-based (cerebellar)", + "Steppage (peripheral neuropathy)", + "Scissoring (UMN)", + "Romberg positive (dorsal column)", + "Circumduction" + ] + } + ] + }, + "resp": { + "overview": "Nearly adult-pattern. Exam the same as adolescent with slightly more flexibility in cooperation. RR ≤ 30 in younger school-age, ≤ 20 in older. Sports history relevant (exercise-induced asthma).", + "components": [ + { + "name": "Inspection", + "steps": [ + { + "label": "Respiratory rate", + "method": "Count over 60 s.", + "normal": "≤ 30 (6–11 y)" + }, + { + "label": "Work of breathing", + "method": "Retractions, accessory muscles.", + "normal": "Effortless" + }, + { + "label": "Audible sounds", + "method": "Listen for wheeze, stridor.", + "normal": "Quiet" + }, + { + "label": "Chest shape", + "method": "Barrel chest, pectus deformities.", + "normal": "Normal shape" + }, + { + "label": "Clubbing", + "method": "Schamroth window test.", + "normal": "No clubbing" + } + ], + "abnormalHints": [ + "Clubbing — CF, chronic hypoxemia, bronchiectasis", + "Barrel chest — chronic asthma, CF" + ] + }, + { + "name": "Palpation and percussion", + "steps": [ + { + "label": "Tracheal position", + "method": "Middle finger in suprasternal notch.", + "normal": "Midline" + }, + { + "label": "Chest expansion", + "method": "Hands laterally, thumbs meeting at spine. Deep breath.", + "normal": "Symmetric 3–5 cm" + }, + { + "label": "Tactile fremitus", + "method": "Ulnar side of hand; \"ninety-nine\". Compare sides.", + "normal": "Symmetric" + }, + { + "label": "Percussion", + "method": "Pleximeter + plexor technique. Compare sides.", + "normal": "Resonant throughout" + } + ], + "abnormalHints": [ + "Deviated trachea — pneumothorax, effusion, collapse", + "Dull percussion — consolidation, effusion", + "Hyper-resonant — pneumothorax, hyperinflation" + ] + }, + { + "name": "Auscultation", + "steps": [ + { + "label": "Systematic zones", + "method": "Six anterior + four lateral + six posterior zones, compare side-to-side.", + "normal": "Symmetric vesicular sounds" + }, + { + "label": "Adventitious sounds", + "method": "Wheeze, crackles, rhonchi, rub, stridor at neck. Use sounds library for reference.", + "normal": "No added sounds" + }, + { + "label": "Cough re-listen", + "method": "Secretions (rhonchi, coarse crackles) should clear; fibrosis crackles do not.", + "normal": "Secretion-based sounds clear with cough" + } + ], + "abnormalHints": [ + "Focal crackles + fever — pneumonia", + "Diffuse fine crackles — early interstitial disease", + "Expiratory wheeze — asthma / RAD" + ] + } + ] + }, + "cv": { + "overview": "Nearly adult-pattern. Sports participation screening is a key indication in this age. HOCM screening (family history of sudden cardiac death, exertional syncope, murmur louder with Valsalva) is specifically relevant.", + "components": [ + { + "name": "Inspection and palpation", + "pearl": "For sports participation exams, always ask about exertional symptoms (syncope, chest pain, unexpected fatigue) AND family history of sudden cardiac death before age 50. Screening exam alone catches only ~3% of HOCM.", + "steps": [ + { + "label": "General and growth", + "method": "Track on growth curve; review activity tolerance.", + "normal": "Normal growth, age-appropriate activity" + }, + { + "label": "Colour and clubbing", + "method": "Inspect mucous membranes and nail beds.", + "normal": "Pink, no clubbing" + }, + { + "label": "Apex beat", + "method": "Palpate at 5th ICS mid-clavicular line.", + "normal": "Normal position, tapping character" + }, + { + "label": "Peripheral pulses", + "method": "Simultaneous brachial + femoral.", + "normal": "Symmetric, no delay" + }, + { + "label": "Blood pressure", + "method": "Measure BP with appropriately sized cuff. If elevated, check both arms and one leg.", + "normal": "Age-appropriate (< 120/80 roughly by 10+ years)" + } + ], + "abnormalHints": [ + "Exertional syncope — HOCM, arrhythmia, LQTS", + "BP differential — coarctation", + "Displaced apex — cardiomegaly" + ] + }, + { + "name": "Auscultation", + "steps": [ + { + "label": "All 5 classic points", + "method": "See APTM diagram. A → P → E → T → M with diaphragm and bell.", + "normal": "S1, S2 clear with physiologic split at P, no added sounds" + }, + { + "label": "Grade any murmur", + "method": "Levine 1–6 (see scales above); characterise timing, location, radiation.", + "normal": "No murmur, or innocent flow murmur meeting all 7 S criteria" + }, + { + "label": "Innocent vs pathologic", + "method": "Apply 7 S criteria; compare to innocent-murmur panel.", + "normal": "Innocent murmur (if present) clearly fits all 7 S features" + }, + { + "label": "Dynamic maneuvers", + "method": "Standing: HOCM louder; most others soften. Valsalva: HOCM louder.", + "normal": "Murmur (if any) softens on standing and Valsalva" + } + ], + "abnormalHints": [ + "Murmur louder with Valsalva / standing — HOCM (sports disqualification considerations)", + "Any diastolic murmur", + "Murmur ≥ grade 3, radiating, or with thrill" + ] + } + ] + } + }, + "adolescent": { + "label": "Adolescent (12–21 years)", + "msk": { + "overview": "Sports-related injuries, adolescent scoliosis, apophyseal overuse, hypermobility screening.", + "components": [ + { + "name": "Scoliosis screen", + "steps": [ + { + "label": "Standing inspection", + "method": "Patient undressed to waist (keep privacy); compare shoulders, iliac crests, scapular heights", + "normal": "Symmetric shoulders and pelvis" + }, + { + "label": "Forward bend (Adam)", + "method": "Feet together, bend forward, arms hanging palms together", + "normal": "Symmetric paraspinal contour" + }, + { + "label": "Scoliometer", + "method": "Place across thoracic and lumbar regions at maximum prominence", + "normal": "ATR <5°; 5–6° monitor; ≥7° refer" + }, + { + "label": "Plumb line check", + "method": "Drop plumb from C7; note where it falls", + "normal": "Passes through gluteal cleft (compensated)" + }, + { + "label": "Leg lengths", + "method": "Supine; ASIS to medial malleolus each side", + "normal": "Within 1cm" + } + ], + "abnormalHints": [ + "Rib/lumbar hump", + "ATR ≥7°", + "Decompensation (plumb off gluteal cleft)", + "Leg-length discrepancy driving apparent curve" + ] + }, + { + "name": "Back pain evaluation (if complaint)", + "steps": [ + { + "label": "Inspect and palpate", + "method": "Spinous processes, paraspinal muscles, SI joints", + "normal": "Non-tender" + }, + { + "label": "Range of motion", + "method": "Flex, extend, lateral bend, rotate", + "normal": "Full painless range" + }, + { + "label": "Single-leg hyperextension (stork)", + "method": "Stand on one foot, extend back — each side", + "normal": "No pain (negative for spondylolysis)" + }, + { + "label": "Straight-leg raise", + "method": "Supine, lift straight leg to 70°+", + "normal": "No radicular pain to 70°" + }, + { + "label": "SI joint tests", + "method": "FABER, SI compression", + "normal": "No pain" + } + ], + "abnormalHints": [ + "Spondylolysis (positive stork test)", + "Radicular pain (disc herniation)", + "SI joint pathology", + "Inflammatory back pain pattern" + ] + }, + { + "name": "Joint stability — sports-specific", + "steps": [ + { + "label": "Knee — Lachman", + "method": "Knee 20° flexion, stabilize femur, pull tibia anteriorly", + "normal": "Firm endpoint, no laxity (ACL intact)" + }, + { + "label": "Knee — anterior drawer", + "method": "Knee 90°, pull tibia forward", + "normal": "No excess anterior translation" + }, + { + "label": "Knee — varus/valgus stress", + "method": "Stress at 0 and 30° flexion", + "normal": "No gap opening (LCL/MCL intact)" + }, + { + "label": "Knee — McMurray", + "method": "Flex, rotate tibia while extending", + "normal": "No pain or click" + }, + { + "label": "Shoulder — apprehension", + "method": "Abduct and externally rotate", + "normal": "No apprehension" + }, + { + "label": "Shoulder — Neer/Hawkins", + "method": "Passive flexion with internal rotation", + "normal": "No pain" + }, + { + "label": "Ankle — anterior drawer", + "method": "Pull heel forward with tibia stabilized", + "normal": "No laxity" + }, + { + "label": "Ankle — talar tilt", + "method": "Invert heel with tibia stabilized", + "normal": "No excess tilt" + } + ], + "abnormalHints": [ + "ACL/PCL tear", + "MCL/LCL laxity", + "Meniscal injury", + "Shoulder instability/impingement", + "Ankle ligament laxity" + ] + }, + { + "name": "Apophysitis and overuse screen", + "steps": [ + { + "label": "Tibial tubercle", + "method": "Palpate with knee flexed", + "normal": "Non-tender" + }, + { + "label": "Calcaneal apophysis", + "method": "Palpate posterior calcaneus", + "normal": "Non-tender" + }, + { + "label": "Iliac apophyses", + "method": "Palpate ASIS, AIIS, iliac crest", + "normal": "Non-tender" + }, + { + "label": "Rotator cuff", + "method": "Empty-can (Jobe) test", + "normal": "No pain or weakness" + } + ], + "abnormalHints": [ + "Osgood-Schlatter (tibial tubercle tender)", + "Sever (calcaneal tender)", + "Iliac apophysitis", + "Rotator cuff tendinopathy" + ] + }, + { + "name": "Hypermobility screen (Beighton)", + "steps": [ + { + "label": "Fifth finger extension", + "method": "Passive extension of fifth MCP to >90°", + "normal": "No hyperextension (1 pt each side if positive)" + }, + { + "label": "Thumb to forearm", + "method": "Passive flexion of thumb to touch forearm", + "normal": "Does not reach (1 pt each side if positive)" + }, + { + "label": "Elbow hyperextension", + "method": "Hyperextension >10°", + "normal": "No hyperextension (1 pt each side if positive)" + }, + { + "label": "Knee hyperextension", + "method": "Hyperextension >10°", + "normal": "No hyperextension (1 pt each side if positive)" + }, + { + "label": "Palms to floor", + "method": "Feet together, bend forward, palms flat on floor with knees straight", + "normal": "Cannot reach (1 pt if positive)" + } + ], + "abnormalHints": [ + "Beighton ≥5/9 suggests hypermobility spectrum (hEDS workup if with other features)" + ] + }, + { + "name": "Alignment and gait", + "steps": [ + { + "label": "Standing alignment", + "method": "View knees, feet", + "normal": "Neutral alignment, medial arch" + }, + { + "label": "Normal gait", + "method": "Walk 20 feet", + "normal": "Symmetric, smooth" + }, + { + "label": "Functional movements", + "method": "Squat, single-leg stance, hop", + "normal": "Full symmetric function" + } + ], + "abnormalHints": [ + "Antalgic gait", + "Trendelenburg", + "Asymmetric squat" + ] + } + ] + }, + "neuro": { + "overview": "Full adult-pattern neuro exam across six pillars: mental status, cranial nerves, motor, reflexes, sensory, coordination/gait. In adolescents, screen concussion sequelae if sports-active; frontal release signs must be absent.", + "components": [ + { + "name": "Mental status", + "significance": "Detects cognitive change (concussion, substance use, mood disorder, rare neurodegenerative disease).", + "pearl": "Attention precedes memory. A patient who can't attend (serial 7s, months backward) will fail memory even with intact hippocampus — distinguish before calling it a memory problem.", + "steps": [ + { + "label": "Orientation", + "method": "Name, age, date, location, situation", + "normal": "Oriented x 4" + }, + { + "label": "Attention", + "method": "Count backward from 100 by 7s (serial 7s) or months of year backward", + "normal": "Intact" + }, + { + "label": "Short-term memory", + "method": "3-item registration and recall at 5 min", + "normal": "3/3 recall" + }, + { + "label": "Language", + "method": "Object naming; sentence repetition; reading; writing", + "normal": "Fluent, no paraphasia, comprehends written and spoken" + }, + { + "label": "Executive function", + "method": "Similarities (apple/orange); interpret proverb", + "normal": "Abstract, age-appropriate" + } + ], + "abnormalHints": [ + "Post-concussion cognitive changes", + "Mood or personality changes", + "Subtle executive dysfunction", + "Word-finding difficulty" + ] + }, + { + "name": "Cranial nerves (II–XII, full formal exam)", + "significance": "Localises brainstem, base-of-skull, and specific nerve pathology. Subtle deficits (RAPD, mild facial weakness, Horner) are easily missed — exam discipline matters.", + "pearl": "The fastest screen for a CN deficit is asking the patient to speak, smile, look around, and swallow water. What's preserved in everyday function tells you what's likely intact — then examine formally to confirm and to catch the subtle.", + "steps": [ + { + "label": "CN I (if indicated)", + "method": "Coffee or cinnamon each nostril separately", + "normal": "Identifies both" + }, + { + "label": "CN II — acuity", + "method": "Snellen at 20ft each eye; corrective lenses if worn", + "normal": "20/20 or baseline" + }, + { + "label": "CN II — fields", + "method": "Confrontation, 4 quadrants each eye", + "normal": "Full fields" + }, + { + "label": "CN II — fundoscopy", + "method": "Direct ophthalmoscopy — disc, vessels, macula", + "normal": "Sharp disc, normal cup/disc, no papilledema" + }, + { + "label": "CN II, III — pupils", + "method": "Direct, consensual, swinging flashlight, accommodation", + "normal": "PERRLA, no RAPD" + }, + { + "label": "CN III, IV, VI — EOM", + "method": "H pattern, convergence, note nystagmus or ptosis", + "normal": "Full conjugate movement, no nystagmus, convergence intact" + }, + { + "label": "CN V — sensation", + "method": "Light touch V1, V2, V3 each side", + "normal": "Intact, symmetric" + }, + { + "label": "CN V — motor", + "method": "Clench jaw, palpate masseter/temporalis; lateral jaw movement", + "normal": "Symmetric strength and bulk" + }, + { + "label": "CN V — corneal reflex (if indicated)", + "method": "Cotton wisp to cornea", + "normal": "Blinks bilaterally" + }, + { + "label": "CN VII", + "method": "Wrinkle forehead, close eyes against resistance, smile/bare teeth, puff cheeks", + "normal": "Symmetric all four movements" + }, + { + "label": "CN VIII — hearing", + "method": "Finger rub each ear; Weber (midline) + Rinne (air > bone) if deficit", + "normal": "Equal bilaterally" + }, + { + "label": "CN IX, X", + "method": "Palate elevation with \"ahh\"; uvula midline; voice; gag (if indicated)", + "normal": "Symmetric palate, uvula midline, normal voice" + }, + { + "label": "CN XI", + "method": "Shoulder shrug and head turn against resistance", + "normal": "5/5 SCM and trapezius bilaterally" + }, + { + "label": "CN XII", + "method": "Tongue protrusion, side to side; inspect for fasciculations/atrophy", + "normal": "Midline, no atrophy or fasciculations, full movement" + } + ], + "abnormalHints": [ + "Any focal cranial nerve deficit", + "Papilledema", + "RAPD", + "Nystagmus", + "Facial asymmetry", + "Tongue deviation" + ] + }, + { + "name": "Motor — bulk, tone, strength", + "significance": "Localises lesion to UMN vs LMN vs muscle vs junction. Pattern of weakness (proximal vs distal, symmetric vs focal) narrows differential.", + "pearl": "Pronator drift is the most sensitive screen for subtle UMN weakness — a normal-feeling arm that drifts down with eyes closed still has corticospinal tract dysfunction. Always do it even when formal strength is 5/5.", + "steps": [ + { + "label": "Bulk inspection", + "method": "Inspect shoulders, biceps, thighs, calves, dorsal interossei (between metacarpals) of hands.", + "normal": "Symmetric bulk; no atrophy, no pseudohypertrophy" + }, + { + "label": "Tone — upper", + "method": "Passive flex-extend elbow and pronate-supinate wrist at slow then quick speeds. Then pronator drift: arms outstretched, palms up, eyes closed for 10 s.", + "normal": "Smooth passive range; no drift, no pronation of the outstretched hand" + }, + { + "label": "Tone — lower", + "method": "Passive knee flexion-extension; quick ankle dorsiflexion to check for catch. Heel-slap test: roll thigh and watch for ankle swing.", + "normal": "Normal resistance, no catch, symmetric" + }, + { + "label": "Strength — deltoid (C5)", + "method": "Patient abducts both arms to 90°. Examiner pushes down on each arm just above the elbow while patient resists. Compare sides.", + "normal": "Holds against full resistance — MRC 5/5 bilaterally" + }, + { + "label": "Strength — biceps (C5–C6)", + "method": "Elbow flexed 90°, supinated. Examiner grasps wrist and pulls to extend while patient resists.", + "normal": "Holds against full resistance — 5/5" + }, + { + "label": "Strength — triceps (C7)", + "method": "Elbow flexed 90°. Examiner pushes wrist toward shoulder while patient extends against resistance.", + "normal": "Extends against full resistance — 5/5" + }, + { + "label": "Strength — wrist extension (C6–C7)", + "method": "Patient makes fist, extends wrist. Examiner pushes down on knuckles while patient holds wrist up.", + "normal": "Holds against full resistance — 5/5" + }, + { + "label": "Strength — finger flexion / grip (C8)", + "method": "Patient grips two of examiner's crossed fingers as hard as possible. Compare sides.", + "normal": "Strong symmetric grip — 5/5" + }, + { + "label": "Strength — finger abduction (T1)", + "method": "Patient spreads fingers wide. Examiner squeezes index and little fingers together while patient resists.", + "normal": "Holds fingers apart — 5/5" + }, + { + "label": "Strength — hip flexion (L2–L3)", + "method": "Supine. Patient lifts straight leg 30° off table. Examiner pushes down on thigh just above knee while patient resists.", + "normal": "Holds thigh up against full resistance — 5/5" + }, + { + "label": "Strength — knee extension (L3–L4)", + "method": "Sitting, knee 90°. Patient straightens knee while examiner pushes distal shin down.", + "normal": "Extends against full resistance — 5/5" + }, + { + "label": "Strength — ankle dorsiflexion (L4–L5)", + "method": "Patient pulls toes and foot up toward shin. Examiner pushes foot down at the dorsum.", + "normal": "Holds dorsiflexion against full resistance — 5/5; preserved heel-walk" + }, + { + "label": "Strength — great toe extension (L5)", + "method": "Patient extends great toe up while examiner pushes it down with thumb.", + "normal": "Holds against full resistance — 5/5 (classic L5 test)" + }, + { + "label": "Strength — ankle plantarflexion (S1)", + "method": "Patient pushes foot down against examiner's hand at the ball. OR ask patient to toe-walk 10 steps (more sensitive — unilateral plantarflexion weakness shows immediately).", + "normal": "Full power; toe-walks symmetrically — 5/5" + } + ], + "abnormalHints": [ + "Focal weakness → localise by myotome", + "Pronator drift (subtle UMN, always check even with 5/5)", + "Spasticity / catch (UMN)", + "Atrophy (LMN, disuse)", + "Fasciculations (MND, ALS)", + "Pseudohypertrophy of calves (DMD in a young male)" + ] + }, + { + "name": "Deep tendon reflexes", + "significance": "Reflex pattern (increased, decreased, asymmetric) localises UMN vs LMN vs root vs peripheral nerve. Inexpensive and fast, but asymmetry is the most informative finding.", + "pearl": "A reinforced reflex is still a reflex. If you can't elicit it initially, use Jendrassik (teeth clench or pull interlocked fingers apart) to boost — absent reflexes without reinforcement aren't truly absent.", + "steps": [ + { + "label": "Biceps (C5–C6)", + "method": "Patient's arm relaxed across lap. Examiner places thumb firmly on biceps tendon at the cubital fossa, strikes thumb with reflex hammer. Compare both sides sequentially.", + "normal": "2+ symmetric — visible contraction of biceps, slight elbow flexion" + }, + { + "label": "Brachioradialis (C5–C6)", + "method": "Arm relaxed. Strike the distal radius about 3 cm proximal to the wrist, on its radial (thumb) side.", + "normal": "2+ symmetric — elbow flexion and slight forearm supination" + }, + { + "label": "Triceps (C7)", + "method": "Support the patient's arm at the wrist with elbow at 90°. Strike the triceps tendon just above the olecranon.", + "normal": "2+ symmetric — triceps contraction, slight elbow extension" + }, + { + "label": "Finger flexors — Hoffmann sign", + "method": "Grasp the middle finger's distal phalanx, flick it downward quickly and release. Watch the thumb and index finger.", + "normal": "Negative — no thumb flexion, no index flexion (positive = corticospinal tract dysfunction)" + }, + { + "label": "Patellar (L3–L4)", + "method": "Patient sits with knees hanging freely off the table. Strike the patellar tendon just below the patella.", + "normal": "2+ symmetric — quadriceps contraction with knee extension" + }, + { + "label": "Achilles (S1)", + "method": "Patient's knee slightly flexed and leg externally rotated, or kneeling on a chair. Slightly dorsiflex the foot and strike the Achilles tendon.", + "normal": "2+ symmetric — plantar flexion of the foot" + }, + { + "label": "Plantar response (Babinski)", + "method": "Stroke the lateral aspect of the sole firmly from the heel toward the little toe, then curve across the ball of the foot.", + "normal": "Toes flex downward (plantar flexion, \"down-going\") bilaterally in anyone ≥ 2 years" + }, + { + "label": "Ankle clonus", + "method": "Knee slightly bent. Support the shin with one hand, quickly and sharply dorsiflex the foot with the other, hold in dorsiflexion.", + "normal": "≤ 3 non-sustained beats is acceptable; sustained rhythmic oscillation = pathological clonus (UMN)" + } + ], + "abnormalHints": [ + "Hyperreflexia + sustained clonus = UMN (MS, myelopathy, cord