Membranous VSDs are the most common type ... A Gerbode defect is technically a type of ventricular septal defect, although this results in a left ventricular to right atrial shunt.

He had been diagnosed with membranous ventricular septal defect (VSD) during childhood, but had received no regular monitoring or treatment for this condition. There was no history of prolonged ...

The soldier had penetration of his right atrium and subsequent traumatic membranous ventricular septal defect and complete heart block. He was brought to a Combat Support Hospital where ...