An atrial septal defect of the secundum type is relatively common and occurs from failure of the septum secundum to develop. This results in a communication between the left and right atrium ...

Postprocedure atrial fibrillation and persistent atrial ... endocarditis prophylaxis for primum, whereas for secundum and sinus defect, physical examination, Holter EKG and echocardiography ...

Less common than the secundum type atrial septal defect, a primum ASD is usually small and less commonly requires intervention when it occurs in isolation. Frequently it is considered as a part of ...

Ostium secundum atrial septal defect (OSASD) occurs as an isolated defect in 10% of individuals with congenital heart disease (CHD). In small nuclear-family studies (parents and siblings), OSASD ...