Patent Foramen Ovale (PFO): A Hidden Link in Stroke, TIA, Migraine and More — When to Close the Hole in the Heart
The foramen ovale is a fetal opening that typically closes after birth. A Patent Foramen Ovale (PFO) occurs when this flap does not fully seal, which can be a cause of cryptogenic stroke. Diagnosis involves a bubble contrast study, and treatment, such as clam shell closure, can…