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Author9 Posts

defect in membranous or muscular portion of the septum?


membranous portion


I agree


yes 90% membranous only.

if defect <0.5cm ,closes spontaneously,k/n as maladie roger .... :!:


so the defect can be in both muscular or memberanous portion, just that membranous is more common?


its membranous defect in 90% of cases.


then what about ASD?


IS atria also formed by a membranous and a muscular portion?


Atrial septum formed by mascular cushins Primum and Secundum septae. No membranous part to it.

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