lesion, stroke)", + "Symmetric hyporeflexia = peripheral polyneuropathy, GBS, myopathy, hypothyroid, B12 deficiency", + "Asymmetric hyporeflexia = radiculopathy at that segment", + "Hoffmann positive = corticospinal tract dysfunction at cervical cord or above", + "Up-going Babinski after age 2 = UMN (always abnormal)" + ] + }, + { + "name": "Sensory", + "steps": [ + { + "label": "Light touch — upper", + "method": "Cotton wisp, dorsum of hands, eyes closed", + "normal": "Intact, symmetric" + }, + { + "label": "Light touch — lower", + "method": "Dorsum of feet", + "normal": "Intact, symmetric" + }, + { + "label": "Pain — upper", + "method": "Broken Q-tip sharp end, hands", + "normal": "Intact, symmetric" + }, + { + "label": "Pain — lower", + "method": "Same on feet", + "normal": "Intact, symmetric" + }, + { + "label": "Temperature (if indicated)", + "method": "Cold tuning fork each area", + "normal": "Intact" + }, + { + "label": "Vibration", + "method": "128 Hz tuning fork at distal IP of great toes; count seconds to fade", + "normal": "Feels vibration; appropriate duration" + }, + { + "label": "Proprioception", + "method": "Move great toe up/down with eyes closed", + "normal": "Identifies direction correctly" + }, + { + "label": "Two-point discrimination (if indicated)", + "method": "Blunt calipers on fingertip", + "normal": "<5mm on fingertip" + }, + { + "label": "Stereognosis (if indicated)", + "method": "Identify coin/key in hand with eyes closed", + "normal": "Correct identification" + } + ], + "abnormalHints": [ + "Dermatomal loss (nerve root)", + "Stocking-glove loss (length-dependent neuropathy)", + "Dorsal column loss (B12, tabes, MS — positive Romberg, vibration loss)", + "Cortical deficit (astereognosis, impaired 2-pt)" + ] + }, + { + "name": "Coordination", + "steps": [ + { + "label": "Finger-nose-finger", + "method": "Alternate examiner's finger and own nose; examiner moves target", + "normal": "Smooth, accurate bilaterally" + }, + { + "label": "Heel-to-shin", + "method": "Supine: heel down opposite shin and back", + "normal": "Smooth, accurate" + }, + { + "label": "Rapid alternating (Dysdiadochokinesis)", + "method": "Supinate/pronate hand rapidly on thigh", + "normal": "Rhythmic, symmetric" + }, + { + "label": "Finger tapping", + "method": "Thumb to each finger in sequence rapidly", + "normal": "Rhythmic, smooth, symmetric" + } + ], + "abnormalHints": [ + "Dysmetria (cerebellar)", + "Intention tremor", + "Dysdiadochokinesia", + "Decomposed movement" + ] + }, + { + "name": "Gait and Romberg", + "steps": [ + { + "label": "Normal gait", + "method": "Walk 20 feet", + "normal": "Narrow-based, smooth, reciprocal arm swing" + }, + { + "label": "Heel walk", + "method": "Walk on heels only", + "normal": "Able without difficulty" + }, + { + "label": "Toe walk", + "method": "Walk on toes only", + "normal": "Able without difficulty" + }, + { + "label": "Tandem", + "method": "Heel-to-toe along a line, 10+ steps", + "normal": "Minimal deviation" + }, + { + "label": "Romberg", + "method": "Feet together, eyes open then closed, 30s", + "normal": "Stable — no significant sway or fall with eyes closed" + }, + { + "label": "Single-leg stance", + "method": "10s each side, eyes open", + "normal": "Stable without drift" + } + ], + "abnormalHints": [ + "Ataxic (wide-based — cerebellar)", + "Steppage (peripheral neuropathy / foot drop)", + "Circumduction (UMN hemiparesis)", + "Scissoring", + "Romberg positive (dorsal column)" + ] + }, + { + "name": "Frontal release / primitive reflexes", + "steps": [ + { + "label": "Grasp reflex", + "method": "Stroke palm", + "normal": "Absent" + }, + { + "label": "Snout reflex", + "method": "Tap upper lip", + "normal": "No lip pucker" + }, + { + "label": "Glabellar tap", + "method": "Tap between eyebrows — should habituate after 3–4 taps", + "normal": "Habituates (no sustained blink)" + }, + { + "label": "Palmomental", + "method": "Stroke thenar eminence", + "normal": "No ipsilateral chin twitch" + } + ], + "abnormalHints": [ + "Presence suggests frontal lobe pathology, neurodegenerative disease, or severe TBI — rare in adolescence but relevant in post-concussion workup" + ] + } + ] + }, + "resp": { + "overview": "Systematic respiratory exam: inspection → palpation → percussion → auscultation → special maneuvers. Always start from observation — rate, pattern, work of breathing, and audible sounds (stridor, grunting) can be diagnostic before the stethoscope touches the chest.", + "components": [ + { + "name": "Inspection — observation before touching", + "significance": "Detects respiratory distress and localises the level of airway compromise before any equipment is used. High yield: RR, WOB, audible sounds, chest shape, colour.", + "pearl": "Audible stridor at rest from across the room = upper-airway obstruction, often urgent. Grunting in an infant = significant distress — never dismiss as fussiness.", + "steps": [ + { + "label": "Respiratory rate", + "method": "Count over a full 60 seconds (not 15×4) — children normally breathe irregularly. Count while the patient is calm, before any interaction.", + "normal": "Within age-appropriate range (see scales card above)" + }, + { + "label": "Respiratory pattern", + "method": "Observe depth, regularity, and inspiration:expiration ratio. Watch for prolonged expiration, paradoxical chest-abdominal movement, or apneas.", + "normal": "Regular, I:E ratio ~1:2, no pauses > 10 s in an infant" + }, + { + "label": "Work of breathing", + "method": "Inspect for nasal flaring, suprasternal/intercostal/subcostal retractions, accessory muscle use (SCM, abdominals), tripod positioning, head-bobbing in infants.", + "normal": "No retractions; breathing effortless" + }, + { + "label": "Audible sounds (no stethoscope)", + "method": "Listen at the bedside without the stethoscope. Grunting? Stridor? Wheezing audible across the room? Hoarse voice?", + "normal": "No audible stridor, grunting, or wheeze" + }, + { + "label": "Chest shape and symmetry", + "method": "Inspect from front and lateral. Note AP-to-transverse diameter, pectus excavatum/carinatum, chest wall asymmetry.", + "normal": "AP:transverse ~1:2 (not barrel-chested); symmetric" + }, + { + "label": "Colour and perfusion", + "method": "Inspect lips, tongue, nail beds for central cyanosis. Check peripheral perfusion (capillary refill, mottling).", + "normal": "Pink, cap refill < 2 s, no cyanosis" + }, + { + "label": "Clubbing", + "method": "Inspect fingernails: Schamroth sign (reverse a finger against its mirror — normal forms a diamond-shaped window, clubbed does not).", + "normal": "Normal nail angle, Schamroth window present" + } + ], + "abnormalHints": [ + "Audible stridor — upper airway (croup, epiglottitis, foreign body, laryngomalacia)", + "Grunting in infant — significant distress", + "Tripod positioning, accessory muscle use — severe distress", + "Barrel chest — chronic air-trapping (asthma, CF)", + "Central cyanosis — significant hypoxemia", + "Clubbing in a child — cystic fibrosis, chronic hypoxemia, bronchiectasis, cyanotic CHD" + ] + }, + { + "name": "Palpation", + "significance": "Localises pathology: consolidation increases tactile fremitus; pneumothorax/effusion decreases it. Trachea deviates AWAY from expanding lesions and TOWARD collapsing ones.", + "pearl": "Tracheal deviation is one of the fastest bedside clues to mediastinal shift — tension pneumothorax pushes it away, lobar collapse pulls it toward. Palpate with the middle finger in the suprasternal notch.", + "steps": [ + { + "label": "Tracheal position", + "method": "Patient sitting upright, neck slightly extended. Place middle finger in the suprasternal notch, check equal distance to each SCM.", + "normal": "Midline" + }, + { + "label": "Chest expansion — symmetry", + "method": "Hands on lateral chest wall with thumbs meeting at the spine (posterior) or xiphoid (anterior). Patient takes a deep breath. Watch thumbs separate symmetrically.", + "normal": "Symmetric 3–5 cm separation" + }, + { + "label": "Tactile fremitus", + "method": "Ulnar surface of hand on chest wall. Ask patient to say \"ninety-nine\" repeatedly. Move hand systematically across each zone, comparing sides.", + "normal": "Equal mild vibration bilaterally over lung fields" + }, + { + "label": "Chest wall tenderness", + "method": "Palpate ribs, costochondral junctions, sternum, and intercostal spaces.", + "normal": "No tenderness" + }, + { + "label": "Subcutaneous emphysema", + "method": "Gentle palpation along clavicles, neck, chest wall.", + "normal": "No crepitus under skin" + } + ], + "abnormalHints": [ + "Tracheal deviation — tension pneumothorax, large pleural effusion (away); upper lobe collapse (toward)", + "Asymmetric expansion — pneumothorax, large effusion, lobar collapse, phrenic palsy", + "Increased fremitus — consolidation (pneumonia), lobar pneumonia", + "Decreased/absent fremitus — pleural effusion, pneumothorax, obstruction", + "Costochondral tenderness — costochondritis, trauma", + "Subcutaneous emphysema — pneumothorax, tracheobronchial injury" + ] + }, + { + "name": "Percussion", + "significance": "Differentiates air (hyper-resonant), fluid (dull), and consolidated lung (dull) without imaging. Well-performed percussion detects a pleural effusion > 300 mL or a pneumothorax with ~90% sensitivity.", + "pearl": "Pleximeter fingertip must be flat against the chest wall — lift other fingers off. The \"feel\" of a percussion note is as informative as the sound: dullness has a dense, reflected quality; hyper-resonance feels hollow and springy.", + "steps": [ + { + "label": "Technique", + "method": "Place middle finger of non-dominant hand (pleximeter) flat on chest wall; strike distal IP joint with tip of dominant middle finger (plexor) using a quick wrist flick.", + "normal": "N/A — technique step" + }, + { + "label": "Systematic zones", + "method": "Percuss from apex to base, comparing side-to-side at each level. Include anterior, lateral (mid-axillary), and posterior fields.", + "normal": "Resonant throughout lung fields" + }, + { + "label": "Cardiac dullness", + "method": "Percuss from resonant lung toward the heart border. Left sternal border dullness starts at the 3rd–5th ICS.", + "normal": "Dullness beginning at the expected cardiac border" + }, + { + "label": "Hepatic dullness", + "method": "Right 5th–6th ICS mid-clavicular line transitions from resonant to dull.", + "normal": "Liver edge dullness at expected level" + }, + { + "label": "Diaphragmatic excursion", + "method": "Patient inhales fully then exhales fully; mark level of dullness at each end. Difference is diaphragm excursion.", + "normal": "3–5 cm excursion bilaterally" + } + ], + "abnormalHints": [ + "Hyper-resonant — pneumothorax, emphysematous bulla, severe asthma attack", + "Dull — consolidation, pleural effusion (stony dull), atelectasis, pleural thickening, large mass", + "Raised diaphragm (loss of excursion) — effusion, paralysis, subdiaphragmatic pathology" + ] + }, + { + "name": "Auscultation — normal breath sounds", + "significance": "Breath sound quality varies by location. Bronchial sounds heard peripherally = consolidation; absent breath sounds = pneumothorax, effusion, obstruction.", + "pearl": "Always compare corresponding points side-to-side sequentially — your ear calibrates to \"normal\" one side and immediately hears asymmetry. Listen through a full respiratory cycle at each zone.", + "steps": [ + { + "label": "Technique", + "method": "Diaphragm of stethoscope directly on skin (not over clothing). Patient breathes slowly and deeply through an open mouth.", + "normal": "N/A — technique" + }, + { + "label": "Vesicular sounds (peripheral)", + "method": "Listen over lung fields away from the sternum. Play the \"Normal vesicular\" sample above for reference.", + "normal": "Soft, low-pitched, inspiration > expiration in length and loudness" + }, + { + "label": "Bronchovesicular (over main bronchi)", + "method": "Listen at the 1st–2nd ICS anteriorly and between scapulae posteriorly.", + "normal": "Intermediate pitch, inspiration = expiration" + }, + { + "label": "Bronchial (over trachea)", + "method": "Listen directly over the manubrium or trachea.", + "normal": "Harsh, high-pitched, expiration > inspiration" + }, + { + "label": "Systematic comparison", + "method": "Six zones anteriorly (upper/mid/lower × L/R), four lateral, six posterior. Compare side-to-side at each zone.", + "normal": "Symmetric breath sounds at every paired zone" + } + ], + "abnormalHints": [ + "Bronchial sounds heard peripherally — consolidation (pneumonia)", + "Absent/diminished breath sounds — pneumothorax, effusion, severe obstruction, obesity / muscular chest", + "Prolonged expiration — lower airway obstruction (asthma, bronchiolitis)" + ] + }, + { + "name": "Auscultation — adventitious sounds", + "significance": "Adventitious (added) sounds are the key diagnostic finding. Timing (inspiratory vs expiratory vs biphasic), character (continuous vs discontinuous), and location are all informative.", + "pearl": "Ask the patient to cough and re-listen. Secretions (rhonchi, some coarse crackles) clear or change; fine crackles of fibrosis or early pneumonia do not. The cough test separates two differential groups in one maneuver.", + "steps": [ + { + "label": "Listen for wheeze", + "method": "Continuous musical sounds, typically expiratory. Use the \"Wheeze\" sample for reference.", + "normal": "No wheeze" + }, + { + "label": "Listen for crackles — fine", + "method": "Short, high-pitched, discontinuous \"Velcro\" sounds. Typically end-inspiratory, bibasilar. Use the \"Fine crackles\" sample.", + "normal": "No crackles" + }, + { + "label": "Listen for crackles — coarse", + "method": "Longer, lower-pitched, louder than fine. Use the \"Coarse crackles\" sample.", + "normal": "No crackles" + }, + { + "label": "Listen for rhonchi", + "method": "Low-pitched, continuous, snore-like. Often change with cough. Use the \"Rhonchi\" sample.", + "normal": "No rhonchi" + }, + { + "label": "Listen for pleural rub", + "method": "Grating, creaky, biphasic, does NOT clear with cough. Use the \"Pleural rub\" sample.", + "normal": "No pleural rub" + }, + { + "label": "Listen at the neck (for stridor)", + "method": "Place stethoscope over the anterior neck. Stridor is loudest here and differentiates from wheeze (loudest over chest). Use the \"Stridor\" sample.", + "normal": "No stridor" + }, + { + "label": "Listen for expiratory grunting (infants)", + "method": "Often audible without a stethoscope at the bedside — short, low-pitched sound at the end of each expiration (glottal closure against exhaled air).", + "normal": "No grunting" + }, + { + "label": "Cough re-listen", + "method": "Have patient cough forcefully; re-listen to any abnormal area. Note if the sound clears or changes.", + "normal": "Any secretion-based sound should clear or change with cough" + } + ], + "abnormalHints": [ + "Wheeze — asthma, bronchiolitis, foreign body (localised), anaphylaxis", + "Fine crackles — pulmonary edema, interstitial lung disease, early pneumonia", + "Coarse crackles — bronchitis, pneumonia, bronchiectasis, aspiration", + "Rhonchi — large-airway secretions", + "Pleural rub — pleurisy, PE, pneumonia with pleural involvement", + "Stridor — upper airway obstruction (croup, epiglottitis, FB)" + ] + }, + { + "name": "Special maneuvers — transmitted voice sounds", + "significance": "Vocal resonance tests detect consolidation (increased transmission) and effusion/pneumothorax (decreased). Useful when auscultation suggests asymmetry.", + "pearl": "Whispered pectoriloquy is the most sensitive of the three — whispered words transmitted clearly through consolidated lung. If \"one, two, three\" whispered becomes clearly audible over one lung zone, there is consolidation underneath.", + "steps": [ + { + "label": "Bronchophony", + "method": "Patient says \"ninety-nine\" in normal voice. Listen at each lung zone with the stethoscope.", + "normal": "Muffled, indistinct sound" + }, + { + "label": "Egophony", + "method": "Patient says \"ee\" continuously. Listen over any suspicious area.", + "normal": "\"Ee\" sounds like \"ee\" (no change)" + }, + { + "label": "Whispered pectoriloquy", + "method": "Patient whispers \"one, two, three\" or \"ninety-nine\". Listen over each zone.", + "normal": "Whisper is faint and indistinct" + } + ], + "abnormalHints": [ + "Bronchophony increased — consolidation", + "Egophony positive (\"ee\" → \"A\" / \"ay\") — consolidation, sometimes top of an effusion", + "Whispered pectoriloquy positive (whisper clearly audible) — consolidation" + ] + } + ] + }, + "cv": { + "overview": "Systematic cardiovascular exam: inspection → palpation → auscultation at the five classic points → peripheral vascular exam. Always palpate the apex BEFORE auscultating — knowing where the apex lies tells you where to put the stethoscope and flags cardiomegaly immediately.", + "components": [ + { + "name": "Inspection", + "significance": "Detects obvious precordial activity, chest-wall signs of congenital heart disease, and systemic markers (cyanosis, clubbing, dysmorphic features).", + "pearl": "Clubbing + central cyanosis in a well-appearing adolescent = cyanotic congenital heart disease until proven otherwise. Inspect the fingernails before reaching for the stethoscope.", + "steps": [ + { + "label": "General appearance", + "method": "Observe body habitus, features suggesting syndromic CHD (Turner, Down, Marfan, Williams).", + "normal": "No dysmorphic features, appropriate growth" + }, + { + "label": "Central cyanosis", + "method": "Inspect lips, tongue, and oral mucosa for bluish discoloration.", + "normal": "Pink oral mucosa, no cyanosis" + }, + { + "label": "Peripheral cyanosis / clubbing", + "method": "Inspect nail beds; do Schamroth's window (oppose nails of 4th fingers — normally forms a diamond-shaped window).", + "normal": "Pink nail beds, Schamroth window present" + }, + { + "label": "Precordial bulge", + "method": "Inspect anterior chest wall tangentially for asymmetric prominence over the heart.", + "normal": "Symmetric chest, no bulge" + }, + { + "label": "Visible apex beat", + "method": "Inspect for a visible cardiac impulse at the 5th ICS mid-clavicular line.", + "normal": "Apex may be visible in thin patients; should not be displaced" + }, + { + "label": "Neck veins (JVP)", + "method": "Patient reclined 45°, head turned slightly left. Observe the right internal jugular pulsation; measure vertical height above the sternal angle.", + "normal": "≤ 4 cm above sternal angle (≤ 9 cm H₂O from right atrium)" + } + ], + "abnormalHints": [ + "Central cyanosis — right-to-left shunt, severe hypoxemia", + "Clubbing — cyanotic CHD, chronic hypoxemia", + "Precordial bulge — long-standing cardiomegaly (grew during skeletal growth)", + "Visible apex displaced lateral/inferior — cardiomegaly", + "Elevated JVP — right-heart failure, fluid overload, cardiac tamponade" + ] + }, + { + "name": "Palpation", + "significance": "Localises the apex (confirms cardiac size), detects thrills (loud murmurs), and identifies a parasternal heave (RV hypertrophy).", + "pearl": "If you feel a thrill, the murmur is at least grade 4/6 — grade your murmur as ≥4 even if it sounds less impressive. Thrill = loud, palpable turbulence.", + "steps": [ + { + "label": "Apex beat — localise", + "method": "Feel with the tips of the fingers at the 5th ICS mid-clavicular line. If not found, roll the patient to the left lateral decubitus position.", + "normal": "Located at 5th ICS, mid-clavicular line, less than 2 cm in diameter" + }, + { + "label": "Apex character", + "method": "Describe: tapping (normal), heaving (pressure overload, e.g. AS/HTN), thrusting (volume overload, e.g. AR/MR), dyskinetic (MI/aneurysm).", + "normal": "Brief tapping quality" + }, + { + "label": "Parasternal heave", + "method": "Place the heel of the hand along the left sternal border. Sustained outward movement with each systole = heave.", + "normal": "No heave" + }, + { + "label": "Thrills", + "method": "Use the palmar aspect of the hand at each of the 5 auscultation areas (A, P, E, T, M). A thrill = palpable turbulence.", + "normal": "No thrills" + }, + { + "label": "Peripheral pulses — upper", + "method": "Palpate radial pulses bilaterally, then brachial. Note rate, rhythm, volume, and symmetry.", + "normal": "Symmetric 2+ pulses, regular rhythm, age-appropriate rate" + }, + { + "label": "Peripheral pulses — lower", + "method": "Palpate femoral pulses. Compare to brachial — radio-femoral or brachio-femoral delay suggests coarctation of the aorta.", + "normal": "Femoral pulses 2+ symmetric, no delay relative to radial" + } + ], + "abnormalHints": [ + "Apex displaced laterally/inferiorly — cardiomegaly", + "Heaving apex — pressure overload (AS, HTN)", + "Thrusting apex — volume overload (AR, MR)", + "Thrill over precordium — always pathological; at least grade 4/6 murmur", + "Parasternal heave — RV hypertrophy (pulmonary HTN, pulmonary stenosis, VSD with Eisenmenger)", + "Radio-femoral delay — coarctation of the aorta (always check in a hypertensive adolescent)" + ] + }, + { + "name": "Auscultation — approach", + "significance": "Systematic technique ensures every relevant finding is detected. Listen at all 5 points, with both diaphragm and bell, in