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===Bronchoconstriction===
===[[Wheezing|Wheeze]]===
====Common (the "Big 3")====
*[[Asthma]]
*[[COPD]]
*[[COPD]]
*[[Asthma]]
*[[Bronchiolitis (peds)]]
*[[Bronchiolitis (peds)]]
*Others
*[[CHF]] ("cardiac asthma")
**Intrathoracic lower airway
 
***[[Aspirated foreign body]]
====Airway — Intrathoracic Lower====
***[[Bronchiectasis]]
*[[Aspirated foreign body]]
***[[Bronchiolitis]]
*[[Bronchiectasis]]
***Bronchiolitis obliterans
*[[Bronchiolitis]]
***Cardiac asthma/[[CHF]]
*[[Bronchiolitis obliterans]]
***[[Carcinoid]] tumors
*[[Pneumonia]] (focal wheeze)
***Environmental - silo farmers
*[[Pulmonary embolism]]
***[[parasitic infection|Parasitic]] in endemic
*[[Carcinoid]] tumor
***Reactive airway
*Endobronchial [[tuberculosis]]
**Intrathoracic central airway
*[[Parasitic infection]] (eosinophilic pneumonia; in endemic areas)
***[[aspirated foreign body|Foreign body]]
*[[Hypersensitivity pneumonitis]] (e.g., farmer's lung)
***Tracheal stenosis/tumors
 
***[[Tracheomalacia]]
====Airway — Intrathoracic Central====
***Mucus plugs
*[[Aspirated foreign body]]
***[[Vascular ring]]s/aneurysms
*Tracheal stenosis / tumor
***Mediastinal mass
*[[Tracheomalacia]]
**Extrathoracic
*Mucus plugging
***Foreign body
*[[Vascular ring]] / aortic aneurysm
***[[Anaphylaxis]]
*Mediastinal mass / [[lymphoma]]
***Vocal cord edema/paralysis
 
***Paradoxical vocal cord motion
====Airway — Extrathoracic (typically stridor ± wheeze)====
***Laryngeal stenosis
*[[Foreign body]]
***Tonsillar hypertrophy
*[[Anaphylaxis]]
***Goiter
*[[Angioedema]] (including [[ACE inhibitor]]-induced)
***Postnasal drip
*[[Croup]]
*[[Epiglottitis]]
*Vocal cord dysfunction / paradoxical vocal fold motion
*Vocal cord edema / paralysis
*Laryngeal stenosis / tumor
*[[Retropharyngeal abscess]]
*[[Peritonsillar abscess]]
*Tonsillar / adenoid hypertrophy
*[[Goiter]] / thyroid mass
*Postnasal drip
 
====Allergic / Inflammatory====
*[[Anaphylaxis]]
*Allergic bronchopulmonary aspergillosis (ABPA)
*[[Eosinophilic granulomatosis with polyangiitis]] (Churg-Strauss)
*[[Sarcoidosis]]
 
====Drug-Induced Bronchospasm====
*[[Beta-blocker]] (including ophthalmic)
*[[Aspirin]] / [[NSAID toxicity|NSAIDs]] (aspirin-exacerbated respiratory disease)
*[[ACE inhibitor]] (cough / bronchospasm)
*Cholinergic agents (e.g., [[neostigmine]])
*Inhaled irritants / [[smoke inhalation]]
 
====Other====
*[[GERD]] / aspiration
*[[Pneumothorax]] (decreased breath sounds ± focal wheeze)
*[[Pulmonary embolism]] (may present with wheeze in up to 25%)
*Vocal cord dysfunction (often misdiagnosed as refractory asthma)
*[[Obesity]] hypoventilation

Revisión actual - 00:01 11 mar 2026

Wheeze

Common (the "Big 3")

Airway — Intrathoracic Lower

Airway — Intrathoracic Central

Airway — Extrathoracic (typically stridor ± wheeze)

Allergic / Inflammatory

Drug-Induced Bronchospasm

Other

  • GERD / aspiration
  • Pneumothorax (decreased breath sounds ± focal wheeze)
  • Pulmonary embolism (may present with wheeze in up to 25%)
  • Vocal cord dysfunction (often misdiagnosed as refractory asthma)
  • Obesity hypoventilation