Subcostal coronal still frame showing a membranous ventricular septal defect (VSD) just apical to the aortic valve.
2D: two-dimensional; AO: aorta; LV: left ventricle; RV: right ventricle; LA: left atrium; RA: right atrium; IVS: intact trabecular portion of the intraventricular septum; arrow: VSD.