supine/sitting/left-lateral positions as needed.", + "pearl": "Time every murmur by simultaneously palpating the carotid pulse with the fingers of your free hand. Pulse = systole. Murmur heard during the pulse = systolic; in between pulses = diastolic.", + "steps": [ + { + "label": "Positioning", + "method": "Patient supine, head of bed at 30°. Exam room quiet, patient relaxed. Warm the stethoscope first.", + "normal": "N/A — technique" + }, + { + "label": "Diaphragm technique", + "method": "Firm contact with skin. Detects HIGH-pitched sounds: S1, S2, systolic ejection murmurs, AR, MR.", + "normal": "N/A — technique" + }, + { + "label": "Bell technique", + "method": "Very light contact — enough to make a seal but not stretch the skin. Detects LOW-pitched sounds: S3, S4, mitral stenosis rumble.", + "normal": "N/A — technique" + }, + { + "label": "Listen at each of the 5 points", + "method": "A → P → E → T → M in order, each with diaphragm then bell. Spend a full cycle at each zone.", + "normal": "S1 crisp, S2 clear (splits physiologically on inspiration at P), no added sounds, no murmur" + }, + { + "label": "Left lateral decubitus position", + "method": "If apex murmur suspected. Roll patient to left side. Listen at the apex with the BELL for mitral stenosis rumble or S3/S4.", + "normal": "No added sounds, no diastolic rumble" + }, + { + "label": "Sitting forward, held expiration", + "method": "Patient leans forward, exhales fully, holds. Listen at left lower sternal border and Erb's point with the DIAPHRAGM for aortic regurgitation (soft early diastolic decrescendo).", + "normal": "No early-diastolic murmur" + } + ], + "abnormalHints": [ + "Fixed split S2 (no change with respiration) — ASD", + "Loud S2 at pulmonic area — pulmonary HTN", + "S3 — volume overload, CHF (can be normal in young athletes)", + "S4 — stiff ventricle (HTN, HCM, ischemia)", + "Audible opening snap — mitral stenosis (rare in children)" + ] + }, + { + "name": "Auscultation — heart sounds and murmurs", + "significance": "Characterising a murmur by timing, location, radiation, pitch, quality, and dynamic maneuvers narrows the differential.", + "pearl": "Innocent murmurs in children share 7 \"S\" features: Soft (≤ grade 2), Systolic, Short, Single (no added S3/S4), Small (localised, non-radiating), Sweet (musical), Sensitive to position/respiration (louder supine, softer standing). Anything breaking this pattern deserves workup.", + "steps": [ + { + "label": "S1", + "method": "Listen at the apex (mitral). Coincides with the carotid pulse upstroke. Mitral + tricuspid closure.", + "normal": "Single, crisp, single-component sound" + }, + { + "label": "S2", + "method": "Listen at the pulmonic area in HELD INSPIRATION and HELD EXPIRATION. Note whether S2 splits physiologically (wider in inspiration, narrower/absent in expiration).", + "normal": "Physiologic split (widens on inspiration, narrows on expiration)" + }, + { + "label": "S3 / S4 gallops", + "method": "Bell at the apex in left lateral decubitus. S3 = early diastole (after S2), low-pitched. S4 = late diastole (just before S1).", + "normal": "Absent in adults; S3 can be normal in young athletes under age 30" + }, + { + "label": "Identify murmur — timing", + "method": "Time vs carotid pulse. Systolic (during pulse) vs diastolic (between pulses) vs continuous.", + "normal": "No murmur, or only soft innocent flow murmur" + }, + { + "label": "Identify murmur — location + radiation", + "method": "Where loudest? Does it radiate? AS → carotids. MR → axilla. Coarctation → back.", + "normal": "N/A — characterise only if murmur present" + }, + { + "label": "Identify murmur — character", + "method": "Crescendo-decrescendo (ejection) vs holosystolic (plateau) vs decrescendo early-diastolic (AR, PR) vs mid-diastolic rumble (MS, TS).", + "normal": "N/A — characterise only if murmur present" + }, + { + "label": "Grade intensity", + "method": "Levine 1–6 scale (see scales card above).", + "normal": "No murmur, or grade ≤ 2 soft innocent flow murmur" + }, + { + "label": "Dynamic maneuvers", + "method": "Standing: ↑HOCM, ↑MVP click (earlier). Squatting: opposite. Valsalva: ↑HOCM, most others decrease.", + "normal": "No significant change with posture" + } + ], + "abnormalHints": [ + "Holosystolic murmur at apex → axilla — mitral regurgitation", + "Holosystolic at lower left sternal border (LLSB) — VSD, tricuspid regurgitation", + "Systolic ejection at upper right sternal border → carotids — aortic stenosis", + "Systolic ejection at upper left sternal border — pulmonary stenosis", + "Continuous \"machinery\" below left clavicle — PDA", + "Early diastolic at Erb's point, leaning forward — aortic regurgitation", + "Diastolic rumble at apex, bell in left-lateral — mitral stenosis", + "Fixed split S2 + systolic flow murmur — ASD" + ] + }, + { + "name": "Peripheral vascular exam", + "significance": "Coarctation of the aorta hides until BP and pulses are checked in all four extremities. Differential diagnosis of a hypertensive adolescent should include this in the first 60 seconds.", + "pearl": "Four-limb BP measurement is mandatory in any adolescent with hypertension or a murmur. Upper-extremity BP > lower-extremity BP (or brachio-femoral delay) = coarctation until excluded.", + "steps": [ + { + "label": "Four-limb blood pressure", + "method": "Measure BP in right arm, left arm, and at least one leg. Use appropriately sized cuff (bladder width 40% of limb circumference, length 80–100%).", + "normal": "Arm BPs within 10 mmHg of each other; leg systolic within 20 mmHg of arm systolic (may be higher)" + }, + { + "label": "Radial pulses", + "method": "Palpate both radials simultaneously — note any delay or asymmetry.", + "normal": "Simultaneous, symmetric, 2+" + }, + { + "label": "Radio-femoral delay", + "method": "Palpate radial and femoral simultaneously. Feel the femoral as clearly \"after\" the radial = delay.", + "normal": "No delay" + }, + { + "label": "Femoral pulses", + "method": "Palpate both femoral pulses at the mid-inguinal point. Compare amplitude to radials.", + "normal": "Symmetric 2+ pulses, equal amplitude to radial" + }, + { + "label": "Dorsalis pedis + posterior tibialis", + "method": "Palpate in both feet.", + "normal": "2+ pulses bilaterally" + }, + { + "label": "Capillary refill", + "method": "Press and release the nail bed; time to normal colour.", + "normal": "< 2 sec" + } + ], + "abnormalHints": [ + "Asymmetric upper-extremity BP (> 10 mmHg) — subclavian stenosis or coarctation at the origin", + "Upper >> lower-extremity BP — coarctation of the aorta", + "Diminished or absent femoral pulses with brachio-femoral delay — coarctation", + "Bounding pulses with wide pulse pressure — AR, PDA, arteriovenous fistula, thyrotoxicosis, anemia", + "Weak thready pulses — low output state (heart failure, shock, hypovolemia)", + "Prolonged capillary refill — dehydration, shock, cold stress" + ] + } + ] + } + } + } +} diff --git a/public/js/peGuide.js b/public/js/peGuide.js index 73369e6..a60579c 100644 --- a/public/js/peGuide.js +++ b/public/js/peGuide.js @@ -15,1321 +15,41 @@ // step array and produces a Technique + Findings narrative. // ============================================================ - // ──────────────────────────────────────────────────────────── - // GRADING SCALES — universal reference shown at top of each system - // ──────────────────────────────────────────────────────────── - var SCALES = { - mrc: { - title: 'MRC strength grade (0–5)', - icon: 'fa-hand-fist', - rows: [ - ['5', 'Normal power — holds against full resistance'], - ['4', 'Reduced — moves against gravity + some resistance'], - ['3', 'Moves against gravity only (no added resistance)'], - ['2', 'Full range with gravity eliminated (horizontal plane)'], - ['1', 'Flicker / trace contraction, no joint movement'], - ['0', 'No contraction'] - ] - }, - dtr: { - title: 'Deep-tendon reflex grade (0–4+)', - icon: 'fa-circle-dot', - rows: [ - ['0', 'Absent'], - ['1+', 'Hypoactive — trace, only with reinforcement'], - ['2+', 'Normal'], - ['3+', 'Brisk — may still be normal in anxious patients'], - ['4+', 'Hyperactive with sustained clonus — always abnormal'] - ] - }, - plantar: { - title: 'Plantar response (Babinski)', - icon: 'fa-shoe-prints', - rows: [ - ['Down-going', 'Normal in anyone ≥ 2 years'], - ['Up-going', 'Normal < 2 years; abnormal after — UMN lesion'], - ['Asymmetric', 'Always abnormal at any age'] - ] - }, - beighton: { - title: 'Beighton hypermobility score (0–9)', - icon: 'fa-hands', - rows: [ - ['≤ 3', 'Normal flexibility'], - ['4', 'Borderline — consider in context'], - ['≥ 5', 'Hypermobility spectrum; screen for hEDS if other features present'] - ] - }, - atr: { - title: 'Scoliometer — angle of trunk rotation', - icon: 'fa-ruler', - rows: [ - ['< 5°', 'Normal, no follow-up'], - ['5–6°', 'Borderline — re-check at each visit'], - ['≥ 7°', 'Refer for PA/lateral spine x-ray + orthopedic evaluation'] - ] - }, - rr: { - title: 'Respiratory rate — upper limit by age (awake)', - icon: 'fa-lungs', - rows: [ - ['Newborn', '≤ 60 /min'], - ['< 2 months', '≤ 60 /min (WHO tachypnea cutoff)'], - ['2–12 months', '≤ 50 /min (WHO tachypnea cutoff)'], - ['1–5 years', '≤ 40 /min (WHO tachypnea cutoff)'], - ['6–11 years', '≤ 30 /min'], - ['≥ 12 years', '≤ 20 /min (adult pattern)'] - ] - }, - spo2: { - title: 'Pulse oximetry (SpO₂) — at room air', - icon: 'fa-heart-pulse', - rows: [ - ['≥ 95%', 'Normal'], - ['92–94%', 'Mild hypoxemia — investigate cause'], - ['< 92%', 'Moderate hypoxemia — supplemental O₂'], - ['< 88%', 'Severe — urgent intervention; target ≥ 90% acutely'] - ] - }, - silverman: { - title: 'Silverman–Andersen retraction score (neonatal, 0–10)', - icon: 'fa-baby', - rows: [ - ['0', 'No respiratory distress'], - ['1–3', 'Mild — close observation'], - ['4–6', 'Moderate distress — consider CPAP / support'], - ['7–10', 'Severe — imminent respiratory failure, intubate'] - ] - }, - westley: { - title: 'Westley croup severity score', - icon: 'fa-stethoscope', - rows: [ - ['≤ 2', 'Mild — home management, cool mist, oral dexamethasone'], - ['3–5', 'Moderate — nebulised epinephrine + dexamethasone'], - ['6–11', 'Severe — admit, continuous monitoring'], - ['≥ 12', 'Impending respiratory failure — ICU / airway management'] - ] - }, - murmurGrade: { - title: 'Heart-murmur grading (Levine 1–6)', - icon: 'fa-wave-square', - rows: [ - ['1/6', 'Very faint — heard only with concentration'], - ['2/6', 'Soft but readily heard'], - ['3/6', 'Moderately loud, no thrill'], - ['4/6', 'Loud WITH a palpable thrill'], - ['5/6', 'Very loud; audible with stethoscope just off the chest'], - ['6/6', 'Audible without the stethoscope touching the chest'] - ] - }, - pulseAmp: { - title: 'Pulse amplitude grade (0–4)', - icon: 'fa-heart-pulse', - rows: [ - ['0', 'Absent'], - ['1+', 'Diminished, thready'], - ['2+', 'Normal'], - ['3+', 'Bounding'], - ['4+', 'Bounding with visible pulsation (e.g., aortic regurgitation)'] - ] - }, - capRefill: { - title: 'Capillary refill time', - icon: 'fa-hand', - rows: [ - ['< 2 sec', 'Normal'], - ['2–3 sec', 'Borderline — consider hydration / perfusion'], - ['≥ 3 sec', 'Delayed — dehydration, shock, low cardiac output'] - ] + var SCALES = {}; + var SYSTEM_SCALES = {}; + var APTM_LEGEND = []; + var INNOCENT_MURMURS = []; + var RESP_SOUNDS = []; + var CARDIAC_SOUNDS = []; + var PE_DATA = {}; + var PE_GUIDE_DATA_URL = '/data/pe-guide.json'; + var peGuideDataPromise = null; + + function applyPeGuideData(data) { + data = data || {}; + SCALES = data.scales || {}; + SYSTEM_SCALES = data.systemScales || {}; + APTM_LEGEND = data.aptmLegend || []; + INNOCENT_MURMURS = data.innocentMurmurs || []; + RESP_SOUNDS = data.respiratorySounds || []; + CARDIAC_SOUNDS = data.cardiacSounds || []; + PE_DATA = data.peData || {}; + } + + function loadPeGuideData() { + if (!peGuideDataPromise) { + peGuideDataPromise = fetch(PE_GUIDE_DATA_URL) + .then(function (r) { + if (!r.ok) throw new Error('Failed to load PE Guide data'); + return r.json(); + }) + .then(function (data) { + applyPeGuideData(data); + return data; + }); } - }; - // Which scales are relevant per system - var SYSTEM_SCALES = { - msk: ['atr', 'beighton'], - neuro: ['mrc', 'dtr', 'plantar'], - resp: ['rr', 'spo2', 'silverman', 'westley'], - cv: ['murmurGrade', 'pulseAmp', 'capRefill'] - }; - - // ──────────────────────────────────────────────────────────── - // APTM DIAGRAM — the 5 classic auscultation points - // ──────────────────────────────────────────────────────────── - // Inline SVG showing: Aortic, Pulmonic, Erb's, Tricuspid, Mitral. - // Rendered at the top of the cardiovascular system view. - // Patient faces viewer — viewer's LEFT = patient's right. - var APTM_SVG = - '' + - // Chest outline - '' + - // Clavicles - '' + - '' + - // Sternum - '' + - // ICS level dashed lines - '' + - '' + - '' + - '' + - // Midclavicular line (left — patient\'s, viewer\'s right) - '' + - // ICS labels - 'ICS 2' + - 'ICS 3' + - 'ICS 4' + - 'ICS 5' + - 'Mid-clavicular' + - // Patient labels - 'Patient\'s RIGHT' + - 'Patient\'s LEFT' + - // Aortic — 2nd ICS right sternal border (viewer\'s left) - '' + - 'A' + - // Pulmonic — 2nd ICS left sternal border (viewer\'s right) - '' + - 'P' + - // Erb\'s point — 3rd ICS left sternal border - '' + - 'E' + - // Tricuspid — 4th ICS left sternal border - '' + - 'T' + - // Mitral — 5th ICS midclavicular (apex) - '' + - 'M' + - ''; - - var APTM_LEGEND = [ - { letter: 'A', color: '#dc2626', title: 'Aortic area', location: '2nd ICS, right sternal border', listen: 'S2 (aortic component), aortic stenosis, aortic regurgitation' }, - { letter: 'P', color: '#2563eb', title: 'Pulmonic area', location: '2nd ICS, left sternal border', listen: 'S2 (pulmonic component), pulmonic stenosis, PDA, physiologic split of S2', - innocent: 'Pulmonary flow murmur (children, adolescents) — upper left sternal border' }, - { letter: 'E', color: '#059669', title: 'Erb\'s point', location: '3rd ICS, left sternal border', listen: 'Aortic regurgitation (best here), transitional zone murmurs', - innocent: 'Still\'s murmur classically radiates to Erb\'s / LLSB' }, - { letter: 'T', color: '#d97706', title: 'Tricuspid area', location: '4th–5th ICS, lower left sternal border', listen: 'Tricuspid regurgitation, VSD, S3/S4, holosystolic murmurs', - innocent: 'Still\'s murmur — vibratory, musical, age 3–7 y (loudest between LLSB and apex)' }, - { letter: 'M', color: '#7c3aed', title: 'Mitral area (apex)', location: '5th ICS, mid-clavicular line', listen: 'S1, mitral regurgitation, mitral stenosis (with bell, left-lateral decubitus)' } - ]; - - // ──────────────────────────────────────────────────────────── - // INNOCENT MURMURS — the classic benign murmurs of childhood - // ──────────────────────────────────────────────────────────── - var INNOCENT_MURMURS = [ - { name: 'Still\'s (vibratory) murmur', - age: '3–7 y (most common in children)', - location: 'LLSB, radiating to apex', - character: 'Low-frequency vibratory / musical systolic, grade 2–3/6, mid-systolic, "twanging-string" quality', - confirm: 'Louder supine, softer or disappears on standing or Valsalva. No radiation to neck/back. Normal S2.' }, - { name: 'Pulmonary flow murmur', - age: 'School-age and adolescents, thin chest', - location: 'Upper left sternal border (2nd–3rd ICS)', - character: 'Soft blowing early systolic ejection, grade 1–2/6, higher-pitched', - confirm: 'No ejection click. Physiologic split of S2. Louder supine, softer on standing. No radiation.' }, - { name: 'Venous hum', - age: 'Ages 3–8, disappears by adolescence', - location: 'Supraclavicular or infraclavicular area, usually right', - character: 'Soft continuous hum, louder in diastole. Only innocent continuous murmur.', - confirm: 'Disappears when supine OR when jugular vein is gently compressed (key maneuver). Turning head to opposite side also alters it.' }, - { name: 'Carotid bruit / supraclavicular bruit', - age: 'Children and adolescents', - location: 'Supraclavicular fossa, right > left; may radiate to carotid', - character: 'Brief early systolic, grade 2–3/6, higher-pitched than Still\'s', - confirm: 'Softer or disappears with hyperextension of the shoulders. Normal cardiac exam otherwise. No radiation below the clavicles.' }, - { name: 'Peripheral pulmonary stenosis (PPS, neonatal)', - age: 'Newborns and infants < 6–12 months', - location: 'Upper LSB, radiates to BOTH axillae and the back', - character: 'Soft systolic ejection murmur, grade 1–2/6', - confirm: 'Typical age + radiation to back/axillae. Resolves by age 1 as branch pulmonary arteries grow. Persistence or louder grade warrants echo.' } - ]; - - // ──────────────────────────────────────────────────────────── - // RESPIRATORY SOUNDS LIBRARY - // ──────────────────────────────────────────────────────────── - // Displayed as a dedicated card at the top of the Respiratory system. - // src = real recording path served from /public/audio/respiratory/. - var RESP_SOUNDS = [ - { key: 'normal', src: '/audio/respiratory/normal-vesicular.ogg', title: 'Normal vesicular breath sounds', - where: 'Peripheral lung fields', - features: 'Soft, rustling. Inspiration louder and longer than expiration.', - clinical: 'Baseline — deviation elsewhere is what you listen for.' }, - { key: 'wheeze', src: '/audio/respiratory/wheeze.ogg', title: 'Wheeze', - where: 'Diffuse in asthma; localised in foreign body', - features: 'Continuous, high-pitched, musical. Usually expiratory; biphasic if severe.', - clinical: 'Lower-airway narrowing — asthma, bronchiolitis, foreign body, bronchomalacia. Silent chest in severe asthma is an ominous sign.' }, - { key: 'stridor', src: '/audio/respiratory/stridor.ogg', title: 'Stridor', - where: 'Louder over neck than chest — upper airway', - features: 'Continuous, high-pitched, harsh. Classically inspiratory (extrathoracic obstruction); biphasic if fixed.', - clinical: 'Croup, epiglottitis, foreign body, laryngomalacia (infant). Distinguish from wheeze by auscultating the neck — stridor is loudest there.' }, - { key: 'finecrackles', src: '/audio/respiratory/crackles-fine.ogg', title: 'Fine (end-inspiratory) crackles', - where: 'Bibasilar in pulmonary edema/fibrosis; focal in pneumonia', - features: 'Discontinuous, brief, high-pitched. "Velcro" quality. Late inspiratory, do NOT clear with cough.', - clinical: 'Alveolar opening — pulmonary fibrosis, pulmonary edema, early pneumonia, atelectasis.' }, - { key: 'coarsecrackles', src: '/audio/respiratory/crackles-coarse.ogg', title: 'Coarse crackles', - where: 'Lower lobes; either side', - features: 'Discontinuous, longer and louder than fine crackles. Lower-pitched. Can be early or late inspiratory; often clear partly with cough.', - clinical: 'Secretions in larger airways — bronchitis, later pneumonia, bronchiectasis, aspiration.' }, - { key: 'rhonchi', src: '/audio/respiratory/rhonchi.ogg', title: 'Rhonchi', - where: 'Central or anywhere with airway secretions', - features: 'Continuous, low-pitched, snore-like. Typically expiratory. Clear or change with cough.', - clinical: 'Large-airway secretions — bronchitis, pneumonia with large-airway involvement, cystic fibrosis, bronchiectasis.' }, - { key: 'pleuralrub', src: '/audio/respiratory/pleural-rub.ogg', title: 'Pleural friction rub', - where: 'Focal, often lateral or posterior lower chest', - features: 'Grating, creaky — "leather on leather". Biphasic (heard in inspiration and expiration). Does NOT clear with cough.', - clinical: 'Pleural inflammation — pleuritis, pulmonary embolism, pneumonia with pleural involvement, viral pleurisy.' } - ]; - - // ──────────────────────────────────────────────────────────── - // CARDIAC SOUNDS LIBRARY — real recordings from Wikimedia Commons - // ──────────────────────────────────────────────────────────── - var CARDIAC_SOUNDS = [ - { key: 'normal', src: '/audio/cardiac/normal.ogg', title: 'Normal heart sounds (S1, S2)', - where: 'All four classic auscultation points', rate: '~61 bpm reference', - features: '"lub-dub": S1 (closure of mitral + tricuspid) louder at apex; S2 (closure of aortic + pulmonic) louder at base. Physiologic S2 split on inspiration.', - clinical: 'Reference for rhythm, rate, and the normal S1–S2 interval. Listen for what\'s changed — not just what\'s added.' }, - { key: 'infant-normal', src: '/audio/cardiac/infant-normal.ogg', title: 'Infant normal heart sounds', - where: 'Infant chest — rate will be higher than adult', rate: 'Pediatric reference (120–160 bpm range)', - features: 'Same S1–S2 pattern, faster rate. Short diastole makes murmurs easier to miss — careful auscultation needed.', - clinical: 'Reference for neonatal/infant rhythm. Any murmur in the first 72 h should prompt pre/postductal sat screening.' }, - { key: 'vsd', src: '/audio/cardiac/vsd.wav', title: 'Ventricular septal defect (VSD)', - where: 'Lower left sternal border (4th ICS)', - features: 'Harsh, blowing, holosystolic (pansystolic) murmur — plateau shape through all of systole. Often accompanied by a thrill if large.', - clinical: 'Most common congenital heart defect. Small VSD: loud murmur, usually asymptomatic, may close spontaneously. Large VSD: softer murmur (less pressure gradient) but signs of heart failure, pulmonary hypertension.' }, - { key: 'mvp', src: '/audio/cardiac/mitral-prolapse.wav', title: 'Mitral valve prolapse (MVP) — click + late