CONGRESS ABSTRACT

A 78 year old woman was admitted to emergency room for acute respiratory failure hypoxemic normocapnic.  In past medical history: ischemic stroke; in the last month 3 episodes of absence in sitting position.  In blood tests normal values ​​of d–dimer and NT–proBNP; no evidence of lung disease on chest…

Introduction: Platypnea-orthodeoxia syndrome (POS) is a condition characterized by positional dyspnea, hypoxiemia and arterial oxygen desaturation triggered by upright position and relieved by supine decubitus. Pathophysiology of POS is based on mixture of deoxygenated venous blood with arterious blood. A Patent Foramen Ovale (PFO) is the most common cause…

First described in the mid-20th century, platypnea-orthodeoxia syndrome (POS) is a rare condition characterized by positional shortness of breath and low blood oxygen levels. These features are triggered by standing and alleviated by clinostatism. It is most often linked to right-to-left shunting through a patent foramen ovale (PFO) or…