dyspnea


  • acute chest syndrome
  • acute heart failure (valvular, ischemic etc.)
  • air embolism
  • airway trauma
  • anaphylaxis/angioedema
  • anemia
  • ARDS (from sepsis etc.)
  • asthma
  • carbon monoxide poisoning
  • cardiac arrhythmia
  • deep neck space infection
  • diaphragmatic insufficiency (MS, GBS etc.)
  • direct pulmonary trauma
  • epiglottitis
  • high altitude pulmonary edema
  • lung cancer
  • metabolic acidosis (from poisoning, sepsis, DKA etc.)
  • pneumonia / COPDE
  • pneumothorax
  • pulmonary embolism
  • pulmonary hemorrhage
  • tamponade
  • tracheal foreign object

Note:

This is not an all inclusive database of differential diagnoses. It contains only immediately life-threatening possibilities. Note that some unlisted etiologies, while not immediately life-threatening, can become serious with time.