Atrioventricular septal defect with common atrioventricular valve, Rastelli type A. (A): Internal view of left heart chambers. The dotted line indicates the plane of the atrioventricular junction. The upper asterisk corresponds to the ostium primum, the lower asterisk to the atrioventricular septal defect and the arrow to the ventricular septal defect. (B): Four chamber echocardiographic image in situs solitus shows Rastelli type A insertion. Observe the same features as in the anatomic specimen. Abbreviations: LA: Left atrium; RA Right atrium; LV: Left ventricle; RV: Right ventricle.