Patent foramen ovale: Symptoms, risks, and treatment options
A patent foramen ovale (PFO) is a small opening in the heart that many people are born with. While it usually causes no problems and most people are unaware they have one, in some cases it can be linked to conditions such as strokes or migraines. In this article, a consultant cardiologist explains what a PFO is, how it can affect your health, how it is diagnosed, and the treatment options available.



