Causes of Dyspnea - Differential Diagnosis Algorithm

Cardiac:

 • Dysrhythmia

 • Ischemia

 • Cardiomyopathy

 • Valvular disease

 • Tamponade

 • Constrictive pericarditis

 • Myocarditis

 • Superior vena cava syndrome

 • Shunt

Airway:

 • Bronchitis

 • Chronic obstructive pulmonary disease

 • Asthma

 • Bronchiectasis

 • Anaphylaxis

 • Tracheomalacia

 • Foreign body

Parenchyma:

 • Pneumonia

 • Pulmonary edema

 • Atelectasis

 • Emphysema

 • Cancer

 • Interstitial lung disease

Vasculature:

 • Pulmonary embolism

 • Pulmonary hypertension

 • Vasculitis

 • Arteriovenous malformation

Pleura:

 • Pleural effusion

 • Pneumothorax

Other:

 • Anxiety

 • Anemia

 • Reduced P102

 • Extrapulmonary hypoventilation

 • Metabolic acidosis

 • Pregnancy

 • Thyrotoxicosis

 • Deconditioning



Dr. André Mansoor @AndreMansoor - Author of Frameworks for Internal Medicine https://amzn.to/2LmUODZ



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