systolic murmur', - where: 'Apex (5th ICS, mid-clavicular line)', - features: 'Mid-systolic click followed by a late-systolic crescendo murmur. Timing of click changes with maneuvers: earlier with standing or Valsalva, later with squatting.', - clinical: 'Often benign, especially in thin young women. Features suggesting need for echo: thickened/redundant leaflets, associated MR, symptoms (palpitations, chest pain), arrhythmias.' }, - { key: 'stills', src: '/audio/cardiac/stills-murmur.ogg', title: 'Still\'s murmur (innocent)', - where: 'LLSB, radiating to apex', rate: 'Classic age 3–7 y (this recording is a toddler)', - features: 'Low-frequency vibratory / musical systolic, grade 2–3/6, mid-systolic, "twanging-string" quality.', - clinical: 'The most common innocent murmur of childhood. Louder supine, softer or disappears on standing or Valsalva. Normal S2. No radiation to neck or back. No workup needed when classic.' }, - { key: 'functional', src: '/audio/cardiac/functional-murmur.wav', title: 'Functional (innocent) murmur — adult female', - where: 'Left sternal border, soft systolic', - features: 'Soft systolic murmur in a structurally normal heart — often from increased cardiac output, thin chest wall, anemia, hyperthyroidism, or pregnancy.', - clinical: 'Benign if it meets the 7 S criteria. Investigate if loud (≥3/6), holosystolic, diastolic, radiating, or with thrill / symptoms.' } - ]; - - // ──────────────────────────────────────────────────────────── - // DATA - // ──────────────────────────────────────────────────────────── - var PE_DATA = { - - newborn: { - label: 'Newborn (0–28 days)', - msk: { - overview: 'Exam done warm, quiet, undressed. Focus: birth injury, DDH, congenital anomaly. All steps symmetric.', - components: [ - { name: 'Resting posture', steps: [ - { label: 'Observe posture', method: 'Place supine and undisturbed for 30s', normal: 'Symmetric flexion at hips, knees, elbows' }, - { label: 'Hand position', method: 'Inspect resting hands', normal: 'Loosely fisted; opens intermittently' }, - { label: 'Symmetry', method: 'Compare left vs right side at rest', normal: 'Mirror-image posture' } - ], abnormalHints: ['Frog-leg (hypotonia)', 'Asymmetric arm (brachial plexus/clavicle fx)', 'Opisthotonos (CNS)', 'Persistent fisting with thumb in palm'] }, - - { name: 'Clavicles', steps: [ - { label: 'Palpate right clavicle', method: 'Trace from sternoclavicular joint to acromion with index finger', normal: 'Smooth, continuous, no step-off' }, - { label: 'Palpate left clavicle', method: 'Same technique on left side', normal: 'Smooth, continuous' }, - { label: 'Crepitus check', method: 'Light pressure along length of clavicle while gently abducting arm', normal: 'No crepitus, no pain response' } - ], abnormalHints: ['Palpable step-off or callus (fracture — LGA, shoulder dystocia)', 'Asymmetric Moro on affected side'] }, - - { name: 'Hips — DDH screen', steps: [ - { label: 'Thigh/gluteal folds', method: 'Undress completely; compare skin-fold symmetry', normal: 'Symmetric thigh and gluteal folds' }, - { label: 'Abduction', method: 'Flex hips 90°, abduct simultaneously', normal: 'Both hips abduct to ≥75° symmetrically' }, - { label: 'Barlow maneuver', method: 'Thumb on medial thigh, flex hip 90°, adduct, apply gentle posterior pressure', normal: 'No clunk or movement felt (negative)' }, - { label: 'Ortolani maneuver', method: 'From Barlow position: abduct and lift with fingers on greater trochanter', normal: 'No clunk as hip returns (negative)' }, - { label: 'Galeazzi sign', method: 'Knees flexed together with feet on table; compare knee heights', normal: 'Knees level — no leg-length discrepancy' } - ], abnormalHints: ['Palpable Ortolani clunk (dislocated, reducible)', 'Barlow clunk (dislocatable)', 'Limited abduction', 'Positive Galeazzi (shortened femur)'] }, - - { name: 'Spine and back', steps: [ - { label: 'Position prone', method: 'Turn infant prone, support chest', normal: 'Tolerates position, lifts head briefly' }, - { label: 'Palpate midline', method: 'Run finger from C-spine to coccyx', normal: 'Straight midline, no step-offs or gaps' }, - { label: 'Sacral inspection', method: 'Inspect sacral dimple if present; measure depth, distance from anus', normal: 'No dimple, or dimple <5mm deep and <2.5cm from anus' }, - { label: 'Cutaneous markers', method: 'Inspect midline skin from neck to coccyx', normal: 'No hair tuft, hemangioma, lipoma, or sinus tract' } - ], abnormalHints: ['Deep sacral dimple (>5mm) or >2.5cm from anus — imaging', 'Hair tuft, hemangioma, lipoma (occult dysraphism)', 'Palpable defect'] }, - - { name: 'Upper extremities', steps: [ - { label: 'Spontaneous movement', method: 'Observe both arms for 30s', normal: 'Symmetric antigravity movement' }, - { label: 'Digits', method: 'Count and inspect fingers both hands', normal: '5 digits each, no webbing or duplication' }, - { label: 'Palmar creases', method: 'Inspect palmar creases', normal: 'Normal triradiate creases' } - ], abnormalHints: ['Erb/Klumpke palsy (paucity of movement)', 'Polydactyly, syndactyly', 'Single transverse (simian) palmar crease'] }, - - { name: 'Lower extremities / feet', steps: [ - { label: 'Hip and knee range', method: 'Gently flex, extend, internally/externally rotate each', normal: 'Full symmetric range, no contracture' }, - { label: 'Foot alignment', method: 'Inspect resting foot position', normal: 'Midline or mildly adducted forefoot' }, - { label: 'Passive correction', method: 'Gently attempt to bring foot to neutral', normal: 'Fully correctable to neutral' }, - { label: 'Stroke test', method: 'Stroke lateral border of foot', normal: 'Foot dorsiflexes and everts reflexively' } - ], abnormalHints: ['Rigid clubfoot (non-correctable talipes equinovarus)', 'Fixed metatarsus adductus', 'Rocker-bottom foot (trisomy 18)', 'Calcaneovalgus'] } - ] - }, - neuro: { - overview: 'Primitive reflexes present and symmetric. Tone assessed passively and actively. Full exam 3–5 min on a quiet, fed infant.', - components: [ - { name: 'Alertness and behavior', steps: [ - { label: 'State cycling', method: 'Observe over 1–2 min for alert periods', normal: 'Alert periods with spontaneous eye opening' }, - { label: 'Response to voice', method: 'Speak softly near ear', normal: 'Quiets to voice or turns toward sound' }, - { label: 'Consolability', method: 'If crying, attempt to soothe with swaddling or voice', normal: 'Consolable within 1–2 min' } - ], abnormalHints: ['Lethargy', 'Jitteriness not stopped by passive flexion', 'Irritability unrelieved by feeding'] }, - - { name: 'Cranial nerves', steps: [ - { label: 'CN II — pupil response', method: 'Shine light in each eye', normal: 'Pupils equal, reactive to light, direct and consensual' }, - { label: 'CN II — blink to light', method: 'Bright light in the line of sight', normal: 'Reflex blink' }, - { label: 'CN VII — facial symmetry at rest', method: 'Observe resting face', normal: 'Symmetric nasolabial folds' }, - { label: 'CN VII — facial symmetry with cry', method: 'Note face during a cry', normal: 'Symmetric grimace' }, - { label: 'CN IX, X, XII — suck and swallow', method: 'Offer clean gloved finger, pacifier, or during feed', normal: 'Strong coordinated suck-swallow, no choking' } - ], abnormalHints: ['Asymmetric face (CN VII injury — usually forceps)', 'Poor suck or uncoordinated swallow', 'Fixed or unequal pupil'] }, - - { name: 'Tone — passive', steps: [ - { label: 'Pull-to-sit', method: 'Grasp hands/wrists, pull smoothly to sit', normal: 'Brief head lag at term; not dramatic' }, - { label: 'Ventral suspension', method: 'Suspend prone over hand at chest', normal: 'Head briefly lifts to horizontal; extremities flexed' }, - { label: 'Arm recoil', method: 'Extend both arms fully at elbows, release', normal: 'Rapid return to flexion' }, - { label: 'Popliteal angle', method: 'Hip flexed 90°, extend knee maximally', normal: '≤110°' } - ], abnormalHints: ['Marked head lag (hypotonia)', 'Slip-through on vertical suspension', 'Hypertonia / scissoring', 'Floppy limbs with no recoil'] }, - - { name: 'Spontaneous movement', steps: [ - { label: 'Observe limbs', method: 'Undisturbed over 1 min, note movement', normal: 'Symmetric antigravity movement of all 4 limbs' }, - { label: 'Quality of movement', method: 'Note smoothness vs jitteriness', normal: 'Smooth, mildly variable movements' } - ], abnormalHints: ['Paucity of movement in one limb', 'Coarse jitteriness', 'Clonic jerks', 'Tonic posturing'] }, - - { name: 'Primitive reflexes', steps: [ - { label: 'Moro', method: 'Support head; allow 30° head drop or loud clap', normal: 'Symmetric arm abduction then flexion, often cry' }, - { label: 'Rooting', method: 'Stroke cheek at corner of mouth', normal: 'Turns head toward stroke and opens mouth' }, - { label: 'Palmar grasp', method: 'Press into palm with finger', normal: 'Strong, symmetric finger flexion' }, - { label: 'Plantar grasp', method: 'Press ball of foot below toes', normal: 'Toes flex around finger symmetrically' }, - { label: 'Stepping', method: 'Hold upright with feet touching surface', normal: 'Alternating stepping movements' }, - { label: 'Tonic neck (fencing)', method: 'Turn head to one side with infant supine', normal: 'Same-side arm extends, opposite flexes (not obligate)' }, - { label: 'Galant', method: 'Stroke paravertebrally from shoulder to buttock, one side', normal: 'Trunk curves toward stroked side' } - ], abnormalHints: ['Absent or asymmetric Moro — CNS injury, brachial plexus, clavicle fx', 'Absent grasps — CNS depression', 'Obligate tonic neck is abnormal'] }, - - { name: 'Babinski (plantar response)', steps: [ - { label: 'Stroke lateral sole', method: 'Firm stroke from heel toward toes along lateral plantar border', normal: 'Up-going great toe with fanning (normal in newborn)' }, - { label: 'Symmetry check', method: 'Repeat opposite foot', normal: 'Symmetric response' } - ], abnormalHints: ['Asymmetric response is always abnormal'] } - ] - }, - resp: { - overview: 'Newborn respiratory transition — RDS, TTN, pneumonia, meconium aspiration dominate the differential. Normal RR ≤ 60. Grunting is an alarm sign.', - components: [ - { name: 'Inspection', - significance: 'Detects distress and localises cause. Silverman score quantifies retraction severity.', - pearl: 'Grunting is physiologic PEEP against a partially closed glottis — always a sign of significant lung pathology in a newborn. Never dismiss it as fussy breathing.', - steps: [ - { label: 'Respiratory rate', method: 'Count over full 60 s, quiet and undisturbed.', normal: '40–60 /min; tachypnea > 60' }, - { label: 'Work of breathing (Silverman)', method: 'Inspect for upper-chest retraction, lower-chest retraction, xiphoid retraction, nasal flaring, grunting. Score 0–2 for each.', normal: 'Total Silverman 0 — no distress' }, - { label: 'Audible sounds', method: 'Listen without stethoscope — stridor? grunting? wheeze across the room?', normal: 'Quiet respirations' }, - { label: 'Colour', method: 'Inspect trunk and mucous membranes for central cyanosis; acrocyanosis (blue hands/feet) is normal in the first days.', normal: 'Pink trunk and mucous membranes' }, - { label: 'Chest shape', method: 'Inspect AP:transverse diameter and symmetry.', normal: 'Slightly barrel-shaped is normal; symmetric' } - ], - abnormalHints: ['Grunting — RDS, pneumonia, sepsis, CHD', 'Retractions + tachypnea — RDS, TTN, pneumothorax', 'Central cyanosis — cyanotic CHD, severe lung disease, persistent pulmonary HTN', 'Asymmetric chest movement — pneumothorax, diaphragmatic hernia'] }, - { name: 'Auscultation', - significance: 'Short stethoscope time in neonates because they fuss easily — get the most important zones first.', - pearl: 'Listen at the axilla, not just the anterior chest — pneumothorax can sound normal anteriorly. Auscultate both axillae systematically.', - steps: [ - { label: 'Air entry — anterior', method: 'Listen bilaterally at the upper and lower anterior chest.', normal: 'Symmetric bilateral air entry' }, - { label: 'Air entry — axillary', method: 'Listen bilaterally at each axilla — this is the most sensitive area for detecting a small pneumothorax.', normal: 'Clear and symmetric' }, - { label: 'Adventitious sounds', method: 'Listen for transmitted upper-airway sounds, crackles (RDS, pneumonia), grunting sounds.', normal: 'No crackles, no wheeze, clear sounds' }, - { label: 'Inspiration:expiration ratio', method: 'Observe breath-sound timing.', normal: 'Inspiration > expiration in length' } - ], - abnormalHints: ['Asymmetric air entry — pneumothorax, diaphragmatic hernia, endobronchial intubation', 'Fine crackles — RDS, TTN, pneumonia', 'Absent breath sounds unilaterally — pneumothorax or selective intubation'] } - ] - }, - cv: { - overview: 'Neonatal CV exam screens for CHD — the window of presentation is short and some lesions (duct-dependent) decompensate within hours of birth. Pre/postductal saturations + femoral pulses are the two fastest screens.', - components: [ - { name: 'Inspection and pre/postductal saturations', - significance: 'Pre/postductal SpO₂ differential > 3% suggests a duct-dependent lesion or persistent pulmonary HTN. Universal CCHD screening uses this.', - pearl: 'Pulse ox on the right hand = preductal (proximal to PDA insertion). Foot = postductal. Both arms and both legs should match; a differential is a red flag for critical CHD.', - steps: [ - { label: 'Central cyanosis', method: 'Inspect tongue, lips, oral mucosa.', normal: 'Pink mucous membranes' }, - { label: 'Pre/postductal SpO₂', method: 'Measure SpO₂ in right hand (preductal) AND either foot (postductal). Baby must be ≥24 hr old for CCHD screening.', normal: 'Both ≥ 95% AND difference < 3%' }, - { label: 'Peripheral perfusion', method: 'Capillary refill on sternum; note mottling or distal cyanosis.', normal: 'Capillary refill < 2 s, warm pink extremities' }, - { label: 'Precordial activity', method: 'Inspect anterior chest for hyperactive precordium.', normal: 'Not visible or minimally visible' } - ], - abnormalHints: ['Central cyanosis with SpO₂ < 95% → cyanotic CHD workup (4-extremity BP, ECG, hyperoxia test, echo)', 'Differential > 3% (pre > post) → duct-dependent systemic flow (HLHS, coarctation, interrupted arch)', 'Preductal < postductal — persistent pulmonary HTN with reversed shunt'] }, - { name: 'Palpation and auscultation', - significance: 'Absent femoral pulses + arm-leg BP gradient = coarctation. Many CHD lesions manifest murmurs only after ductus closes (48–72 h).', - pearl: 'Always palpate femoral pulses before discharging any newborn. Absent femorals in a well-appearing baby can be the only finding in a ductal-dependent coarctation — catastrophic if missed.', - steps: [ - { label: 'Apex beat', method: 'Palpate at the 4th ICS left of sternum (apex is higher in newborns).', normal: 'Palpable at 4th ICS, mid-clavicular or just lateral' }, - { label: 'Femoral pulses', method: 'Palpate both femoral pulses at the mid-inguinal point while simultaneously feeling the right brachial pulse — detects delay.', normal: 'Present, symmetric, equal timing with brachial' }, - { label: 'Auscultate each cardiac area', method: 'Use pediatric diaphragm at each classic point; baby quiet if possible.', normal: 'S1 S2 crisp; physiologic flow murmur sometimes present in the first 24–48 h' }, - { label: 'Continuous murmur', method: 'Listen below the left clavicle for a continuous ("machinery") murmur of PDA.', normal: 'No continuous murmur after the first day of life in a term baby' }, - { label: 'Four-limb BP (if any concern)', method: 'Right arm, left arm, both legs.', normal: 'Within 10 mmHg across limbs' } - ], - abnormalHints: ['Absent femoral pulses — coarctation of the aorta (surgical emergency if duct-dependent)', 'Harsh holosystolic at LLSB — VSD', 'Continuous machinery murmur — PDA (expected in preterm; in term > 48 h is abnormal)', 'Gallop S3/S4 — heart failure', 'Single S2 — transposition, truncus, severe AS/PS'] } - ] - } - }, - - infant: { - label: 'Infant (1–12 months)', - msk: { - overview: 'Continued DDH screen through 6 months. Watch motor progression and symmetry of tone/movement.', - components: [ - { name: 'Hips — continued DDH screen', steps: [ - { label: 'Thigh-fold symmetry', method: 'Inspect with infant supine, thighs flexed', normal: 'Symmetric folds' }, - { label: 'Barlow/Ortolani (through 3mo)', method: 'As in newborn — thumb medial, flex 90°, adduct+push then abduct+lift', normal: 'Negative bilaterally' }, - { label: 'Abduction (any age)', method: 'Flex 90°, abduct simultaneously', normal: '≥70° symmetric abduction' }, - { label: 'Galeazzi', method: 'Knees flexed feet flat on exam table', normal: 'Knees equal height' } - ], abnormalHints: ['Clunk on Barlow/Ortolani (<3mo)', 'Limited abduction', 'Asymmetric folds', 'Positive Galeazzi'] }, - - { name: 'Gross-motor milestones (age-appropriate)', steps: [ - { label: 'Head control', method: 'Prone, pull-to-sit, held upright', normal: 'Age-appropriate: 2mo lifts head 45°; 4mo no head lag' }, - { label: 'Rolling', method: 'Observe on flat surface', normal: 'Rolls back-to-front by 5–6mo' }, - { label: 'Sitting', method: 'Place in sitting position', normal: 'Tripod sit by 6mo; sits without support by 7–8mo' }, - { label: 'Standing', method: 'Support under arms', normal: 'Bears weight by 6mo; pulls to stand by 9mo' } - ], abnormalHints: ['Milestone delay by ≥2mo', 'Loss of previously attained milestone', 'Asymmetric use of limbs'] }, - - { name: 'Spine', steps: [ - { label: 'Palpate seated', method: 'Run finger along spine with infant sitting or held upright', normal: 'Midline, no step-offs' }, - { label: 'Back curvature', method: 'Inspect sitting and lying', normal: 'Physiologic gentle kyphosis in early infancy; lumbar lordosis as sitting develops' } - ], abnormalHints: ['Fixed kyphoscoliosis', 'Sacral dimple with cutaneous marker', 'Step-off'] }, - - { name: 'Extremities', steps: [ - { label: 'Passive range', method: 'Through each major joint', normal: 'Full symmetric range' }, - { label: 'Joint inspection', method: 'Inspect for swelling, warmth, effusion', normal: 'No swelling, warmth, or effusion' }, - { label: 'Feet alignment', method: 'Observe standing if pulling up, else passive positioning', normal: 'Correctable or aligned feet; flexible' } - ], abnormalHints: ['Joint swelling/warmth (septic vs reactive arthritis)', 'Rigid clubfoot', 'Persistent asymmetric tone'] } - ] - }, - neuro: { - overview: 'Primitive reflexes fading on schedule; protective reflexes emerging; gross motor and tone interlinked.', - components: [ - { name: 'Alertness and social engagement', steps: [ - { label: 'Social smile', method: 'Face-to-face interaction', normal: 'Social smile by 6–8 weeks' }, - { label: 'Tracking', method: 'Move object across visual field', normal: '180° horizontal tracking by 3mo' }, - { label: 'Engagement', method: 'Face-to-face, voice, toys', normal: 'Age-appropriate reciprocal interaction' } - ], abnormalHints: ['No social smile by 3mo', 'Absent tracking past 3mo', 'Poor engagement (developmental concern)'] }, - - { name: 'Cranial nerves', steps: [ - { label: 'Pupils', method: 'Light response each eye', normal: 'Equal reactive' }, - { label: 'Eye alignment', method: 'Inspect with gaze forward and in all directions', normal: 'No strabismus past 4mo' }, - { label: 'Facial symmetry', method: 'Observe smile and cry', normal: 'Symmetric' }, - { label: 'Suck and swallow', method: 'Observe feeding', normal: 'Coordinated, no choking' } - ], abnormalHints: ['Persistent nystagmus', 'Strabismus past 4mo', 'Asymmetric face'] }, - - { name: 'Tone', steps: [ - { label: 'Pull-to-sit', method: 'Gently pull wrists/hands', normal: 'No head lag by 4mo' }, - { label: 'Ventral suspension', method: 'Support prone, observe', normal: 'Head above horizontal, extremities actively flexed (age-dependent)' }, - { label: 'Vertical suspension', method: 'Support under arms, lift', normal: 'Does not slip through hands' } - ], abnormalHints: ['Persistent head lag past 4mo (hypotonia)', 'Hypertonia / scissoring (UMN)', 'Slip-through on vertical suspension'] }, - - { name: 'Primitive reflex integration', steps: [ - { label: 'Moro', method: 'Head drop or clap', normal: 'Absent by 6mo' }, - { label: 'Palmar grasp', method: 'Press into palm', normal: 'Integrated by 5–6mo; replaced by voluntary grasp' }, - { label: 'Tonic neck', method: 'Turn head to side', normal: 'Absent by 6mo' }, - { label: 'Rooting', method: 'Stroke cheek', normal: 'Absent by 3–4mo' } - ], abnormalHints: ['Persistence of any primitive reflex past 6mo warrants eval (CP, CNS injury)'] }, - - { name: 'Protective and postural reflexes', steps: [ - { label: 'Parachute', method: 'Held prone, tilt head downward suddenly', normal: 'Symmetric arm extension protectively by 9mo (emerges 6–9mo)' }, - { label: 'Lateral propping', method: 'Seated infant, gentle tilt to one side', normal: 'Arm extends to catch by 6–7mo' }, - { label: 'Landau', method: 'Suspend prone', normal: 'Extends head, spine, legs by 6mo' } - ], abnormalHints: ['Absent parachute after 12mo (concerning)', 'Asymmetric lateral propping', 'Absent Landau'] } - ] - }, - resp: { - overview: 'Infant respiratory disease centers on bronchiolitis, reactive airways, and pneumonia. Normal RR ≤ 50 (< 2 mo: ≤ 60). Infants are obligate nose-breathers — nasal congestion