Ventricular septal defect (VSD)
Ventricular septal defect (VSD) A hole between the two bottom chambers, the ventricles, of the heart that permits oxygen-poor blood from the right ventricle to mix with oxygen-rich blood from the left ventricle.
Ventricular septal defect (VSD) A hole between the two bottom chambers, the ventricles, of the heart that permits oxygen-poor blood from the right ventricle to mix with oxygen-rich blood from the left ventricle.