Ventricular septal defect is a hole in the wall between the right and left ventricles of the heart. This abnormality usually develops before birth and is found most often in infants. The ventricles ...
Ventricular septal defect (VSD) is a birth defect in babies that causes a hole in the wall (or septum) between a baby’s lower heart chambers. Heart chambers are also called right and left ventricles.