A&A practice
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Perioperative hypoxemia is common in patients with aortic dissection. Platypnea-orthodeoxia syndrome (POS), in which hypoxemia in the upright position improves with relocating to a recumbent position, can be a rare cause of hypoxemia. ⋯ Therefore, establishing the diagnosis was difficult. POS should be suspected when patients with high tortuosity and curvature of DTA show hypoxemia.
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A 49-year-old man with cirrhosis and portal hypertension was admitted for acute respiratory distress syndrome secondary to coronavirus disease 2019 (COVID-19) pneumonia. His course was complicated by postprandial hypotension (PPH)-episodic hemodynamic collapse that occurred minutes after enteral administration of medications or fluids. ⋯ Portal hypertension is a likely additional risk factor that has not been previously described. Octreotide is the mainstay of PPH prophylaxis.