Patent Foramen Ovale
If the normal opening between the left and right atria of the heart fails
to close naturally soon after a baby is born, it is called a patent foramen
A PFO enables blood to bypass the lungs. PFOs are not uncommon, and in
most cases don’t
Often PFOs aren’t diagnosed unless a patient has a stroke or another
illness. A Transesophegeal Echocardiogram can diagnose a PFO.