Patent Foramen Ovale: Prior to birth, there is an opening (foramen or hole) between the two upper chambers of the heart, it is called the foremen ovale. The foreman ovale usually closes shortly after birth. If it does not close, the condition is called patent foramen ovale (PFO). PFO is common. It occurs in one of every four people. f there are no other heart conditions or complications, treatment is not necessary.
Answered 8/25/2016
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