Figure 14From: Ventricular septal defectThe subxyphoid four chamber cross-sectional echocardiogram shows the fibrous continuity between the leaflets of the aortic and tricuspid valves that reveals the defect to be perimembranous (white arrow) and opening to the inlet of the right ventricle (left hand panel). The right hand panel shows the color Doppler flow demonstrating the right-to-left shunt.Back to article page