Abstract:Platypnea-orthodeoxia (P-O) syndrome is an underdiagnosed condition characterized by dyspnea and deoxygenation accompanying a change from a recumbent to an upright position. It is caused by increased right-to-left shunting of blood on assuming an upright position. The diagnosis of this shunt is often challenging. A case where a diagnosis was…
Abstract:Hepatopulmonary syndrome (HSP) is characterized by the triad of advanced liver disease, arterial hypoxemia, and intrapulmonary vascular dilatation. Most cases of HSP are associated with cirrhotic portal hypertension; however, it has also been reported in acute liver failure patients. An estimated prevalence of HPS in patients with chronic liver disease…
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