As a symptom

• Under what circumstances (Onset & Aggregating): exercise, allergy?
• Indicate airway obstruction

As a sign

Physical Exam Finding:

Respiratory Exam

expiration → constriction of lower larger airway

• Asthma, COPD

https://www.youtube.com/watch?v=T4qNgi4Vrvo&t=2s

<aside>

Descriptor:

• Musical quality, high pitched
• Expiration </aside>

DDx

• Bronchospasm

• !CHF (H+W)

• Pediatric DDx:

  

  • Rhinitis, GERD
  • Croup
  • CHD - Congenital Heart Diseases
  • CF - Cystic Fibrosis, PCD - Primary Ciliary Dyskinesia
  • Eosinophilic ‣
  • Immunodeficiency