Acute Hypoxemia - Differential Diagnosis

 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism, Pneumothorax, Alveolar Hemorrhage

 • Hypoventilation: Sedatives, Sleep Apnea, OHS, Neuromuscular, Myxedema Coma, Metabolic Alkalosis

 • Shunt:

     - Physiologic: ARDS, Diffuse Alveolar Process

     - Anatomic: Intracardiac, Pulmonary AVMs

 • Focal Alveolar: Pneumonia, Mucous Plugging, Atelectasis, Pulmonary Edema, Alveolar Hemorrhage

 • Impaired Diffusion: ILD, pHTN, Advanced COPD

 • Dead Space: Pulmonary Embolism, Emphysema, Positive Pressure Vent, pHTN, Shock

 • Airway Disease: Asthma, COPD, Bronchiectasis



- Sophia Hayes MD @Sophia_Hayes_MD



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