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.
What Is a Ventricular Septal Defect (VSD)? A ventral septal defect, more commonly known as a ventricular septal defect (VSD), is a hole between your heart’s lower chambers, or ventricles. The defect ...