No: Pfo does nnt cause heart murmur!
Answered 3/26/2023
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NO: A pfo is a small communication between the two upper chambers of the heart and usually it does not cause a murmur. Now if the hole is bigger it may be an atrial septal defect (ASD) which would cause a murmur. So unless it's an ASD and erroneously called a pfo, it should not cause a murmur.
Answered 9/11/2015
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