An atrial septal ... defect 3 = Ostium secundum atrial septal defect 4 = Coronary sinus atrial septal defect 5 = Ostium Primum atrial septal defect The murmur produced by an ASD is due to ...

An ostium primum atrial septal ... septal defect 4 = Coronary sinus atrial septal defect 5 = Ostium Primum atrial septal defect The murmur produced by an ASD is due to increased flow through ...

It is one of the most common congenital heart defects, which are structural problems that develop before a baby is born or at birth. When an atrial septal defect is present, some oxygen-rich blood ...