Figure 2: Selected cine frame from aortic arch angiogram in lateral view demonstrating a small patent ductus arteriosus (PDA) (arrow) in A. But, the ductal ampulla (AMP) was large and therefore, an Amplatzer duct occluder (ADO) was used to close the ductus resulting in complete occlusion of the ductus (B). Catheter with markers is seen in both A & B. DAo, descending aorta.