Platypnea Orthodeoxia Syndrome

**Definition:** Orthostatic dyspnea and fall of oxygen blood saturation when standing up which regress by assuming lying position.

**Tree numbers:** - C08.618.326.698 - C23.888.852.079.898 - C23.888.852.371.698

**Synonyms:** - POS Platypnea Orthodeoxia Syndrome - POS Platypnea-Orthodeoxia Syndrome - Platypnea-Orthodeoxia Syndrome