diff --git a/public/js/bedside/respiratory.js b/public/js/bedside/respiratory.js
index 499125b..d103c07 100644
--- a/public/js/bedside/respiratory.js
+++ b/public/js/bedside/respiratory.js
@@ -10,8 +10,17 @@ import { S } from './shared.js';
 function dose(wt, mgPerKg, maxMg) { var d = Math.round(wt * mgPerKg * 10) / 10; return maxMg ? Math.min(d, maxMg) : d; }
 // Delegates to the shared S.dStr so the per-kg math is visible to the prescriber.
 function doseStr(wt, mgPerKg, maxMg, unit) {
+  if (!wt) {
+    unit = unit || ' mg';
+    var uTrim = unit.trim() || 'mg';
+    return mgPerKg + ' ' + uTrim + '/kg' + (maxMg != null ? ' <span style="color:var(--g500);font-size:11px;font-weight:400;">(max ' + maxMg + ' ' + uTrim + ')</span>' : '');
+  }
   return S.dStr(wt, mgPerKg, maxMg, unit);
 }
+function ipratropiumDose(wt) {
+  if (!wt) return '250 mcg (&lt;20 kg) or 500 mcg (≥20 kg)';
+  return wt < 20 ? '250 mcg' : '500 mcg';
+}
 function drugRow(name, doseText, route, notes) {
   return '<tr><td style="font-weight:600;">' + name + '</td><td>' + doseText + '</td><td>' + route + '</td><td style="font-size:12px;color:var(--g500);">' + (notes || '') + '</td></tr>';
 }
@@ -23,7 +32,6 @@ function severityBadge(label, color) { return '<span style="display:inline-block
 function asthmaManagement(severity) {
   var wt = parseFloat(document.getElementById('resp-weight').value);
   var resultDiv = document.getElementById('asthma-result');
-  if (!wt) { resultDiv.innerHTML = '<p style="color:var(--red);font-size:13px;">Enter weight (kg).</p>'; return; }
 
   var html = '';
   if (severity === 'mild') {
@@ -41,7 +49,7 @@ function asthmaManagement(severity) {
     html += '<p style="font-size:13px;margin:8px 0;">Speaks in phrases, some accessory muscle use, SpO2 90-93%</p>';
     html += drugTable(
       drugRow('Albuterol (neb)', doseStr(wt, 0.15, 5, ' mg') + ' (min 2.5 mg)', 'Nebulized', 'q20min x 3 doses, then continuous if needed') +
-      drugRow('Ipratropium', wt < 20 ? '250 mcg' : '500 mcg', 'Nebulized', 'q20min x 3 doses with albuterol') +
+      drugRow('Ipratropium', ipratropiumDose(wt), 'Nebulized', 'q20min x 3 doses with albuterol') +
       drugRow('Dexamethasone', doseStr(wt, 0.6, 16), 'PO/IV/IM', 'Single dose') +
       drugRow('O2 supplemental', 'Target SpO2 ≥94%', 'Nasal cannula/mask', 'Titrate to effect')
     );
@@ -51,7 +59,7 @@ function asthmaManagement(severity) {
     html += '<p style="font-size:13px;margin:8px 0;">Speaks in words only, significant accessory muscle use, SpO2 &lt;90%. Consider ICU.</p>';
     html += drugTable(
       drugRow('Albuterol continuous', doseStr(wt, 0.5, 20, ' mg') + '/hr', 'Continuous neb', 'Or 0.15-0.3 mg/kg q20min') +
-      drugRow('Ipratropium', wt < 20 ? '250 mcg' : '500 mcg', 'Nebulized', 'q20min x 3 doses with albuterol') +
+      drugRow('Ipratropium', ipratropiumDose(wt), 'Nebulized', 'q20min x 3 doses with albuterol') +
       drugRow('Dexamethasone', doseStr(wt, 0.6, 16), 'IV', 'Or methylprednisolone 2 mg/kg IV (max 60 mg)') +
       drugRow('Magnesium sulfate', doseStr(wt, 50, 2000) + ' IV over 20 min', 'IV', 'Single dose, monitor BP') +
       drugRow('Epinephrine (IM)', doseStr(wt, 0.01, 0.5) + ' (1:1000)', 'IM', 'If impending arrest / no IV access') +
diff --git a/test/bedside-respiratory-ventilation.test.js b/test/bedside-respiratory-ventilation.test.js
new file mode 100644
index 0000000..9c1ac92
--- /dev/null
+++ b/test/bedside-respiratory-ventilation.test.js
@@ -0,0 +1,22 @@
+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('Bedside respiratory and ventilation references render without requiring weight', () => {
+  const respiratory = read('public/js/bedside/respiratory.js');
+  const ventilation = read('public/js/bedside/ventilation.js');
+
+  assert.doesNotMatch(respiratory, /Enter weight \(kg\)/);
+  assert.match(respiratory, /function ipratropiumDose\(wt\)/);
+  assert.match(respiratory, /return mgPerKg \+ ' ' \+ uTrim \+ '\/kg'/);
+  assert.match(ventilation, /wt \? '1-2 L\/kg\/min = '/);
+  assert.match(ventilation, /: '1-2 L\/kg\/min'/);
+  assert.match(ventilation, /wt \? S\.d\(wt, 6\) \+ '-' \+ S\.d\(wt, 8\) \+ ' mL' : '6-8 mL\/kg'/);
+});