The image to the right shows the location of the different types of atrial septal defects while looking from the right atrium. 1 = Upper sinus venosus defect 2 = Lower sinus venosus defect 3 ...

The image to the right shows the location of the different types of atrial septal defects while looking from the right atrium. 1 = Upper sinus venosus defect 2 = Lower sinus venosus defect 3 ...

1 with a sinus venosus atrial septal defect; 2 with atrioventricular septal defect; 1 with a perimembranous ventricular septal defect; 2 with pulmonic valve stenosis; 2 with hypoplastic left heart ...

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 ...