Diagnosing a secundum ASD is ... Holter ECG and echocardiography every 12-18 months together with bacterial endocarditis prophylaxis for primum, whereas for secundum and sinus defect, physical ...

Primum (2 patients), secundum (68 patients) and sinus defects (4 patients ... Chicago, IL Secundum atrial septal defect (ASD) is the most common and simple type of ASD. Echocardiography ...