Interatrial septal defect | definition of interatrial septal defect by Medical dictionary
interatrial septal defect
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interatrial septal defect A congenital abnormal opening in the wall (septum) between the two upper chambers (atria) of the heart. One of the forms of ‘hole in the heart’ defect.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive
The most common interatrial septal defect
type associated with PAPVC is the sinus venosus .
Percutaneous transcatheter closure of interatrial septal defect
in adults: procedural outcome and long-term results.
We also detected a 3 mm small interatrial septal defect
. Left ventricle was dilated and ejection fraction was calculated as 56%.