CONGRESS ABSTRACT

INTRODUCTION: Platypnea-Orthodeoxia Syndrome (POS) is a rare clinical condition characterized by dyspnea and arterial desaturation exacerbated in an upright position and alleviated in the supine position. The main pathophysiological mechanism involves an intra- or extracardiac right-to-left (R-L) shunt. We report an acute POS presentation secondary to traumatic tricuspid valve…