Causes of Acute Dyspnea - Differential Diagnosis Algorithm

Cardiovascular

 • Myocardial Infarction*

 • Cardiac Tamponade*

 • CHF

Pleural

 • Pneumothorax (Tension* )

Parenchymal

 • Pneumonia

Vascular

 • Pulmonary Embolism*

Lower Airway (Wheeze)

 • Asthma*

 • AECOPD

Upper Airway (Stridor)

 • Aspiration*

 • Anaphylaxis*



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