alone can cause significant WOB.', - components: [ - { name: 'Inspection', - significance: 'Infant distress signs escalate fast. Nasal flaring, tracheal tug, head bobbing = significant WOB. Apnea in an infant < 2 mo is an emergency.', - pearl: 'A quiet infant with retractions is more worrying than a crying one — exhausted infants stop crying and become hypoxic silently.', - steps: [ - { label: 'Respiratory rate', method: 'Count over full 60 s while quiet.', normal: '< 2 mo: ≤ 60; 2–12 mo: ≤ 50' }, - { label: 'Work of breathing', method: 'Inspect nasal flaring, subcostal/intercostal/suprasternal retractions, tracheal tug, head-bobbing, accessory muscle use.', normal: 'No retractions, effortless breathing' }, - { label: 'Audible sounds', method: 'Stridor? Wheeze across the room? Grunting? Prolonged expiration?', normal: 'Quiet respirations' }, - { label: 'Colour and feeding history', method: 'Central cyanosis? Poor feeding (feeding is an effort marker in infants)?', normal: 'Pink, feeds well' }, - { label: 'Apnea observation', method: 'Watch for ≥ 20-s pauses or pauses < 20 s with bradycardia/cyanosis.', normal: 'No apneas' } - ], - abnormalHints: ['Grunting / persistent retractions — pneumonia, bronchiolitis, CHF', 'Wheeze — bronchiolitis (RSV), asthma, foreign body', 'Stridor — croup (6 mo–6 y), laryngomalacia (infant), foreign body', 'Apnea — bronchiolitis, sepsis, pertussis, seizure'] }, - { name: 'Auscultation', - significance: 'Infants have a thin chest wall — sounds transmit widely. Symmetry, wheeze, and crackles are the main findings.', - pearl: 'In bronchiolitis, the classical finding is widespread end-inspiratory fine crackles PLUS expiratory wheeze. Tachypnea + retractions in an RSV-season infant confirms.', - steps: [ - { label: 'Air entry — bilateral', method: 'Warm stethoscope; listen at anterior chest and both axillae, both sides.', normal: 'Symmetric air entry' }, - { label: 'Wheeze', method: 'Listen in expiration. Diffuse wheeze = lower airway; focal wheeze = foreign body or local obstruction.', normal: 'No wheeze' }, - { label: 'Crackles', method: 'Listen in late inspiration. Focal = pneumonia; diffuse fine = bronchiolitis.', normal: 'No crackles' }, - { label: 'Prolonged expiration', method: 'Note expiration:inspiration length ratio.', normal: 'Inspiration ≥ expiration' } - ], - abnormalHints: ['Focal crackles + fever — pneumonia', 'Diffuse wheeze + fine crackles in an RSV-season infant — bronchiolitis', 'Silent chest with extreme WOB — impending respiratory failure'] } - ] - }, - cv: { - overview: 'Most CHD manifests in the first year as pulmonary blood-flow changes and the ductus closes. Infant CV exam = growth review + inspection + femoral pulses + auscultation. A harsh pan-systolic LLSB murmur in a 6-week-old = VSD until proven otherwise.', - components: [ - { name: 'Inspection and functional assessment', - significance: 'Heart failure in infants presents as poor feeding, sweating during feeds (diaphoresis), tachypnea, and poor weight gain. These historical features predict bad exam findings.', - pearl: 'Ask "Does the baby sweat while feeding?" — infant CHF presents with diaphoresis on the forehead during feeds, well before peripheral edema appears.', - steps: [ - { label: 'Growth trajectory', method: 'Plot weight-for-age on WHO chart. Failure to thrive raises CHD concern.', normal: 'Tracking ≥ 10th percentile or stable on personal curve' }, - { label: 'Feeding history', method: 'Ask about feed duration, sweating with feeds, tachypnea with feeds, tiring easily.', normal: 'Feeds < 20 min, no diaphoresis, no tachypnea' }, - { label: 'Central cyanosis', method: 'Inspect tongue and oral mucosa.', normal: 'Pink' }, - { label: 'Clubbing', method: 'Inspect finger nail beds (subtle in infants).', normal: 'No clubbing' }, - { label: 'Peripheral perfusion', method: 'Cap refill, warmth of extremities.', normal: 'Cap refill < 2 s, warm extremities' } - ], - abnormalHints: ['Poor weight gain — consider CHF from L-to-R shunt (VSD, PDA, AVSD)', 'Diaphoresis with feeds — infant CHF', 'Tiring with feeds — significant CHD', 'Central cyanosis — cyanotic CHD (ToF, TGA, TA, etc.)'] }, - { name: 'Palpation and auscultation', - significance: 'Femoral pulses + 4-limb BP screen coarctation. A harsh holosystolic murmur at LLSB is almost always a VSD in this age.', - pearl: 'Listen over each of the 5 classic points as in the adult exam — the locations shift slightly with infant chest size but relative positions are the same. Also listen at the back: coarctation murmurs radiate there.', - steps: [ - { label: 'Apex beat', method: 'Palpate at 4th ICS mid-clavicular line.', normal: 'Palpable at 4th ICS in infants' }, - { label: 'Femoral pulses', method: 'Palpate bilaterally, simultaneously with right brachial.', normal: 'Present, equal, no delay vs brachial' }, - { label: 'Listen at each classic area (APTM)', method: 'See APTM diagram. Use pediatric stethoscope with both diaphragm and bell.', normal: 'S1 and S2 crisp, no murmur or physiologic only' }, - { label: 'Listen over the back (interscapular)', method: 'Check for radiation of coarctation murmurs.', normal: 'No radiating murmur' } - ], - abnormalHints: ['Harsh holosystolic LLSB murmur — VSD', 'Continuous "machinery" murmur below left clavicle — PDA', 'Systolic ejection at ULSB + fixed split S2 — ASD', 'Ejection murmur at ULSB + cyanosis — tetralogy of Fallot', 'Absent femorals + radio-femoral delay — coarctation', 'Gallop + tachycardia — heart failure'] } - ] - } - }, - - toddler: { - label: 'Toddler (1–3 years)', - msk: { - overview: 'Gait, physiologic alignment changes, in-toeing, joint range. Cooperation unpredictable — use play.', - components: [ - { name: 'Gait', steps: [ - { label: 'Base of support', method: 'Have child walk ~10 feet', normal: 'Wide-based initially, narrowing by 2y' }, - { label: 'Heel-strike', method: 'Observe foot contact pattern', normal: 'Heel-strike developing by 18mo, consistent by 2y' }, - { label: 'Arm swing', method: 'Observe reciprocal arm swing', normal: 'Reciprocal arm swing by 18mo' }, - { label: 'Symmetry', method: 'Watch both sides in stance and swing', normal: 'Symmetric stride length and cadence' } - ], abnormalHints: ['Toe-walking past 2y (idiopathic vs CP vs DMD)', 'Limp (Legg-Calvé-Perthes, transient synovitis, trauma)', 'Wide-based ataxia'] }, - - { name: 'Knee alignment', steps: [ - { label: 'Stand feet together', method: 'Feet/medial malleoli touching; inspect knees', normal: 'Genu varum resolving by 18–24mo; mild genu valgum common by 2–3y' }, - { label: 'Intercondylar or intermalleolar distance', method: 'Measure if alignment appears abnormal', normal: '<5cm intercondylar (varum) or <8cm intermalleolar (valgum)' }, - { label: 'Symmetry', method: 'Compare sides', normal: 'Symmetric' } - ], abnormalHints: ['Persistent varum past 2y', 'Severe valgum >8cm', 'Unilateral (Blount disease, rickets)'] }, - - { name: 'Feet alignment', steps: [ - { label: 'In-toeing / out-toeing', method: 'Observe foot angle during gait', normal: 'Mild in-toeing common (tibial torsion, femoral anteversion)' }, - { label: 'Arch during stance', method: 'Stand flat, then on tiptoes', normal: 'Flexible flat foot that forms arch on tiptoe' }, - { label: 'Heel alignment', method: 'View from behind standing', normal: 'Neutral or mildly valgus heel' } - ], abnormalHints: ['Rigid flat foot (tarsal coalition)', 'Fixed metatarsus adductus', 'Severe in-toeing >15°'] }, - - { name: 'Joint range', steps: [ - { label: 'Hips', method: 'Flex, abduct, rotate each hip', normal: 'Full symmetric range, no pain' }, - { label: 'Knees', method: 'Flex, extend; palpate for effusion', normal: 'Full range, no effusion, stable' }, - { label: 'Ankles', method: 'Dorsiflex, plantarflex, invert, evert', normal: 'Full range' }, - { label: 'Shoulders, elbows, wrists', method: 'Through full range each', normal: 'Full symmetric range' } - ], abnormalHints: ['Joint effusion (septic vs reactive)', 'Guarded or painful motion', 'Asymmetric limitation'] }, - - { name: 'Spine', steps: [ - { label: 'Inspect standing', method: 'View spine from behind', normal: 'Midline, no prominent curve' }, - { label: 'Palpate midline', method: 'Run finger along spinous processes', normal: 'Midline, no step-off, no tenderness' }, - { label: 'Shoulder/hip symmetry', method: 'Compare shoulder and hip heights', normal: 'Symmetric' } - ], abnormalHints: ['Fixed scoliosis', 'Abnormal kyphosis', 'Asymmetric shoulder/hip', 'Midline tenderness'] } - ] - }, - neuro: { - overview: 'Shifting to adult-pattern exam. Primitive reflexes should be absent. Use play-based techniques.', - components: [ - { name: 'Mental status and language', steps: [ - { label: 'Engagement', method: 'Interaction with examiner/parent', normal: 'Alert, interactive, age-appropriate' }, - { label: 'Language — expressive', method: 'Note spontaneous utterances', normal: '1y: 1–3 words; 2y: 2-word phrases; 3y: short sentences' }, - { label: 'Language — receptive', method: 'Ask to point to body parts or follow simple commands', normal: 'Follows age-appropriate commands' } - ], abnormalHints: ['Language regression (autism, epileptic encephalopathy)', 'Poor engagement', 'No 2-word phrases by 2y'] }, - - { name: 'Cranial nerves', steps: [ - { label: 'CN II — pupil response', method: 'Shine light each eye', normal: 'Pupils equal reactive' }, - { label: 'CN III, IV, VI — EOM', method: 'Follow toy in H pattern', normal: 'Full smooth tracking, no strabismus' }, - { label: 'CN V — facial sensation', method: 'Light touch on forehead, cheek, jaw', normal: 'Responds to touch, symmetric' }, - { label: 'CN VII — face', method: 'Elicit smile, watch eye closure during cry', normal: 'Symmetric face' }, - { label: 'CN IX, X, XII — mouth', method: 'Say "ahh"; stick out tongue', normal: 'Palate rises symmetrically; tongue midline' } - ], abnormalHints: ['Strabismus', 'Facial asymmetry', 'Tongue deviation', 'Absent palate elevation'] }, - - { name: 'Motor — tone and bulk', steps: [ - { label: 'Passive tone', method: 'Move each limb through full range', normal: 'Normal resistance throughout' }, - { label: 'Bulk inspection', method: 'Inspect muscle bulk of thighs, calves, glutes', normal: 'Symmetric, age-appropriate bulk' }, - { label: 'Contracture check', method: 'Test for heel-cord tightness, hamstring tightness', normal: 'No contractures' } - ], abnormalHints: ['Spasticity (especially catch in ankles)', 'Hypotonia', 'Calf pseudo-hypertrophy (DMD)'] }, - - { name: 'Motor — functional strength', steps: [ - { label: 'Rising from floor', method: 'Place flat on back; ask to stand up', normal: 'Rises without using hands to push off thighs (no Gowers)' }, - { label: 'Climbing stairs', method: 'Observe or history', normal: 'Climbs holding rail' }, - { label: 'Squatting/getting up', method: 'Encourage via play', normal: 'Squats and rises without help' } - ], abnormalHints: ['Gowers sign (proximal weakness — DMD)', 'Unable to climb stairs at age expected', 'Calf pain on walking (myositis)'] }, - - { name: 'Deep tendon reflexes', steps: [ - { label: 'Patellar', method: 'Sitting or supine with distraction (toy)', normal: '2+ symmetric' }, - { label: 'Biceps', method: 'Arm at rest, strike thumb on tendon', normal: '2+ symmetric' }, - { label: 'Achilles', method: 'With distraction', normal: '2+ symmetric' } - ], abnormalHints: ['Hyperreflexia or clonus (UMN, CP)', 'Absent reflexes (LMN, neuropathy)', 'Asymmetry'] }, - - { name: 'Coordination and gait', steps: [ - { label: 'Run', method: 'Watch run ~10 feet', normal: 'Runs with reciprocal arm swing by 2y' }, - { label: 'Stairs', method: 'Observe', normal: 'Climbs with rail' }, - { label: 'Kick ball', method: 'Place ball; observe kick', normal: 'Kicks by 2y' }, - { label: 'Ataxia check', method: 'Watch for fluency of movement', normal: 'Smooth, no tremor' } - ], abnormalHints: ['Ataxic gait', 'Intention tremor', 'Clumsiness beyond age'] }, - - { name: 'Plantar response', steps: [ - { label: 'Stroke lateral sole', method: 'Firm stroke from heel to toes', normal: 'Down-going great toe (plantar flexion) by age 2' } - ], abnormalHints: ['Up-going toe after age 2 = UMN sign (Babinski positive)'] } - ] - }, - resp: { - overview: 'Toddler respiratory disease: viral URIs, reactive airways, croup (6 mo–6 y classical age), foreign-body aspiration (age 1–3 is peak). Normal RR ≤ 40.', - components: [ - { name: 'Inspection', - pearl: 'Sudden onset of unilateral wheeze + choking history in a toddler = foreign body until proven otherwise. CXR in expiration (or decubitus) helps show the trapped air.', - steps: [ - { label: 'Respiratory rate', method: 'Count over full 60 s if possible.', normal: '≤ 40 /min' }, - { label: 'Work of breathing', method: 'Retractions, nasal flaring, tracheal tug.', normal: 'No retractions' }, - { label: 'Audible sounds', method: 'Stridor (croup), wheeze, barking cough.', normal: 'Quiet respirations' }, - { label: 'Drooling / posture', method: 'Tripod positioning, drooling (epiglottitis in unvaccinated child).', normal: 'No drooling, normal posture' } - ], - abnormalHints: ['Barking cough + stridor — croup', 'Drooling + tripod + toxic — epiglottitis (emergency)', 'Sudden unilateral wheeze — foreign body aspiration'] }, - { name: 'Auscultation', - steps: [ - { label: 'Air entry', method: 'Cooperation variable — listen quickly and systematically.', normal: 'Symmetric' }, - { label: 'Adventitious sounds', method: 'Wheeze, crackles, stridor at the neck.', normal: 'Clear lung fields' }, - { label: 'Unilateral findings', method: 'Focal wheeze, decreased air entry, or asymmetry — think foreign body or pneumonia.', normal: 'Symmetric bilateral' } - ], - abnormalHints: ['Unilateral decreased breath sounds + wheeze — foreign body', 'Focal crackles — pneumonia', 'Diffuse wheeze — asthma/RAD'] } - ] - }, - cv: { - overview: 'Most hemodynamically significant CHD has been detected by this age. Innocent murmurs peak here (Still\'s murmur, venous hum). The exam is adult-pattern but with smaller chest and less cooperation.', - components: [ - { name: 'Inspection and palpation', - pearl: 'Innocent murmurs are a normal finding in well toddlers — soft, systolic, at the LLSB, musical, and they change with position. Anything that doesn\'t fit that pattern deserves referral.', - steps: [ - { label: 'General appearance + growth', method: 'Happy, active, tracking growth.', normal: 'Normal growth and activity' }, - { label: 'Colour and clubbing', method: 'Inspect tongue, nail beds.', normal: 'Pink, no clubbing' }, - { label: 'Apex beat', method: 'Palpate at 5th ICS mid-clavicular line.', normal: 'Located at 5th ICS MCL, tapping quality' }, - { label: 'Peripheral pulses', method: 'Brachial + femoral, symmetric and simultaneous.', normal: 'Symmetric, no delay' } - ], - abnormalHints: ['Tiring with play, poor growth — missed CHD', 'Cyanosis + clubbing — cyanotic CHD', 'Absent femorals — coarctation'] }, - { name: 'Auscultation', - steps: [ - { label: 'All 5 classic points', method: 'See APTM diagram above — Aortic, Pulmonic, Erb\'s, Tricuspid, Mitral.', normal: 'Crisp S1, S2 with physiologic split at pulmonic area' }, - { label: 'Evaluate any murmur', method: 'Timing, location, radiation, grade. Apply the "7 S" innocent-murmur criteria.', normal: 'No murmur, or soft (≤ grade 2) innocent murmur' }, - { label: 'Change with position', method: 'Have toddler sit, stand, lie down — does the murmur change? Innocent murmurs typically disappear or soften with standing.', normal: 'Murmur (if any) changes with position' } - ], - abnormalHints: ['Harsh, loud (≥3/6), radiating, or diastolic murmur — not innocent, refer', 'Cyanosis + murmur — CHD workup', 'Fixed split S2 — ASD'] } - ] - } - }, - - preschool: { - label: 'Preschool (3–5 years)', - msk: { - overview: 'Functional gait maneuvers, scoliosis screen, resolving physiologic alignment.', - components: [ - { name: 'Gait — multiple patterns', steps: [ - { label: 'Normal gait', method: 'Walk ~15 feet barefoot', normal: 'Symmetric, smooth, reciprocal arm swing' }, - { label: 'Heel walking', method: 'Walk on heels only', normal: 'Able by 4y' }, - { label: 'Toe walking', method: 'Walk on toes only', normal: 'Able by 4y' }, - { label: 'Tandem walking', method: 'Heel-to-toe along a line for 5 steps', normal: 'Able by 4y with minimal deviation' }, - { label: 'Hopping', method: 'Hop on one foot', normal: '3–5 hops on preferred foot by 4y' } - ], abnormalHints: ['Persistent toe-walking', 'Asymmetric stance/stride', 'Difficulty with any pattern'] }, - - { name: 'Alignment', steps: [ - { label: 'Knee alignment', method: 'Stand feet together', normal: 'Mild residual valgus resolving; neutral by 6–7y' }, - { label: 'Foot arch', method: 'Standing, then tiptoe', normal: 'Arch forms on tiptoe (flexible flat foot)' }, - { label: 'Heel position', method: 'View from behind standing', normal: 'Neutral or mild valgus' } - ], abnormalHints: ['Persistent unilateral varum', 'Rigid flat foot (no arch on tiptoe)', 'Pes cavus'] }, - - { name: 'Scoliosis screen (Adam forward-bend)', steps: [ - { label: 'Position', method: 'Feet together, bend forward at waist, arms hanging, palms together', normal: 'Arms and head relaxed' }, - { label: 'View from behind', method: 'Examiner at same height; look along back', normal: 'Symmetric paraspinal contour' }, - { label: 'View from side', method: 'Side view for kyphosis', normal: 'Smooth thoracic curve' } - ], abnormalHints: ['Rib hump (thoracic scoliosis)', 'Lumbar prominence', 'Asymmetric scapular height'] }, - - { name: 'Joint range and stability', steps: [ - { label: 'Active range', method: 'Ask to perform full range at hips, knees, ankles, shoulders, elbows, wrists', normal: 'Full symmetric range, no pain' }, - { label: 'Knee stability', method: 'Palpate for effusion; assess stability if complaint', normal: 'Stable, no effusion' }, - { label: 'Carrying angle (elbows)', method: 'Arms at sides, palms forward', normal: 'Normal valgus carrying angle' } - ], abnormalHints: ['Joint hypermobility (Beighton score)', 'Effusion', 'Pain with motion', 'Valgus >15°'] }, - - { name: 'Feet', steps: [ - { label: 'Standing inspection', method: 'View from front and behind', normal: 'Symmetric feet, neutral heel, flexible flat feet common' }, - { label: 'Tiptoe', method: 'Stand on tiptoes', normal: 'Arch forms, symmetric' }, - { label: 'Pes planus vs cavus', method: 'Note arch height', normal: 'Flexible flat foot or mild arch' } - ], abnormalHints: ['Rigid flat foot', 'Pes cavus (Charcot-Marie-Tooth)', 'Pain'] } - ] - }, - neuro: { - overview: 'Formal pediatric neuro exam now feasible — most 4- and 5-year-olds cooperate with structured testing.', - components: [ - { name: 'Mental status and language', steps: [ - { label: 'Orientation (age-appropriate)', method: 'Ask name, age, where you are', normal: 'Knows name and age by 3y; location by 4–5y' }, - { label: 'Speech intelligibility', method: 'Listen to spontaneous speech', normal: 'Strangers understand by 4y' }, - { label: 'Receptive language', method: '2- and 3-step commands', normal: 'Follows 3-step commands by 4–5y' } - ], abnormalHints: ['Dysarthria', 'Expressive or receptive language delay', 'Inattention'] }, - - { name: 'Cranial nerves (II–XII)', steps: [ - { label: 'CN II — visual acuity', method: 'HOTV chart or pictures at 10ft, each eye', normal: '20/30 or better by 4y; 20/25 by 5y' }, - { label: 'CN II — visual fields', method: 'Confrontation with toys from periphery', normal: 'Full fields' }, - { label: 'CN II — pupils', method: 'Light response each eye', normal: 'PERRL' }, - { label: 'CN III, IV, VI — EOM', method: 'Follow toy in H pattern; include convergence', normal: 'Full EOM, convergence present' }, - { label: 'CN V — sensation', method: 'Light touch forehead, cheek, jaw each side', normal: 'Intact, symmetric' }, - { label: 'CN V — motor', method: 'Clench teeth, palpate masseter', normal: 'Symmetric strong bulk' }, - { label: 'CN VII — face', method: 'Smile, wrinkle forehead, close eyes, puff cheeks', normal: 'Symmetric movement of all regions' }, - { label: 'CN VIII — hearing', method: 'Finger rub each ear or whispered words', normal: 'Intact bilaterally' }, - { label: 'CN IX, X — palate', method: 'Open mouth, say "ahh"', normal: 'Palate rises symmetrically, uvula midline' }, - { label: 'CN XI — SCM/trapezius', method: 'Shrug shoulders, turn head against resistance', normal: 'Symmetric strength' }, - { label: 'CN XII — tongue', method: 'Stick tongue out, move side to side', normal: 'Midline, no atrophy, full movement' } - ], abnormalHints: ['Strabismus (amblyopia risk)', 'Facial weakness', 'Tongue deviation/fasciculations', 'Uvula off-midline'] }, - - { name: 'Motor — tone, bulk, strength', steps: [ - { label: 'Tone inspection', method: 'Passive range all four limbs', normal: 'Normal tone throughout' }, - { label: 'Bulk inspection', method: 'Observe muscle bulk symmetry', normal: 'Symmetric, age-appropriate' }, - { label: 'Strength — shoulder abduction', method: 'Arms out, push down against resistance', normal: '5/5 bilaterally' }, - { label: 'Strength — elbow flexion', method: 'Flex elbow against resistance', normal: '5/5 bilaterally' }, - { label: 'Strength — grip', method: 'Squeeze examiner\'s fingers', normal: '5/5 symmetric' }, - { label: 'Strength — hip flexion', method: 'Lift leg off table against