Oct 11, · Most large atrial septal defects now can be closed either with open-heart surgery or during a cardiac catheterization using a device inserted into the opening to plug it (referred to as interventional or therapeutic catheterization (PDF)). However, if the ASD is in an unusual position within the heart, or if there are other heart defects such as abnormal connections of the veins bringing . Atrial Septal Defect An atrial septal defect (ASD) is one of the most common forms of congenital heart disease found in adults. Although there are at least three different forms of atrial septal defect, they all have in common a communication between the right and left atrium.
Atrial Septal Defect (ASD) If there is a hole in the atrial septum, it is called an atrial septal defect (ASD). Some of the blood that should flow into the left ventricle (or lower pumping chamber) from the left atrium now flows into the right atrium through the ASD. In turn, more blood goes to the right side of the heart and back to. Atrial septal defect (ASD) is the most prevalent congenital cardiac anomaly in adults 1, accounting for ~35% of all congenital heart defects. Late presentation is due to the insidious development of right ventricular remodeling, with enlargement of right cardiac allstatecareeredu.info by: 3.