Show pageBacklinksCite current pageExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. An ostium secundum atrial septal defect is a type of congenital heart defect called an [[atrial septal defect]] (ASD). An ASD is a hole in the wall (septum) between the two upper chambers of the heart (the atria) ostium_secundum.txt Last modified: 2024/06/07 02:51by 127.0.0.1