Cardiovascular

Patent Foramen Ovale

Persistent fetal opening between the atria, often incidental.

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Overview

Persistent fetal opening between the atria, often incidental.

Also known as: pfo

In-depth guidance

A structured clinical overview of Patent Foramen Ovale — symptoms, red flags, causes, and care pathways — is being prepared by our clinical reviewers. In the meantime:

→ Ask the Health Assistant about patent foramen ovale
→ Start a structured symptom assessment
→ Browse related symptoms

⚠ When to seek urgent care

Sudden severe symptoms, breathing difficulty, chest pain, confusion, fainting, severe bleeding, or any rapidly worsening illness need urgent assessment. Call your local emergency number.