Giant Dilatation of the Right Coronary Aortic Bulb with Compression of the Right Ventricular Outflow Tract Mimicking a Ventricular Septal Defect: Diagnostic workup Using Echocardiography, Heart Catheterization, and Cardiac Computed Tomography

Figure 1

Comparison of transthoracic echocardiography and cardiac computed tomography angiography (CCTA). Short parasternal axis with and without aortic outflow tract (a) and (b), two-chamber view with left ventricular outflow tract (c), and top view with tricuspid aortic valve (d) and (f). Compression of the right ventricular outflow tract (e), 3D reconstruction of the aortic root (g), and four-chamber view (h) in CCTA. (LVOT: left ventricle outflow tract, RVOT: right ventricle outflow tract, LAD: left anterior descending, RCA: right coronary artery.)