resistance', normal: '5/5 bilaterally' }, - { label: 'Strength — knee extension', method: 'Straighten knee against resistance', normal: '5/5 bilaterally' }, - { label: 'Strength — dorsiflexion', method: 'Pull toes up against resistance', normal: '5/5 bilaterally' } - ], abnormalHints: ['Focal weakness', 'Gowers sign', 'Pseudohypertrophy (DMD)', 'Atrophy'] }, - - { name: 'Deep tendon reflexes', steps: [ - { label: 'Biceps', method: 'Thumb on biceps tendon, strike', normal: '2+ symmetric' }, - { label: 'Patellar', method: 'Knees hanging, strike patellar tendon', normal: '2+ symmetric' }, - { label: 'Achilles', method: 'Slight dorsiflexion, strike Achilles tendon', normal: '2+ symmetric' }, - { label: 'Plantar response', method: 'Stroke lateral sole heel-to-toes', normal: 'Down-going great toe' } - ], abnormalHints: ['Hyperreflexia or clonus (UMN)', 'Hyporeflexia (LMN)', 'Up-going plantar (Babinski — abnormal past 2y)', 'Asymmetry'] }, - - { name: 'Coordination', steps: [ - { label: 'Finger-to-nose', method: 'Touch examiner\'s finger then own nose, repeat', normal: 'Smooth, no dysmetria' }, - { label: 'Heel-to-shin', method: 'Run heel down opposite shin', normal: 'Smooth bilaterally' }, - { label: 'Rapid alternating movements', method: 'Tap palm with opposite hand alternating palm/back', normal: 'Rhythmic, symmetric' }, - { label: 'Tandem walk', method: 'Heel-to-toe for 5 steps', normal: 'Minimal deviation' } - ], abnormalHints: ['Dysmetria', 'Dysdiadochokinesia', 'Intention tremor', 'Ataxic tandem'] }, - - { name: 'Sensory', steps: [ - { label: 'Light touch — hands', method: 'Cotton wisp on palm/dorsum, eyes closed', normal: 'Feels each touch' }, - { label: 'Light touch — feet', method: 'Same on dorsum of foot bilaterally', normal: 'Feels each touch' } - ], abnormalHints: ['Focal sensory loss', 'Stocking-glove loss'] }, - - { name: 'Gait and Romberg', steps: [ - { label: 'Normal gait', method: 'Walk ~20 feet', normal: 'Smooth, symmetric' }, - { label: 'Heel walk', method: 'Walk on heels', normal: 'Able without difficulty' }, - { label: 'Toe walk', method: 'Walk on toes', normal: 'Able without difficulty' }, - { label: 'Tandem', method: 'Heel-to-toe', normal: 'Intact' }, - { label: 'Romberg (5y+)', method: 'Feet together, eyes closed, stand 10s', normal: 'Stable without sway' } - ], abnormalHints: ['Ataxic gait (cerebellar)', 'Romberg positive (dorsal column)', 'Circumduction (UMN)'] } - ] - }, - resp: { - overview: 'Adult-pattern but shorter. Cooperation better than toddler. RR ≤ 30. Common: asthma/RAD, pneumonia, URIs.', - components: [ - { name: 'Inspection', - steps: [ - { label: 'Respiratory rate', method: 'Count over full 60 s quietly.', normal: '≤ 30 /min' }, - { label: 'Work of breathing', method: 'Retractions, nasal flaring, accessory muscle use.', normal: 'Effortless breathing' }, - { label: 'Audible sounds', method: 'Wheeze, stridor, cough quality (barking = croup).', normal: 'Quiet' }, - { label: 'Chest shape', method: 'AP:transverse, hyperinflation signs.', normal: 'Not barrel-chested' } - ], - abnormalHints: ['Barrel chest — chronic asthma, cystic fibrosis', 'Retractions + wheeze — asthma exacerbation'] }, - { name: 'Auscultation', - steps: [ - { label: 'Systematic zones', method: 'Upper, mid, lower fields anteriorly and posteriorly; axillae bilaterally. Cooperative deep breaths through mouth.', normal: 'Symmetric vesicular sounds' }, - { label: 'Wheeze', method: 'Expiratory, diffuse (asthma) or focal (foreign body, rare at this age).', normal: 'No wheeze' }, - { label: 'Crackles', method: 'Focal = pneumonia; diffuse fine = interstitial disease (rare in kids).', normal: 'No crackles' } - ], - abnormalHints: ['Focal crackles + fever — pneumonia', 'Diffuse wheeze — asthma', 'Prolonged expiration with wheeze — lower airway obstruction'] } - ] - }, - cv: { - overview: 'Most CHD is detected by this age. Innocent murmurs peak in this range. Sports participation exams require thorough CV screening.', - components: [ - { name: 'Inspection and palpation', - steps: [ - { label: 'General and growth', method: 'Track on growth curve; activity tolerance.', normal: 'Normal growth, active' }, - { label: 'Apex beat', method: '5th ICS mid-clavicular line.', normal: 'Normal position and character' }, - { label: 'Peripheral pulses', method: 'Brachial + femoral simultaneously. BP in arm and leg if HTN.', normal: 'Symmetric, no delay' } - ], - abnormalHints: ['Absent femorals or arm-leg BP gradient — coarctation (always check in HTN screening)', 'Displaced apex — cardiomegaly'] }, - { name: 'Auscultation', - pearl: 'The 7 "S" criteria and the 5 classic innocent murmurs (see panel above) handle most murmurs you\'ll find in this age group. Still\'s murmur is the single most common.', - steps: [ - { label: 'All 5 classic points', method: 'Walk through A → P → E → T → M with diaphragm then bell.', normal: 'S1 S2 clear, physiologic S2 split at pulmonic, no added sounds' }, - { label: 'Any murmur', method: 'Characterise: timing, location, radiation, grade, character. Apply 7 S criteria + compare to innocent-murmur panel.', normal: 'No murmur, or innocent flow murmur meeting all 7 S criteria' }, - { label: 'Position change', method: 'Standing vs supine. Innocent murmurs typically soften or disappear on standing.', normal: 'Murmur (if any) changes with position' }, - { label: 'Sports screening extras (if applicable)', method: 'Screen for HOCM — murmur intensifies with Valsalva and standing (opposite of most).', normal: 'No murmur worsening on Valsalva' } - ], - abnormalHints: ['Murmur breaking any of the 7 S criteria — refer', 'Harsh systolic at LUSB + fixed split S2 — ASD', 'Murmur louder with Valsalva — HOCM (sports participation risk)', 'Diastolic murmur — always pathologic'] } - ] - } - }, - - school: { - label: 'School-age (6–11 years)', - msk: { - overview: 'Scoliosis screening peri-puberty, sports overuse injuries, resolving alignment.', - components: [ - { name: 'Scoliosis screen (forward-bend + scoliometer)', steps: [ - { label: 'Standing inspection', method: 'Shoulders and iliac crest heights', normal: 'Symmetric shoulder and pelvic heights' }, - { label: 'Forward bend (Adam test)', method: 'Feet together, bend forward at waist, arms hanging palms together', normal: 'Symmetric paraspinal contour' }, - { label: 'Rib hump', method: 'View tangentially from behind at level of curve', normal: 'No rib hump' }, - { label: 'Lumbar prominence', method: 'Same view at lumbar level', normal: 'No prominence' }, - { label: 'Scoliometer (if available)', method: 'Place scoliometer across rib hump, read angle of trunk rotation', normal: 'ATR < 5°; ≥7° → refer' } - ], abnormalHints: ['Rib hump', 'ATR ≥7°', 'Asymmetric shoulders or pelvis', 'Decompensation (plumb line offset)'] }, - - { name: 'Back and spine', steps: [ - { label: 'Posture inspection', method: 'Standing, view front/back/side', normal: 'Normal spinal curves; plumb line centered' }, - { label: 'Palpate spinous processes', method: 'From C2 to S1', normal: 'No tenderness, no step-off' }, - { label: 'Range of motion', method: 'Flex, extend, lateral bend, rotate', normal: 'Full painless range' } - ], abnormalHints: ['Midline tenderness', 'Step-off (spondylolisthesis)', 'Limited motion with pain'] }, - - { name: 'Alignment', steps: [ - { label: 'Knees', method: 'Feet together, inspect', normal: 'Neutral alignment by 6–7y' }, - { label: 'Feet', method: 'Stand, then tiptoes', normal: 'Medial arch present, symmetric' }, - { label: 'Leg lengths', method: 'Supine, measure ASIS to medial malleolus if asymmetric', normal: 'Equal within 1cm' } - ], abnormalHints: ['Residual valgum', 'Pes cavus', 'Leg-length discrepancy >1cm'] }, - - { name: 'Joint stability and sports exam (if active)', steps: [ - { label: 'Active range all joints', method: 'Through full range', normal: 'Full symmetric range, no pain or crepitus' }, - { label: 'Knee — Lachman (if sports-active)', method: 'Knee 20° flexion, stabilize femur, pull tibia forward', normal: 'Firm endpoint, no laxity' }, - { label: 'Knee — McMurray', method: 'Flexed knee, rotate tibia while extending', normal: 'No pain or click' }, - { label: 'Shoulder — impingement (Neer/Hawkins)', method: 'Passive shoulder flexion with arm in internal rotation', normal: 'No pain' }, - { label: 'Ankle stability', method: 'Anterior drawer and talar tilt', normal: 'No laxity' } - ], abnormalHints: ['ACL laxity (positive Lachman)', 'Meniscal click', 'Shoulder impingement', 'Ankle instability'] }, - - { name: 'Gait and functional movement', steps: [ - { label: 'Normal gait', method: 'Walk 20 feet', normal: 'Smooth, symmetric' }, - { label: 'Single-leg stance', method: 'Stand on one foot 10s each side', normal: 'Stable without Trendelenburg drop' }, - { label: 'Squat', method: 'Full squat and rise', normal: 'Full squat without pain or asymmetry' }, - { label: 'Hop on one foot', method: '5 hops each side', normal: 'Able and symmetric' } - ], abnormalHints: ['Trendelenburg sign (hip abductor weakness)', 'Antalgic gait', 'Asymmetric squat', 'Pain with hop'] } - ] - }, - neuro: { - overview: 'Adult-pattern six-component exam: mental status, CN, motor, reflexes, sensory, coordination/gait.', - components: [ - { name: 'Mental status', steps: [ - { label: 'Orientation', method: 'Name, age, school, city, day of week', normal: 'Oriented x 4' }, - { label: 'Attention', method: 'Count backward from 20; days of week backward', normal: 'Intact' }, - { label: '3-item recall', method: 'Ball-flag-tree; ask at 3 and 5 min', normal: '3/3 recall at 5 min' }, - { label: 'Language', method: 'Name common objects; repeat a sentence', normal: 'Fluent, no paraphasia' } - ], abnormalHints: ['Inattention (ADHD features)', 'Memory deficits', 'Word-finding difficulty', 'Perseveration'] }, - - { name: 'Cranial nerves (II–XII)', steps: [ - { label: 'CN II — acuity', method: 'Snellen at 20ft each eye with corrective lenses if worn', normal: '20/20 or baseline' }, - { label: 'CN II — fields', method: 'Confrontation, 4 quadrants each eye', normal: 'Full fields' }, - { label: 'CN II — fundoscopy (if indicated)', method: 'Direct ophthalmoscopy — disc, vessels, macula', normal: 'Sharp disc, normal cup-disc ratio, no papilledema' }, - { label: 'CN II, III — pupils', method: 'Direct and consensual light, accommodation', normal: 'PERRLA' }, - { label: 'CN III, IV, VI — EOM', method: 'Follow finger in H pattern; convergence', normal: 'Full EOM, no nystagmus, convergence intact' }, - { label: 'CN V — sensation', method: 'Light touch V1 (forehead), V2 (cheek), V3 (jaw) each side', normal: 'Intact, symmetric' }, - { label: 'CN V — motor', method: 'Clench teeth, palpate masseter/temporalis; jaw opening', normal: 'Symmetric strength' }, - { label: 'CN VII', method: 'Raise eyebrows, close eyes tight, smile/show teeth, puff cheeks', normal: 'Symmetric movement, all regions' }, - { label: 'CN VIII', method: 'Finger rub each ear; Weber/Rinne if deficit', normal: 'Hears bilaterally' }, - { label: 'CN IX, X', method: 'Palate elevation with "ahh"; uvula midline; voice quality', normal: 'Symmetric elevation, uvula midline, normal voice' }, - { label: 'CN XI', method: 'Shrug shoulders against resistance; head turn against resistance', normal: '5/5 SCM and trapezius' }, - { label: 'CN XII', method: 'Stick tongue out; side-to-side', normal: 'Midline, no atrophy or fasciculations' } - ], abnormalHints: ['Papilledema (increased ICP)', 'Focal cranial nerve deficit — any warrants workup', 'Tongue fasciculations (LMN/MND)'] }, - - { name: 'Motor — bulk, tone, strength', steps: [ - { label: 'Bulk inspection', method: 'Shoulders, thighs, calves, intrinsic hand muscles', normal: 'Symmetric, no atrophy' }, - { label: 'Tone', method: 'Passive range at elbows, wrists, knees, ankles', normal: 'Normal resistance throughout' }, - { label: 'Strength — deltoids', method: 'Shoulder abduction against resistance', normal: '5/5 bilaterally' }, - { label: 'Strength — biceps', method: 'Elbow flexion against resistance', normal: '5/5' }, - { label: 'Strength — triceps', method: 'Elbow extension against resistance', normal: '5/5' }, - { label: 'Strength — grip', method: 'Squeeze 2 fingers', normal: '5/5 symmetric' }, - { label: 'Strength — finger abduction', method: 'Spread fingers against resistance', normal: '5/5' }, - { label: 'Strength — hip flexion', method: 'Lift leg supine against resistance', normal: '5/5' }, - { label: 'Strength — knee extension', method: 'Straighten knee against resistance', normal: '5/5' }, - { label: 'Strength — dorsiflexion', method: 'Pull toes up against resistance', normal: '5/5' }, - { label: 'Strength — plantarflexion', method: 'Push foot down against resistance', normal: '5/5' } - ], abnormalHints: ['Focal weakness (localize)', 'Spasticity (UMN)', 'Atrophy', 'Fasciculations'] }, - - { name: 'Deep tendon reflexes', steps: [ - { label: 'Biceps (C5-C6)', method: 'Thumb on tendon, strike', normal: '2+ symmetric' }, - { label: 'Triceps (C7-C8)', method: 'Strike triceps tendon', normal: '2+ symmetric' }, - { label: 'Brachioradialis (C5-C6)', method: 'Strike distal radius', normal: '2+ symmetric' }, - { label: 'Patellar (L3-L4)', method: 'Knees hanging, strike tendon', normal: '2+ symmetric' }, - { label: 'Achilles (S1)', method: 'Slight dorsiflexion, strike tendon', normal: '2+ symmetric' }, - { label: 'Plantar response', method: 'Stroke lateral sole heel-to-toes', normal: 'Down-going bilaterally' }, - { label: 'Clonus', method: 'Rapid dorsiflexion at ankle', normal: 'No sustained clonus' } - ], abnormalHints: ['Hyperreflexia with clonus (UMN: stroke, MS, cord lesion)', 'Hyporeflexia (LMN, neuropathy, myopathy)', 'Asymmetry', 'Up-going Babinski', 'Sustained clonus'] }, - - { name: 'Sensory', steps: [ - { label: 'Light touch — upper', method: 'Cotton wisp dorsum of hands, eyes closed', normal: 'Intact, symmetric' }, - { label: 'Light touch — lower', method: 'Same on dorsum of feet', normal: 'Intact, symmetric' }, - { label: 'Pain — upper', method: 'Broken Q-tip or pin on hands', normal: 'Intact, symmetric' }, - { label: 'Pain — lower', method: 'Same on feet', normal: 'Intact, symmetric' }, - { label: 'Vibration', method: '128 Hz tuning fork at distal IP joint of great toes', normal: 'Feels vibration; counts down seconds' }, - { label: 'Proprioception', method: 'Move great toe up/down with eyes closed', normal: 'Identifies direction correctly' } - ], abnormalHints: ['Dermatomal loss (nerve root)', 'Stocking-glove (neuropathy)', 'Loss of vibration/proprioception (dorsal column — B12, tabes, MS)'] }, - - { name: 'Coordination', steps: [ - { label: 'Finger-nose-finger', method: 'Touch examiner finger then own nose, examiner moves target', normal: 'Smooth, accurate, no dysmetria' }, - { label: 'Heel-to-shin', method: 'Supine: heel down opposite shin', normal: 'Smooth, on-target' }, - { label: 'Rapid alternating movements', method: 'Supinate/pronate hand on knee rapidly', normal: 'Rhythmic, symmetric' }, - { label: 'Fine motor', method: 'Finger tapping (thumb to each finger in sequence)', normal: 'Rhythmic, accurate' } - ], abnormalHints: ['Dysmetria (past-pointing, overshoot)', 'Intention tremor', 'Dysdiadochokinesia'] }, - - { name: 'Gait and Romberg', steps: [ - { label: 'Normal gait', method: 'Walk 20 feet', normal: 'Narrow-based, smooth, reciprocal arm swing' }, - { label: 'Heel walk', method: 'Walk on heels', normal: 'Able without difficulty' }, - { label: 'Toe walk', method: 'Walk on toes', normal: 'Able without difficulty' }, - { label: 'Tandem', method: 'Heel-to-toe along a line', normal: 'Minimal deviation, 10+ steps' }, - { label: 'Romberg', method: 'Feet together, eyes closed, 30s', normal: 'Stable without fall or significant sway' } - ], abnormalHints: ['Wide-based (cerebellar)', 'Steppage (peripheral neuropathy)', 'Scissoring (UMN)', 'Romberg positive (dorsal column)', 'Circumduction'] } - ] - }, - resp: { - overview: 'Nearly adult-pattern. Exam the same as adolescent with slightly more flexibility in cooperation. RR ≤ 30 in younger school-age, ≤ 20 in older. Sports history relevant (exercise-induced asthma).', - components: [ - { name: 'Inspection', - steps: [ - { label: 'Respiratory rate', method: 'Count over 60 s.', normal: '≤ 30 (6–11 y)' }, - { label: 'Work of breathing', method: 'Retractions, accessory muscles.', normal: 'Effortless' }, - { label: 'Audible sounds', method: 'Listen for wheeze, stridor.', normal: 'Quiet' }, - { label: 'Chest shape', method: 'Barrel chest, pectus deformities.', normal: 'Normal shape' }, - { label: 'Clubbing', method: 'Schamroth window test.', normal: 'No clubbing' } - ], - abnormalHints: ['Clubbing — CF, chronic hypoxemia, bronchiectasis', 'Barrel chest — chronic asthma, CF'] }, - { name: 'Palpation and percussion', - steps: [ - { label: 'Tracheal position', method: 'Middle finger in suprasternal notch.', normal: 'Midline' }, - { label: 'Chest expansion', method: 'Hands laterally, thumbs meeting at spine. Deep breath.', normal: 'Symmetric 3–5 cm' }, - { label: 'Tactile fremitus', method: 'Ulnar side of hand; "ninety-nine". Compare sides.', normal: 'Symmetric' }, - { label: 'Percussion', method: 'Pleximeter + plexor technique. Compare sides.', normal: 'Resonant throughout' } - ], - abnormalHints: ['Deviated trachea — pneumothorax, effusion, collapse', 'Dull percussion — consolidation, effusion', 'Hyper-resonant — pneumothorax, hyperinflation'] }, - { name: 'Auscultation', - steps: [ - { label: 'Systematic zones', method: 'Six anterior + four lateral + six posterior zones, compare side-to-side.', normal: 'Symmetric vesicular sounds' }, - { label: 'Adventitious sounds', method: 'Wheeze, crackles, rhonchi, rub, stridor at neck. Use sounds library for reference.', normal: 'No added sounds' }, - { label: 'Cough re-listen', method: 'Secretions (rhonchi, coarse crackles) should clear; fibrosis crackles do not.', normal: 'Secretion-based sounds clear with cough' } - ], - abnormalHints: ['Focal crackles + fever — pneumonia', 'Diffuse fine crackles — early interstitial disease', 'Expiratory wheeze — asthma / RAD'] } - ] - }, - cv: { - overview: 'Nearly adult-pattern. Sports participation screening is a key indication in this age. HOCM screening (family history of sudden cardiac death, exertional syncope, murmur louder with Valsalva) is specifically relevant.', - components: [ - { name: 'Inspection and palpation', - pearl: 'For sports participation exams, always ask about exertional symptoms (syncope, chest pain, unexpected fatigue) AND family history of sudden cardiac death before age 50. Screening exam alone catches only ~3% of HOCM.', - steps: [ - { label: 'General and growth', method: 'Track on growth curve; review activity tolerance.', normal: 'Normal growth, age-appropriate activity' }, - { label: 'Colour and clubbing', method: 'Inspect mucous membranes and nail beds.', normal: 'Pink, no clubbing' }, - { label: 'Apex beat', method: 'Palpate at 5th ICS mid-clavicular line.', normal: 'Normal position, tapping character' }, - { label: 'Peripheral pulses', method: 'Simultaneous brachial + femoral.', normal: 'Symmetric, no delay' }, - { label: 'Blood pressure', method: 'Measure BP with appropriately sized cuff. If elevated, check both arms and one leg.', normal: 'Age-appropriate (< 120/80 roughly by 10+ years)' } - ], - abnormalHints: ['Exertional syncope — HOCM, arrhythmia, LQTS', 'BP differential — coarctation', 'Displaced apex — cardiomegaly'] }, - { name: 'Auscultation', - steps: [ - { label: 'All 5 classic points', method: 'See APTM diagram. A → P → E → T → M with diaphragm and bell.', normal: 'S1, S2 clear with physiologic split at P, no added sounds' }, - { label: 'Grade any murmur', method: 'Levine 1–6 (see scales above); characterise timing, location, radiation.', normal: 'No murmur, or innocent flow murmur meeting all 7 S criteria' }, - { label: 'Innocent vs pathologic', method: 'Apply 7 S criteria; compare to innocent-murmur panel.', normal: 'Innocent murmur (if present) clearly fits all 7 S features' }, - { label: 'Dynamic maneuvers', method: 'Standing: HOCM louder; most others soften. Valsalva: HOCM louder.', normal: 'Murmur (if any) softens on standing and Valsalva' } - ], - abnormalHints: ['Murmur louder with Valsalva / standing — HOCM (sports disqualification considerations)', 'Any diastolic murmur', 'Murmur ≥ grade 3, radiating, or with thrill'] } - ] - } - }, - - adolescent: { - label: 'Adolescent (12–21 years)', - msk: { - overview: 'Sports-related injuries, adolescent scoliosis, apophyseal overuse, hypermobility screening.', - components: [ - { name: 'Scoliosis screen', steps: [ - { label: 'Standing inspection', method: 'Patient undressed to waist (keep privacy); compare shoulders, iliac crests, scapular heights', normal: 'Symmetric shoulders and pelvis' }, - { label: 'Forward bend (Adam)', method: 'Feet together, bend forward, arms hanging palms together', normal: 'Symmetric paraspinal contour' }, - { label: 'Scoliometer', method: 'Place across thoracic and lumbar regions at maximum prominence', normal: 'ATR <5°; 5–6° monitor; ≥7° refer' }, - { label: 'Plumb line check', method: 'Drop plumb from C7; note where it falls', normal: 'Passes through gluteal cleft (compensated)' }, - { label: 'Leg lengths', method: 'Supine; ASIS to medial malleolus each side', normal: 'Within 1cm' } - ], abnormalHints: ['Rib/lumbar hump', 'ATR ≥7°', 