The large veins leading blue or unoxygenated blood into the right heart from the body. The strong pumping chamber that ejects blood from the heart. In malformed hearts, the position and alignment of the ventricular chambers can be considerably altered, but the function of pumping blood out of the heart remains the same. In some complex congenital defects the pressure and flow are reversed. VSDs vary in size and location.
Repair depends on the anatomy and the location of the defect.