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==Atrial septal defect== | ==Atrial septal defect== | ||
*Abbreviated ''ASD''. | |||
===General=== | |||
*May be seen in adults. | *May be seen in adults. | ||
Clinical: | |||
*Fixed S2 split. | *Fixed S2 split. | ||
===Classification=== | ===Classification=== | ||
Types:<ref> | Types:<ref name=Ref_PCPBoD8|287>{{Ref PCPBoD8|287}}</ref> | ||
#Ostium secundum | |||
#*Between SVC and IVC. | |||
*Upper sinus venosus defect - at SVC. | #Ostium primum | ||
*Lower sinus venosus defect - at IVC | #*Between SVC and IVC. Closer to RV. | ||
#Sinus venosus. | |||
#*May be subdivided into: | |||
#**Upper sinus venosus defect - at SVC. | |||
#**Lower sinus venosus defect - at IVC. | |||
The ostium secundum are the most common and usually found in isolation, i.e. there are not other associated abnormalities. | Notes: | ||
*The ostium secundum are the most common and usually found in isolation, i.e. there are not other associated abnormalities. | |||
==Eisenmenger syndrome== | ==Eisenmenger syndrome== |
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