'Decompensation (plumb off gluteal cleft)', 'Leg-length discrepancy driving apparent curve'] }, - - { name: 'Back pain evaluation (if complaint)', steps: [ - { label: 'Inspect and palpate', method: 'Spinous processes, paraspinal muscles, SI joints', normal: 'Non-tender' }, - { label: 'Range of motion', method: 'Flex, extend, lateral bend, rotate', normal: 'Full painless range' }, - { label: 'Single-leg hyperextension (stork)', method: 'Stand on one foot, extend back — each side', normal: 'No pain (negative for spondylolysis)' }, - { label: 'Straight-leg raise', method: 'Supine, lift straight leg to 70°+', normal: 'No radicular pain to 70°' }, - { label: 'SI joint tests', method: 'FABER, SI compression', normal: 'No pain' } - ], abnormalHints: ['Spondylolysis (positive stork test)', 'Radicular pain (disc herniation)', 'SI joint pathology', 'Inflammatory back pain pattern'] }, - - { name: 'Joint stability — sports-specific', steps: [ - { label: 'Knee — Lachman', method: 'Knee 20° flexion, stabilize femur, pull tibia anteriorly', normal: 'Firm endpoint, no laxity (ACL intact)' }, - { label: 'Knee — anterior drawer', method: 'Knee 90°, pull tibia forward', normal: 'No excess anterior translation' }, - { label: 'Knee — varus/valgus stress', method: 'Stress at 0 and 30° flexion', normal: 'No gap opening (LCL/MCL intact)' }, - { label: 'Knee — McMurray', method: 'Flex, rotate tibia while extending', normal: 'No pain or click' }, - { label: 'Shoulder — apprehension', method: 'Abduct and externally rotate', normal: 'No apprehension' }, - { label: 'Shoulder — Neer/Hawkins', method: 'Passive flexion with internal rotation', normal: 'No pain' }, - { label: 'Ankle — anterior drawer', method: 'Pull heel forward with tibia stabilized', normal: 'No laxity' }, - { label: 'Ankle — talar tilt', method: 'Invert heel with tibia stabilized', normal: 'No excess tilt' } - ], abnormalHints: ['ACL/PCL tear', 'MCL/LCL laxity', 'Meniscal injury', 'Shoulder instability/impingement', 'Ankle ligament laxity'] }, - - { name: 'Apophysitis and overuse screen', steps: [ - { label: 'Tibial tubercle', method: 'Palpate with knee flexed', normal: 'Non-tender' }, - { label: 'Calcaneal apophysis', method: 'Palpate posterior calcaneus', normal: 'Non-tender' }, - { label: 'Iliac apophyses', method: 'Palpate ASIS, AIIS, iliac crest', normal: 'Non-tender' }, - { label: 'Rotator cuff', method: 'Empty-can (Jobe) test', normal: 'No pain or weakness' } - ], abnormalHints: ['Osgood-Schlatter (tibial tubercle tender)', 'Sever (calcaneal tender)', 'Iliac apophysitis', 'Rotator cuff tendinopathy'] }, - - { name: 'Hypermobility screen (Beighton)', steps: [ - { label: 'Fifth finger extension', method: 'Passive extension of fifth MCP to >90°', normal: 'No hyperextension (1 pt each side if positive)' }, - { label: 'Thumb to forearm', method: 'Passive flexion of thumb to touch forearm', normal: 'Does not reach (1 pt each side if positive)' }, - { label: 'Elbow hyperextension', method: 'Hyperextension >10°', normal: 'No hyperextension (1 pt each side if positive)' }, - { label: 'Knee hyperextension', method: 'Hyperextension >10°', normal: 'No hyperextension (1 pt each side if positive)' }, - { label: 'Palms to floor', method: 'Feet together, bend forward, palms flat on floor with knees straight', normal: 'Cannot reach (1 pt if positive)' } - ], abnormalHints: ['Beighton ≥5/9 suggests hypermobility spectrum (hEDS workup if with other features)'] }, - - { name: 'Alignment and gait', steps: [ - { label: 'Standing alignment', method: 'View knees, feet', normal: 'Neutral alignment, medial arch' }, - { label: 'Normal gait', method: 'Walk 20 feet', normal: 'Symmetric, smooth' }, - { label: 'Functional movements', method: 'Squat, single-leg stance, hop', normal: 'Full symmetric function' } - ], abnormalHints: ['Antalgic gait', 'Trendelenburg', 'Asymmetric squat'] } - ] - }, - neuro: { - overview: 'Full adult-pattern neuro exam across six pillars: mental status, cranial nerves, motor, reflexes, sensory, coordination/gait. In adolescents, screen concussion sequelae if sports-active; frontal release signs must be absent.', - components: [ - { name: 'Mental status', - significance: 'Detects cognitive change (concussion, substance use, mood disorder, rare neurodegenerative disease).', - pearl: 'Attention precedes memory. A patient who can\'t attend (serial 7s, months backward) will fail memory even with intact hippocampus — distinguish before calling it a memory problem.', - steps: [ - { label: 'Orientation', method: 'Name, age, date, location, situation', normal: 'Oriented x 4' }, - { label: 'Attention', method: 'Count backward from 100 by 7s (serial 7s) or months of year backward', normal: 'Intact' }, - { label: 'Short-term memory', method: '3-item registration and recall at 5 min', normal: '3/3 recall' }, - { label: 'Language', method: 'Object naming; sentence repetition; reading; writing', normal: 'Fluent, no paraphasia, comprehends written and spoken' }, - { label: 'Executive function', method: 'Similarities (apple/orange); interpret proverb', normal: 'Abstract, age-appropriate' } - ], abnormalHints: ['Post-concussion cognitive changes', 'Mood or personality changes', 'Subtle executive dysfunction', 'Word-finding difficulty'] }, - - { name: 'Cranial nerves (II–XII, full formal exam)', - significance: 'Localises brainstem, base-of-skull, and specific nerve pathology. Subtle deficits (RAPD, mild facial weakness, Horner) are easily missed — exam discipline matters.', - pearl: 'The fastest screen for a CN deficit is asking the patient to speak, smile, look around, and swallow water. What\'s preserved in everyday function tells you what\'s likely intact — then examine formally to confirm and to catch the subtle.', - steps: [ - { label: 'CN I (if indicated)', method: 'Coffee or cinnamon each nostril separately', normal: 'Identifies both' }, - { label: 'CN II — acuity', method: 'Snellen at 20ft each eye; corrective lenses if worn', normal: '20/20 or baseline' }, - { label: 'CN II — fields', method: 'Confrontation, 4 quadrants each eye', normal: 'Full fields' }, - { label: 'CN II — fundoscopy', method: 'Direct ophthalmoscopy — disc, vessels, macula', normal: 'Sharp disc, normal cup/disc, no papilledema' }, - { label: 'CN II, III — pupils', method: 'Direct, consensual, swinging flashlight, accommodation', normal: 'PERRLA, no RAPD' }, - { label: 'CN III, IV, VI — EOM', method: 'H pattern, convergence, note nystagmus or ptosis', normal: 'Full conjugate movement, no nystagmus, convergence intact' }, - { label: 'CN V — sensation', method: 'Light touch V1, V2, V3 each side', normal: 'Intact, symmetric' }, - { label: 'CN V — motor', method: 'Clench jaw, palpate masseter/temporalis; lateral jaw movement', normal: 'Symmetric strength and bulk' }, - { label: 'CN V — corneal reflex (if indicated)', method: 'Cotton wisp to cornea', normal: 'Blinks bilaterally' }, - { label: 'CN VII', method: 'Wrinkle forehead, close eyes against resistance, smile/bare teeth, puff cheeks', normal: 'Symmetric all four movements' }, - { label: 'CN VIII — hearing', method: 'Finger rub each ear; Weber (midline) + Rinne (air > bone) if deficit', normal: 'Equal bilaterally' }, - { label: 'CN IX, X', method: 'Palate elevation with "ahh"; uvula midline; voice; gag (if indicated)', normal: 'Symmetric palate, uvula midline, normal voice' }, - { label: 'CN XI', method: 'Shoulder shrug and head turn against resistance', normal: '5/5 SCM and trapezius bilaterally' }, - { label: 'CN XII', method: 'Tongue protrusion, side to side; inspect for fasciculations/atrophy', normal: 'Midline, no atrophy or fasciculations, full movement' } - ], abnormalHints: ['Any focal cranial nerve deficit', 'Papilledema', 'RAPD', 'Nystagmus', 'Facial asymmetry', 'Tongue deviation'] }, - - { name: 'Motor — bulk, tone, strength', - significance: 'Localises lesion to UMN vs LMN vs muscle vs junction. Pattern of weakness (proximal vs distal, symmetric vs focal) narrows differential.', - pearl: 'Pronator drift is the most sensitive screen for subtle UMN weakness — a normal-feeling arm that drifts down with eyes closed still has corticospinal tract dysfunction. Always do it even when formal strength is 5/5.', - steps: [ - { label: 'Bulk inspection', method: 'Inspect shoulders, biceps, thighs, calves, dorsal interossei (between metacarpals) of hands.', normal: 'Symmetric bulk; no atrophy, no pseudohypertrophy' }, - { label: 'Tone — upper', method: 'Passive flex-extend elbow and pronate-supinate wrist at slow then quick speeds. Then pronator drift: arms outstretched, palms up, eyes closed for 10 s.', normal: 'Smooth passive range; no drift, no pronation of the outstretched hand' }, - { label: 'Tone — lower', method: 'Passive knee flexion-extension; quick ankle dorsiflexion to check for catch. Heel-slap test: roll thigh and watch for ankle swing.', normal: 'Normal resistance, no catch, symmetric' }, - { label: 'Strength — deltoid (C5)', method: 'Patient abducts both arms to 90°. Examiner pushes down on each arm just above the elbow while patient resists. Compare sides.', normal: 'Holds against full resistance — MRC 5/5 bilaterally' }, - { label: 'Strength — biceps (C5–C6)', method: 'Elbow flexed 90°, supinated. Examiner grasps wrist and pulls to extend while patient resists.', normal: 'Holds against full resistance — 5/5' }, - { label: 'Strength — triceps (C7)', method: 'Elbow flexed 90°. Examiner pushes wrist toward shoulder while patient extends against resistance.', normal: 'Extends against full resistance — 5/5' }, - { label: 'Strength — wrist extension (C6–C7)', method: 'Patient makes fist, extends wrist. Examiner pushes down on knuckles while patient holds wrist up.', normal: 'Holds against full resistance — 5/5' }, - { label: 'Strength — finger flexion / grip (C8)', method: 'Patient grips two of examiner\'s crossed fingers as hard as possible. Compare sides.', normal: 'Strong symmetric grip — 5/5' }, - { label: 'Strength — finger abduction (T1)', method: 'Patient spreads fingers wide. Examiner squeezes index and little fingers together while patient resists.', normal: 'Holds fingers apart — 5/5' }, - { label: 'Strength — hip flexion (L2–L3)', method: 'Supine. Patient lifts straight leg 30° off table. Examiner pushes down on thigh just above knee while patient resists.', normal: 'Holds thigh up against full resistance — 5/5' }, - { label: 'Strength — knee extension (L3–L4)', method: 'Sitting, knee 90°. Patient straightens knee while examiner pushes distal shin down.', normal: 'Extends against full resistance — 5/5' }, - { label: 'Strength — ankle dorsiflexion (L4–L5)', method: 'Patient pulls toes and foot up toward shin. Examiner pushes foot down at the dorsum.', normal: 'Holds dorsiflexion against full resistance — 5/5; preserved heel-walk' }, - { label: 'Strength — great toe extension (L5)', method: 'Patient extends great toe up while examiner pushes it down with thumb.', normal: 'Holds against full resistance — 5/5 (classic L5 test)' }, - { label: 'Strength — ankle plantarflexion (S1)', method: 'Patient pushes foot down against examiner\'s hand at the ball. OR ask patient to toe-walk 10 steps (more sensitive — unilateral plantarflexion weakness shows immediately).', normal: 'Full power; toe-walks symmetrically — 5/5' } - ], abnormalHints: ['Focal weakness → localise by myotome', 'Pronator drift (subtle UMN, always check even with 5/5)', 'Spasticity / catch (UMN)', 'Atrophy (LMN, disuse)', 'Fasciculations (MND, ALS)', 'Pseudohypertrophy of calves (DMD in a young male)'] }, - - { name: 'Deep tendon reflexes', - significance: 'Reflex pattern (increased, decreased, asymmetric) localises UMN vs LMN vs root vs peripheral nerve. Inexpensive and fast, but asymmetry is the most informative finding.', - pearl: 'A reinforced reflex is still a reflex. If you can\'t elicit it initially, use Jendrassik (teeth clench or pull interlocked fingers apart) to boost — absent reflexes without reinforcement aren\'t truly absent.', - steps: [ - { label: 'Biceps (C5–C6)', method: 'Patient\'s arm relaxed across lap. Examiner places thumb firmly on biceps tendon at the cubital fossa, strikes thumb with reflex hammer. Compare both sides sequentially.', normal: '2+ symmetric — visible contraction of biceps, slight elbow flexion' }, - { label: 'Brachioradialis (C5–C6)', method: 'Arm relaxed. Strike the distal radius about 3 cm proximal to the wrist, on its radial (thumb) side.', normal: '2+ symmetric — elbow flexion and slight forearm supination' }, - { label: 'Triceps (C7)', method: 'Support the patient\'s arm at the wrist with elbow at 90°. Strike the triceps tendon just above the olecranon.', normal: '2+ symmetric — triceps contraction, slight elbow extension' }, - { label: 'Finger flexors — Hoffmann sign', method: 'Grasp the middle finger\'s distal phalanx, flick it downward quickly and release. Watch the thumb and index finger.', normal: 'Negative — no thumb flexion, no index flexion (positive = corticospinal tract dysfunction)' }, - { label: 'Patellar (L3–L4)', method: 'Patient sits with knees hanging freely off the table. Strike the patellar tendon just below the patella.', normal: '2+ symmetric — quadriceps contraction with knee extension' }, - { label: 'Achilles (S1)', method: 'Patient\'s knee slightly flexed and leg externally rotated, or kneeling on a chair. Slightly dorsiflex the foot and strike the Achilles tendon.', normal: '2+ symmetric — plantar flexion of the foot' }, - { label: 'Plantar response (Babinski)', method: 'Stroke the lateral aspect of the sole firmly from the heel toward the little toe, then curve across the ball of the foot.', normal: 'Toes flex downward (plantar flexion, "down-going") bilaterally in anyone ≥ 2 years' }, - { label: 'Ankle clonus', method: 'Knee slightly bent. Support the shin with one hand, quickly and sharply dorsiflex the foot with the other, hold in dorsiflexion.', normal: '≤ 3 non-sustained beats is acceptable; sustained rhythmic oscillation = pathological clonus (UMN)' } - ], abnormalHints: ['Hyperreflexia + sustained clonus = UMN (MS, myelopathy, cord lesion, stroke)', 'Symmetric hyporeflexia = peripheral polyneuropathy, GBS, myopathy, hypothyroid, B12 deficiency', 'Asymmetric hyporeflexia = radiculopathy at that segment', 'Hoffmann positive = corticospinal tract dysfunction at cervical cord or above', 'Up-going Babinski after age 2 = UMN (always abnormal)'] }, - - { name: 'Sensory', steps: [ - { label: 'Light touch — upper', method: 'Cotton wisp, dorsum of hands, eyes closed', normal: 'Intact, symmetric' }, - { label: 'Light touch — lower', method: 'Dorsum of feet', normal: 'Intact, symmetric' }, - { label: 'Pain — upper', method: 'Broken Q-tip sharp end, hands', normal: 'Intact, symmetric' }, - { label: 'Pain — lower', method: 'Same on feet', normal: 'Intact, symmetric' }, - { label: 'Temperature (if indicated)', method: 'Cold tuning fork each area', normal: 'Intact' }, - { label: 'Vibration', method: '128 Hz tuning fork at distal IP of great toes; count seconds to fade', normal: 'Feels vibration; appropriate duration' }, - { label: 'Proprioception', method: 'Move great toe up/down with eyes closed', normal: 'Identifies direction correctly' }, - { label: 'Two-point discrimination (if indicated)', method: 'Blunt calipers on fingertip', normal: '<5mm on fingertip' }, - { label: 'Stereognosis (if indicated)', method: 'Identify coin/key in hand with eyes closed', normal: 'Correct identification' } - ], abnormalHints: ['Dermatomal loss (nerve root)', 'Stocking-glove loss (length-dependent neuropathy)', 'Dorsal column loss (B12, tabes, MS — positive Romberg, vibration loss)', 'Cortical deficit (astereognosis, impaired 2-pt)'] }, - - { name: 'Coordination', steps: [ - { label: 'Finger-nose-finger', method: 'Alternate examiner\'s finger and own nose; examiner moves target', normal: 'Smooth, accurate bilaterally' }, - { label: 'Heel-to-shin', method: 'Supine: heel down opposite shin and back', normal: 'Smooth, accurate' }, - { label: 'Rapid alternating (Dysdiadochokinesis)', method: 'Supinate/pronate hand rapidly on thigh', normal: 'Rhythmic, symmetric' }, - { label: 'Finger tapping', method: 'Thumb to each finger in sequence rapidly', normal: 'Rhythmic, smooth, symmetric' } - ], abnormalHints: ['Dysmetria (cerebellar)', 'Intention tremor', 'Dysdiadochokinesia', 'Decomposed movement'] }, - - { name: 'Gait and Romberg', steps: [ - { label: 'Normal gait', method: 'Walk 20 feet', normal: 'Narrow-based, smooth, reciprocal arm swing' }, - { label: 'Heel walk', method: 'Walk on heels only', normal: 'Able without difficulty' }, - { label: 'Toe walk', method: 'Walk on toes only', normal: 'Able without difficulty' }, - { label: 'Tandem', method: 'Heel-to-toe along a line, 10+ steps', normal: 'Minimal deviation' }, - { label: 'Romberg', method: 'Feet together, eyes open then closed, 30s', normal: 'Stable — no significant sway or fall with eyes closed' }, - { label: 'Single-leg stance', method: '10s each side, eyes open', normal: 'Stable without drift' } - ], abnormalHints: ['Ataxic (wide-based — cerebellar)', 'Steppage (peripheral neuropathy / foot drop)', 'Circumduction (UMN hemiparesis)', 'Scissoring', 'Romberg positive (dorsal column)'] }, - - { name: 'Frontal release / primitive reflexes', steps: [ - { label: 'Grasp reflex', method: 'Stroke palm', normal: 'Absent' }, - { label: 'Snout reflex', method: 'Tap upper lip', normal: 'No lip pucker' }, - { label: 'Glabellar tap', method: 'Tap between eyebrows — should habituate after 3–4 taps', normal: 'Habituates (no sustained blink)' }, - { label: 'Palmomental', method: 'Stroke thenar eminence', normal: 'No ipsilateral chin twitch' } - ], abnormalHints: ['Presence suggests frontal lobe pathology, neurodegenerative disease, or severe TBI — rare in adolescence but relevant in post-concussion workup'] } - ] - }, - resp: { - overview: 'Systematic respiratory exam: inspection → palpation → percussion → auscultation → special maneuvers. Always start from observation — rate, pattern, work of breathing, and audible sounds (stridor, grunting) can be diagnostic before the stethoscope touches the chest.', - components: [ - { name: 'Inspection — observation before touching', - significance: 'Detects respiratory distress and localises the level of airway compromise before any equipment is used. High yield: RR, WOB, audible sounds, chest shape, colour.', - pearl: 'Audible stridor at rest from across the room = upper-airway obstruction, often urgent. Grunting in an infant = significant distress — never dismiss as fussiness.', - steps: [ - { label: 'Respiratory rate', method: 'Count over a full 60 seconds (not 15×4) — children normally breathe irregularly. Count while the patient is calm, before any interaction.', normal: 'Within age-appropriate range (see scales card above)' }, - { label: 'Respiratory pattern', method: 'Observe depth, regularity, and inspiration:expiration ratio. Watch for prolonged expiration, paradoxical chest-abdominal movement, or apneas.', normal: 'Regular, I:E ratio ~1:2, no pauses > 10 s in an infant' }, - { label: 'Work of breathing', method: 'Inspect for nasal flaring, suprasternal/intercostal/subcostal retractions, accessory muscle use (SCM, abdominals), tripod positioning, head-bobbing in infants.', normal: 'No retractions; breathing effortless' }, - { label: 'Audible sounds (no stethoscope)', method: 'Listen at the bedside without the stethoscope. Grunting? Stridor? Wheezing audible across the room? Hoarse voice?', normal: 'No audible stridor, grunting, or wheeze' }, - { label: 'Chest shape and symmetry', method: 'Inspect from front and lateral. Note AP-to-transverse diameter, pectus excavatum/carinatum, chest wall asymmetry.', normal: 'AP:transverse ~1:2 (not barrel-chested); symmetric' }, - { label: 'Colour and perfusion', method: 'Inspect lips, tongue, nail beds for central cyanosis. Check peripheral perfusion (capillary refill, mottling).', normal: 'Pink, cap refill < 2 s, no cyanosis' }, - { label: 'Clubbing', method: 'Inspect fingernails: Schamroth sign (reverse a finger against its mirror — normal forms a diamond-shaped window, clubbed does not).', normal: 'Normal nail angle, Schamroth window present' } - ], - abnormalHints: ['Audible stridor — upper airway (croup, epiglottitis, foreign body, laryngomalacia)', 'Grunting in infant — significant distress', 'Tripod positioning, accessory muscle use — severe distress', 'Barrel chest — chronic air-trapping (asthma, CF)', 'Central cyanosis — significant hypoxemia', 'Clubbing in a child — cystic fibrosis, chronic hypoxemia, bronchiectasis, cyanotic CHD'] }, - - { name: 'Palpation', - significance: 'Localises pathology: consolidation increases tactile fremitus; pneumothorax/effusion decreases it. Trachea deviates AWAY from expanding lesions and TOWARD collapsing ones.', - pearl: 'Tracheal deviation is one of the fastest bedside clues to mediastinal shift — tension pneumothorax pushes it away, lobar collapse pulls it toward. Palpate with the middle finger in the suprasternal notch.', - steps: [ - { label: 'Tracheal position', method: 'Patient sitting upright, neck slightly extended. Place middle finger in the suprasternal notch, check equal distance to each SCM.', normal: 'Midline' }, - { label: 'Chest expansion — symmetry', method: 'Hands on lateral chest wall with thumbs meeting at the spine (posterior) or xiphoid (anterior). Patient takes a deep breath. Watch thumbs separate symmetrically.', normal: 'Symmetric 3–5 cm separation' }, - { label: 'Tactile fremitus', method: 'Ulnar surface of hand on chest wall. Ask patient to say "ninety-nine" repeatedly. Move hand systematically across each zone, comparing sides.', normal: 'Equal mild vibration bilaterally over lung fields' }, - { label: 'Chest wall tenderness', method: 'Palpate ribs, costochondral junctions, sternum, and intercostal spaces.', normal: 'No tenderness' }, - { label: 'Subcutaneous emphysema', method: 'Gentle palpation along clavicles, neck, chest wall.', normal: 'No crepitus under skin' } - ], - abnormalHints: ['Tracheal deviation — tension pneumothorax, large pleural effusion (away); upper lobe collapse (toward)', 'Asymmetric expansion — pneumothorax, large effusion, lobar collapse, phrenic palsy', 'Increased fremitus — consolidation (pneumonia), lobar pneumonia', 'Decreased/absent fremitus — pleural effusion, pneumothorax, obstruction', 'Costochondral tenderness — costochondritis, trauma', 'Subcutaneous emphysema — pneumothorax, tracheobronchial injury'] }, - - { name: 'Percussion', - significance: 'Differentiates air (hyper-resonant), fluid (dull), and consolidated lung (dull) without imaging. Well-performed percussion detects a pleural effusion > 300 mL or a pneumothorax with ~90% sensitivity.', - pearl: 'Pleximeter fingertip must be flat against the chest wall — lift other fingers off. The "feel" of a percussion note is as informative as the sound: dullness has a dense, reflected quality; hyper-resonance feels hollow and springy.', - steps: [ - { label: 'Technique', method: 'Place middle finger of non-dominant hand (pleximeter) flat on chest wall; strike distal IP joint with tip of dominant middle finger (plexor) using a quick wrist flick.', normal: 'N/A — technique step' }, - { label: 'Systematic zones', method: 'Percuss from apex to base, comparing side-to-side at each level. Include anterior, lateral (mid-axillary), and posterior fields.', normal: 'Resonant throughout lung fields' }, - { label: 'Cardiac dullness', method: 'Percuss from resonant lung toward the heart border. Left sternal border dullness starts at the 3rd–5th ICS.', normal: 'Dullness beginning at the expected cardiac border' }, - { label: 'Hepatic dullness', method: 'Right 5th–6th ICS mid-clavicular line transitions from resonant to dull.', normal: 'Liver edge dullness at expected level' }, - { label: 'Diaphragmatic excursion', method: 'Patient inhales fully then exhales fully; mark level of dullness at each end. Difference is diaphragm excursion.', normal: '3–5 cm excursion bilaterally' } - ], - abnormalHints: ['Hyper-resonant — pneumothorax, emphysematous bulla, severe asthma attack', 'Dull — consolidation, pleural effusion (stony dull), atelectasis, pleural thickening, large mass', 'Raised diaphragm (loss of excursion) — effusion, paralysis, subdiaphragmatic pathology'] }, - - { name: 'Auscultation — normal breath sounds', - significance: 'Breath sound quality varies by location. Bronchial sounds heard peripherally = consolidation; absent breath sounds = pneumothorax, effusion, obstruction.', - pearl: 'Always compare corresponding points side-to-side sequentially — your ear calibrates to "normal" one side and immediately hears asymmetry. Listen through a full respiratory cycle at each zone.', - steps: [ - { label: 'Technique', method: 'Diaphragm of stethoscope directly on skin (not over clothing). Patient breathes slowly and deeply through an open mouth.', normal: 'N/A — technique' }, - { label: 'Vesicular sounds (peripheral)', method: 'Listen over lung fields away from the sternum. Play the "Normal vesicular" sample above for reference.', normal: 'Soft, low-pitched, inspiration > expiration in length and loudness' }, - { label: 'Bronchovesicular (over main bronchi)', method: 'Listen at the 1st–2nd ICS anteriorly and between scapulae posteriorly.', normal: 'Intermediate pitch, inspiration = expiration' }, - { label: 'Bronchial (over trachea)', method: 'Listen directly over the manubrium or trachea.', normal: 'Harsh, high-pitched, expiration > inspiration' }, - { label: 'Systematic comparison', method: 'Six zones anteriorly (upper/mid/lower × L/R), four lateral, six posterior. Compare side-to-side at each zone.', normal: 'Symmetric breath sounds at every paired zone' } - ], - abnormalHints: ['Bronchial sounds heard peripherally — consolidation (pneumonia)', 'Absent/diminished breath sounds — pneumothorax, effusion, severe obstruction, obesity / muscular chest', 'Prolonged expiration — lower airway obstruction (asthma, bronchiolitis)'] }, - - { name: 'Auscultation — adventitious sounds', - significance: 'Adventitious (added) sounds are the key diagnostic finding. Timing (inspiratory vs expiratory vs biphasic), character (continuous vs discontinuous), and location are all informative.', - pearl: 'Ask the patient to cough and re-listen. Secretions (rhonchi, some coarse crackles) clear or change; fine crackles of fibrosis or early pneumonia do not. The cough test separates two differential groups in one maneuver.', - steps: [ - { label: 'Listen for wheeze', method: 'Continuous musical sounds, typically expiratory. Use the "Wheeze" sample for reference.', normal: 'No wheeze' }, - { label: 'Listen for crackles — fine', method: 'Short, high-pitched, discontinuous "Velcro" sounds. Typically end-inspiratory, bibasilar. Use the "Fine crackles" sample.', normal: 'No crackles' }, - { label: 'Listen for crackles — coarse', method: 'Longer, lower-pitched, louder than fine. Use the "Coarse crackles" sample.', normal: 'No crackles' }, - { label: 'Listen for rhonchi', method: 'Low-pitched, continuous, snore-like. Often change with cough. Use the "Rhonchi" sample.', normal: 'No rhonchi' }, - { label: 'Listen for pleural rub', method: 'Grating, creaky, biphasic, does NOT clear with cough. Use the "Pleural rub" sample.', normal: 'No pleural rub' }, - { label: 'Listen at the neck (for stridor)', method: 'Place stethoscope over the anterior neck. Stridor is loudest here and differentiates from wheeze (loudest over chest). Use the "Stridor" sample.', normal: 'No stridor' }, - { label: 'Listen for expiratory grunting (infants)', method: 'Often audible without a stethoscope at the bedside — short, low-pitched sound at the end of each expiration (glottal closure against exhaled air).', normal: 'No grunting' }, - { label: 'Cough re-listen', method: 'Have patient cough forcefully; re-listen to any abnormal area. Note if the sound clears or changes.', normal: 'Any secretion-based sound should clear or change with cough' } - ], - abnormalHints: ['Wheeze — asthma, bronchiolitis, foreign body (localised), anaphylaxis', 'Fine crackles — pulmonary edema, interstitial lung disease, early pneumonia', 'Coarse crackles — bronchitis, pneumonia, bronchiectasis, aspiration', 'Rhonchi — large-airway secretions', 'Pleural rub — pleurisy, PE, pneumonia with pleural involvement', 'Stridor — upper airway obstruction (croup, epiglottitis, FB)'] }, - - { name: 'Special maneuvers — transmitted voice sounds', - significance: 'Vocal resonance tests detect consolidation (increased transmission) and effusion/pneumothorax (decreased). Useful when auscultation suggests asymmetry.', - pearl: 'Whispered pectoriloquy is the most sensitive of the three — whispered words transmitted clearly through consolidated lung. If "one, two, three" whispered becomes clearly audible over one lung zone, there is consolidation underneath.', - steps: [ - { label: 'Bronchophony', method: 'Patient says "ninety-nine" in normal voice. Listen at each lung zone with the stethoscope.', normal: 'Muffled, indistinct sound' }, - { label: 'Egophony', method: 'Patient says "ee" continuously. Listen over any suspicious area.', normal: '"Ee" sounds like "ee" (no change)' }, - { label: 'Whispered pectoriloquy', method: 'Patient whispers "one, two, three" or "ninety-nine". Listen over each zone.', normal: 'Whisper is faint and indistinct' } - ], - abnormalHints: ['Bronchophony increased — consolidation', 'Egophony positive ("ee" → "A" / "ay") — consolidation, sometimes top of an effusion', 'Whispered pectoriloquy positive (whisper clearly audible) — consolidation'] } - ] - }, - cv: { - overview: 'Systematic cardiovascular exam: inspection → palpation → auscultation at the five classic points → peripheral vascular exam. Always palpate the apex BEFORE auscultating — knowing where the apex lies tells you where to put the stethoscope and flags cardiomegaly immediately.', - components: [ - { name: 'Inspection', - significance: 'Detects obvious precordial activity, chest-wall signs of congenital heart disease, and systemic markers (cyanosis, clubbing, dysmorphic features).', - pearl: 'Clubbing + central cyanosis in a well-appearing adolescent = cyanotic congenital heart disease until proven otherwise. Inspect the fingernails before reaching for the stethoscope.', - steps: [ - { label: 'General appearance', method: 'Observe body habitus, features suggesting syndromic CHD (Turner, Down, Marfan, Williams).', normal: 'No dysmorphic features, appropriate growth' }, - { label: 'Central cyanosis', method: 'Inspect lips, tongue, and oral mucosa for bluish discoloration.', normal: 'Pink oral mucosa, no cyanosis' }, - { label: 'Peripheral cyanosis / clubbing', method: 'Inspect nail beds; do Schamroth\'s window (oppose nails of 4th fingers — normally forms a diamond-shaped window).', normal: 'Pink nail beds, Schamroth window present' }, - { label: 'Precordial bulge', method: 'Inspect anterior chest wall tangentially for asymmetric prominence over the heart.', normal: 'Symmetric chest, no bulge' }, - { label: 'Visible apex beat', method: 'Inspect for a visible cardiac impulse at the 5th ICS mid-clavicular line.', normal: 'Apex may be visible in thin patients; should not be displaced' }, - { label: 'Neck veins (JVP)', method: 'Patient reclined 45°, head turned slightly left. Observe the right internal jugular pulsation; measure vertical height above the sternal angle.', normal: '≤ 4 cm above sternal angle (≤ 9 cm H₂O from right atrium)' } - ], - abnormalHints: ['Central cyanosis — right-to-left shunt, severe hypoxemia', 'Clubbing — cyanotic CHD, chronic hypoxemia', 'Precordial bulge — long-standing cardiomegaly (grew during skeletal growth)', 'Visible apex displaced lateral/inferior — cardiomegaly', 'Elevated JVP — right-heart failure, fluid overload, cardiac tamponade'] }, - - { name: 'Palpation', - significance: 'Localises the apex (confirms cardiac size), detects thrills (loud murmurs), and identifies a parasternal heave (RV hypertrophy).', - pearl: 'If you feel a thrill, the murmur is at least grade 4/6 — grade your murmur as ≥4 even if it sounds less impressive. Thrill = loud, palpable turbulence.', - steps: [ - { label: 'Apex beat — localise', method: 'Feel with the tips of the fingers at the 5th ICS mid-clavicular line. If not found, roll the patient to the left lateral decubitus position.', normal: 'Located at 5th ICS, mid-clavicular line, less than 2 cm in diameter' }, - { label: 'Apex character', method: 'Describe: tapping (normal), heaving (pressure overload, e.g. AS/HTN), thrusting (volume overload, e.g. AR/MR), dyskinetic (MI/aneurysm).', normal: 'Brief tapping quality' }, - { label: 'Parasternal heave', method: 'Place the heel of the hand along the left sternal border. Sustained outward movement with each systole = heave.', normal: 'No heave' }, - { label: 'Thrills', method: 'Use the palmar aspect of the hand at each of the 5 auscultation areas (A, P, E, T, M). A thrill = palpable turbulence.', normal: 'No thrills' }, - { label: 'Peripheral pulses — upper', method: 'Palpate radial pulses bilaterally, then brachial. Note rate, rhythm, volume, and symmetry.', normal: 'Symmetric 2+ pulses, regular rhythm, age-appropriate rate' }, - { label: 'Peripheral pulses — lower', method: 'Palpate femoral pulses. Compare to brachial — radio-femoral or brachio-femoral delay suggests coarctation of the aorta.', normal: 'Femoral pulses 2+ symmetric, no delay relative to radial' } - ], - abnormalHints: ['Apex displaced laterally/inferiorly — cardiomegaly', 'Heaving apex — pressure overload (AS, HTN)', 'Thrusting apex — volume overload (AR, MR)', 'Thrill over precordium — always pathological; at least grade 4/6 murmur', 'Parasternal heave — RV hypertrophy (pulmonary HTN, pulmonary stenosis, VSD with Eisenmenger)', 'Radio-femoral delay — coarctation of the aorta (always check in a hypertensive adolescent)'] }, - - { name: 'Auscultation — approach', - significance: 'Systematic technique ensures every relevant finding is detected. Listen at all 5 points, with both diaphragm and bell, in supine/sitting/left-lateral positions as needed.', - pearl: 'Time every murmur by simultaneously palpating the carotid pulse with the fingers of your free hand. Pulse = systole. Murmur heard during the pulse = systolic; in between pulses = diastolic.', - steps: [ - { label: 'Positioning', method: 'Patient supine, head of bed at 30°. Exam room quiet, patient relaxed. Warm the stethoscope first.', normal: 'N/A — technique' }, - { label: 'Diaphragm technique', method: 'Firm contact with skin. Detects HIGH-pitched sounds: S1, S2, systolic ejection murmurs, AR, MR.', normal: 'N/A — technique' }, - { label: 'Bell technique', method: 'Very light contact — enough to make a seal but not stretch the skin. Detects LOW-pitched sounds: S3, S4, mitral stenosis rumble.', normal: 'N/A — technique' }, - { label: 'Listen at each of the 5 points', method: 'A → P → E → T → M in order, each with diaphragm then bell. Spend a full cycle at each zone.', normal: 'S1 crisp, S2 clear (splits physiologically on inspiration at P), no added sounds, no murmur' }, - { label: 'Left lateral decubitus position', method: 'If apex murmur suspected. Roll patient to left side. Listen at the apex with the BELL for mitral stenosis rumble or S3/S4.', normal: 'No added sounds, no diastolic rumble' }, - { label: 'Sitting forward, held expiration', method: 'Patient leans forward, exhales fully, holds. Listen at left lower sternal border and Erb\'s point with the DIAPHRAGM for aortic regurgitation (soft early diastolic decrescendo).', normal: 'No early-diastolic murmur' } - ], - abnormalHints: ['Fixed split S2 (no change with respiration) — ASD', 'Loud S2 at pulmonic area — pulmonary HTN', 'S3 — volume overload, CHF (can be normal in young athletes)', 'S4 — stiff ventricle (HTN, HCM, ischemia)', 'Audible opening snap — mitral stenosis (rare in children)'] }, - - { name: 'Auscultation — heart sounds and murmurs', - significance: 'Characterising a murmur by timing, location, radiation, pitch, quality, and dynamic maneuvers narrows the differential.', - pearl: 'Innocent murmurs in children share 7 "S" features: Soft (≤ grade 2), Systolic, Short, Single (no added S3/S4), Small (localised, non-radiating), Sweet (musical), Sensitive to position/respiration (louder supine, softer standing). Anything breaking this pattern deserves workup.', - steps: [ - { label: 'S1', method: 'Listen at the apex (mitral). Coincides with the carotid pulse upstroke. Mitral + tricuspid closure.', normal: 'Single, crisp, single-component sound' }, - { label: 'S2', method: 'Listen at the pulmonic area in HELD INSPIRATION and HELD EXPIRATION. Note whether S2 splits physiologically (wider in inspiration, narrower/absent in expiration).', normal: 'Physiologic split (widens on inspiration, narrows on expiration)' }, - { label: 'S3 / S4 gallops', method: 'Bell at the apex in left lateral decubitus. S3 = early diastole (after S2), low-pitched. S4 = late diastole (just before S1).', normal: 'Absent in adults; S3 can be normal in young athletes under age 30' }, - { label: 'Identify murmur — timing', method: 'Time vs carotid pulse. Systolic (during pulse) vs diastolic (between pulses) vs continuous.', normal: 'No murmur, or only soft innocent flow murmur' }, - { label: 'Identify murmur — location + radiation', method: 'Where loudest? Does it radiate? AS → carotids. MR → axilla. Coarctation → back.', normal: 'N/A — characterise only if murmur present' }, - { label: 'Identify murmur — character', method: 'Crescendo-decrescendo (ejection) vs holosystolic (plateau) vs decrescendo early-diastolic (AR, PR) vs mid-diastolic rumble (MS, TS).', normal: 'N/A — characterise only if murmur present' }, - { label: 'Grade intensity', method: 'Levine 1–6 scale (see scales card above).', normal: 'No murmur, or grade ≤ 2 soft innocent flow murmur' }, - { label: 'Dynamic maneuvers', method: 'Standing: ↑HOCM, ↑MVP click (earlier). Squatting: opposite. Valsalva: ↑HOCM, most others decrease.', normal: 'No significant change with posture' } - ], - abnormalHints: ['Holosystolic murmur at apex → axilla — mitral regurgitation', 'Holosystolic at lower left sternal border (LLSB) — VSD, tricuspid regurgitation', 'Systolic ejection at upper right sternal border → carotids — aortic stenosis', 'Systolic ejection at upper left sternal border — pulmonary stenosis', 'Continuous "machinery" below left clavicle — PDA', 'Early diastolic at Erb\'s point, leaning forward — aortic regurgitation', 'Diastolic rumble at apex, bell in left-lateral — mitral stenosis', 'Fixed split S2 + systolic flow murmur — ASD'] }, - - { name: 'Peripheral vascular exam', - significance: 'Coarctation of the aorta hides until BP and pulses are checked in all four extremities. Differential diagnosis of a hypertensive adolescent should include this in the first 60 seconds.', - pearl: 'Four-limb BP measurement is mandatory in any adolescent with hypertension or a murmur. Upper-extremity BP > lower-extremity BP (or brachio-femoral delay) = coarctation until excluded.', - steps: [ - { label: 'Four-limb blood pressure', method: 'Measure BP in right arm, left arm, and at least one leg. Use appropriately sized cuff (bladder width 40% of limb circumference, length 80–100%).', normal: 'Arm BPs within 10 mmHg of each other; leg systolic within 20 mmHg of arm systolic (may be higher)' }, - { label: 'Radial pulses', method: 'Palpate both radials simultaneously — note any delay or asymmetry.', normal: 'Simultaneous, symmetric, 2+' }, - { label: 'Radio-femoral delay', method: 'Palpate radial and femoral simultaneously. Feel the femoral as clearly "after" the radial = delay.', normal: 'No delay' }, - { label: 'Femoral pulses', method: 'Palpate both femoral pulses at the mid-inguinal point. Compare amplitude to radials.', normal: 'Symmetric 2+ pulses, equal amplitude to radial' }, - { label: 'Dorsalis pedis + posterior tibialis', method: 'Palpate in both feet.', normal: '2+ pulses bilaterally' }, - { label: 'Capillary refill', method: 'Press and release the nail bed; time to normal colour.', normal: '< 2 sec' } - ], - abnormalHints: ['Asymmetric upper-extremity BP (> 10 mmHg) — subclavian stenosis or coarctation at the origin', 'Upper >> lower-extremity BP — coarctation of the aorta', 'Diminished or absent femoral pulses with brachio-femoral delay — coarctation', 'Bounding pulses with wide pulse pressure — AR, PDA, arteriovenous fistula, thyrotoxicosis, anemia', 'Weak thready pulses — low output state (heart failure, shock, hypovolemia)', 'Prolonged capillary refill — dehydration, shock, cold stress'] } - ] - } - } - }; + return peGuideDataPromise; + } // ──────────────────────────────────────────────────────────── // STATE + RENDER @@ -1343,10 +63,15 @@ document.addEventListener('tabChanged', function (e) { if (e.detail.tab !== 'peguide' || _inited) return; _inited = true; - init(); + init().catch(function (err) { + console.error('[PEGuide] init error', err); + var content = document.getElementById('pe-content'); + if (content) content.innerHTML = '

Unable to load PE Guide data.

'; + }); }); - function init() { + async function init() { + await loadPeGuideData(); var ageSelect = document.getElementById('pe-age-group'); var content = document.getElementById('pe-content'); var actions = document.getElementById('pe-actions'); diff --git a/test/pe-guide-data.test.js b/test/pe-guide-data.test.js new file mode 100644 index 0000000..339ce32 --- /dev/null +++ b/test/pe-guide-data.test.js @@ -0,0 +1,28 @@ +const { test } = require('node:test'); +const assert = require('node:assert/strict'); +const fs = require('node:fs'); +const path = require('node:path'); + +const root = path.join(__dirname, '..'); + +function read(relativePath) { + return fs.readFileSync(path.join(root, relativePath), 'utf8'); +} + +test('PE Guide static content is loaded from JSON data', () => { + const source = read('public/js/peGuide.js'); + const data = JSON.parse(read('public/data/pe-guide.json')); + + assert.match(source, /PE_GUIDE_DATA_URL = '\/data\/pe-guide\.json'/); + assert.match(source, /async function init\(\)/); + assert.match(source, /await loadPeGuideData\(\)/); + assert.doesNotMatch(source, /newborn:\s*\{/); + + assert.deepEqual(Object.keys(data.peData), ['newborn', 'infant', 'toddler', 'preschool', 'school', 'adolescent']); + assert.ok(data.peData.newborn.msk.components.length > 0); + assert.ok(data.peData.adolescent.cv.components.length > 0); + assert.ok(data.scales.mrc.rows.length > 0); + assert.ok(data.systemScales.cv.includes('murmurGrade')); + assert.ok(data.respiratorySounds.length >= 7); + assert.ok(data.cardiacSounds.length >= 6); +});