Inlet perimembranous ventricular septal defect without atrioventricular septal malalignment without a common atrioventricular junction (Q95845)

A congenital cardiac malformation in which there is a ventricular septal defect that usually, but not always, extends beneath the full annular length of the septal leaflet of the tricuspid valve and to the membranous septum, into the inlet component of the right ventricle in the absence of atrioventricular septal malalignment and of a common atrioventricular junction.