Heart Valves & Structural Conditions
Patent Foramen Ovale
Cross-section of the heart's upper-chamber wall. The PFO flap lets blood (and clots) cross right-to-left, which can lead to stroke.
This is a free, plain-language patient education guide written by Rias Ali, MD, FACC, a board-certified interventional cardiologist. Every guide is grounded in current peer-reviewed evidence and major society guidelines, organized in a way patients can actually use during a visit.
Download the Patent Foramen Ovale guide
What's inside this guide
- Plain-language explanation of patent foramen ovale
- Why it matters and what the major risks are
- Treatment options with risks, benefits, and alternatives
- Common misconceptions clarified
- Lifestyle and self-care advice
- Specific warning signs — when to call us, when to call 911
- Sources used to build the guide (peer-reviewed and society guidelines)