Figure 5: Selected cineangiographic frames from aortic arch cineangiograms in 20° left anterior oblique view in a three-month-old infant demonstrating aortic coarctation (arrow) prior to (A) and immediately after balloon angioplasty (B). Note improvement in coarctation segment size. C, catheter in the superior vena cava; CC, common carotid artery; DAo, Descending aorta; Inn, innominate artery; LSA, left subclavian artery.