Wheezing - Differential Diagnosis Framework - Not all that wheezes is asthma Vibrations of turbulent flow against narrowed airway walls leading to high-pitched, musical sound, usually heard in expiration Larynx: - May be associated with inspiratory sound - Epiglottitis, Laryngeal stenosis or laryngocele, Laryngeal edema- Anaphylaxis, Paradoxical vocal cord motion, Vocal cord edema or paralysis, GERD Trachea: - Intrinsic Compression: Tracheomalacia, tracheal stenosis, tracheal tumor, Mucus plug, tracheitis, Relapsing polychondritis - Extrinsic Compression: Mediastinal mass or LAD, Vascular ring Primary bronchi: - Asthma/COPD, Viral infections, Bronchiectasis (CF-related, PCD, Mycobacterial), Bronchomalacia, bronchial stenosis, bronchitis, Mucus plug, Carcinoid syndrome, Parasitic Disease, Edema- heart failure exacerbation, Foreign body Tertiary Bronchi: - Bronchiolitis obliterans, Bronchiolitis- RSV, Alveolitis- HSP Dr. Ann Marie Kumfer @AnnKumfer #Wheezing #Differential #Diagnosis #Framework #pulmonary #wheeze
