Patent foramen ovale history and symptoms


 * Associate Editors-In-Chief: Priyamvada Singh, M.B.B.S. [mailto:psingh@perfuse.org]; Assistant Editor-In-Chief: Kristin Feeney, B.S. [mailto:kfeeney@perfuse.org]

Overview
The vast majority of patients with a patent foramen ovale do not have symptoms. Patients with right-to-left shunting can have cyanosis. These cyanosis episode might get exacerbated in case of increased pressure in pulmonary vasculature like breath holding, crying, or the valsalva maneuver.

Rare Symptoms

 * Cryptogenic Stroke and Transient Ischemic Attack


 * Migraine Headaches


 * Decompression Sickness


 * Platypnoea orthodeoxia syndrome

Other rare presentations might include - Acute myocardial infarction, fat embolism and carcinoid syndrome