What is the most common type of atrial septal defect?
Cardiac Imaging
No
U
A
Ostium secundum atrial septal defect is the most common type, accounting for about 75-80% of ASDs. Primum is the second most common type (approximately 15%). Sinus venosus ASD is least common (approx. 10%); however this is the one that is most commonly associated with anomalous pulmonary venous return.
Heads up! You can use keyboard for test navigation: press → for Next,
← for Previous, M for Mark/Unmark, P for Pause,
R for Review, A,B,C,... or 1,2,3,... to select answer.
