Title

Platypnea Orthodeoxia for Those Who do Better Lying Low.

Document Type

Article

Publication Date

9-9-2022

Abstract

Platypnea orthodeoxia syndrome (POS) can be a confounding disease. Patients with POS may have already had an extensive and unrevealing evaluation for hypoxia. POS is the worsening of hypoxia when upright compared to supine. The underlying mechanism is a right to left shunt. While there are various causes of this, we focus on intracardiac shunt. The most common of these is patent foramen ovale (PFO). Once this is identified, closure of the PFO can lead to resolution of hypoxia.

Publication Title

J Community Hosp Intern Med Perspect

Volume

12

Issue

5

First Page

75

Last Page

77

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