A patent foramen ovale or PFO is a defect in the wall between the two upper chambers of the heart. This defect is actually an incomplete closure of the atrial wall that results in a flap or valve-like ...

A PFO was detected in 164 subjects (14.9% ... a statement for healthcare professionals from the American Heart Association/American Stroke Association Council on Stroke: co-sponsored by the ...

Patent foramen ovale (PFO) is an interatrial communication at the level of oval fossa caused by the incomplete or missed fusion of the septum primum and septum secundum after birth. PFO has a ...

Heart–Brain Connection Migraine is more common in patients with a PFO; and a PFO is more common in patients with migraine. This epidemiological association is much stronger for migraine with ...

Learn about the groundbreaking research on evidence-based care at Toronto General Hospital Research Institute. Understand the ...