Bidirectional shunt

Template:WikiDoc Cardiology News Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

A bidirectional shunt is a cardiac shunt which allows, or is designed to cause, blood to flow freely between the right heart and the left heart. This occurs when:

1. there is an opening or passage between the atria, ventricles, and/or great vessels; and,
2. right and left heart pressures are approximately equal.

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