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A member asked:
What is different between pfo and ostium secundum atrial septal defect?
5 doctors weighed in across 3 answers
Size: Location is essentially same. Patent foramen ovale- pfo is small and a flap may intermittently cover, asd secundum is at foramen ovale and always open and variable in size. Asd primum is higher, may be larger and include superior pulmonary vein anomaly.
Answered 8/20/2013
4.9k views
ASD Vs PFO : ASD is a defect ( hole) in the atrial septum and usually requires closure. Pfo ( patent foramen ovale ) is a potential opening between two flaps of atrial septum which usually does not produce shunt. If atrium enlarges, pfo can open up. Recently pfo has been implicated in stroke and migraine.
Answered 6/15/2014
4.9k views
Size & Location: A pfo is the persistence of a normal fetal communication between the top two chambers of the heart. A secundum ASD is an abnormal hole in the atrial septum. They vary in size though, so treatments vary.
Answered 6/10/2014
4.9k views
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