PFO

Alternative names
Patent foramen ovale

Definition

Fetuses have a normal opening between the left and right atria (upper chambers) of the heart. If this opening fails to close naturally soon after the baby is born, the condition is called patent foramen ovale (PFO).

Also check Patent foramen ovale.

Johns Hopkins patient information

Last revised: December 3, 2012
by Levon Ter-Markosyan, D.M.D.

Medical Encyclopedia

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