🫁 Chapter 422 · Chronic or Recurrent Respiratory Symptoms

Nelson Textbook of Pediatrics 22nd Edition | Approach to chronic cough, recurrent wheeze, persistent stridor, recurrent lung infiltrates; differential diagnosis: asthma, protracted bacterial bronchitis (PBB), cystic fibrosis, PCD, aspiration, tic cough, immunodeficiency.

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📋 30 Clinical Scenarios — Chronic & Recurrent Respiratory Symptoms (FCPS/Nelson)

📇 High‑Yield Review Cards: Chronic Respiratory Symptoms (Chap 422)

🩺 Symptom‑Based Evaluation: Chronic Cough, Wheeze, Stridor, Infiltrates

Select a presentation for diagnostic clues and initial workup.

📋 Stepwise Diagnostic & Management Approach (Nelson Ch 422)

    SymptomCommon CausesKey Diagnostic Tests
    Chronic cough (>4 weeks)Asthma, PBB, UACS, GERD, tic cough, CF, PCDCXR, spirometry, sweat test, PCD panel, bronchoscopy
    Recurrent wheezeAsthma, viral bronchiolitis, CF, PCD, foreign body, VCDSpirometry ± bronchodilator, methacholine, chest CT
    Persistent stridorLaryngomalacia, subglottic stenosis, VCP, vascular ringFlexible laryngoscopy, airway fluoroscopy, CT/MRI
    Recurrent infiltratesAspiration, CF, PCD, immunodeficiency, sequestrationSwallow study, sweat test, immunoglobulins, CT angio

    ⚡ Reflex Prompts — Clinical Decisions in Chronic Respiratory Symptoms

    📖 Summary: Chronic or Recurrent Respiratory Symptoms — Nelson 22nd Ed