Perimembranous VSDs are also inferior to the crista supraventricularis, however extend into the muscular septum. Supracristal VSDs occur just beneath the aortic valve at the left ventricular ...

Perimembranous VSDs are also inferior to the crista supraventricularis, however extend into the muscular septum. Supracristal VSDs occur just beneath the aortic valve at the left ventricular ...

Muscular defects may be single or multiple ... Tubular defects in the ventricular septum (arrow). Faint enhancement of contrast at the apex of the right ventricle as sign of left–right shunt.