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 ...

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 ...

Diagnosing a secundum ASD is more often than not incidental ... with bacterial endocarditis prophylaxis for primum, whereas for secundum and sinus defect, physical examination, Holter EKG and ...

Primum (2 patients), secundum (68 patients ... Rush University Medical Center, Chicago, IL Secundum atrial septal defect (ASD) is the most common and simple type of ASD. Echocardiography (less ...