Platypnea orthodeoxia syndrome after recent stroke: a case report of a sandwiched right atrium.

ABSTRACT:

Background

Platypnea orthodeoxia syndrome (POS) is a condition characterized by onset or worsening of dyspnoea and desaturation in upright position that is relieved by returning to a supine position. This case report illustrates a sudden onset of severe platypnea caused by compression of the right atrium (RA) due to aortic dilatation and unilateral diaphragmatic paralysis after a recent stroke.

Case summary

A 71-year-male patient with a medical history of recent stroke of the left hemisphere was referred to emergency department with acute dyspnoea. During observation in the emergency department, desaturation was noted in upright position. A contrast computed tomography excluded pulmonary embolism but revealed a dilated aortic root and an elevated right hemidiaphragm. The RA

SUBMITTER: Wiertsema MH 

PROVIDER: S-EPMC9290560 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature