How does the? Blood flow work with a? Ventricular septal defect?

VSD. A vsd is a hole between the bottom two pumping chambers of the heart. Symptoms are usually based on age and size. A young infant born with a large vsd can progressive to congestive heart failure. The right ventricle receives extra blood flow from the left and sends it to the lungs resulting in fluid overload. Some medications used are Lasix (furosemide) to manage medically as infant gains weight before surgery.