Double outlet ventricle is present when all of one great vessel and more than 50% of the second great vessel arise from one ventricle. The presence of pulmonary stenosis protects the lungs from overperfusion, and in its absence the lungs are flooded and there is congestive heart failure. Total correction is undertaken at any age when symptoms dictate. Surgery is performed with cardiopulmonary bypass, moderate hypothermia, aortic cross-clamping, and cardioplegia with local cardiac cooling.
main pulmonary artery ascending aorta
Figure 10-1. In this infant, the great vessels and semilunar valves are oriented side by side and at the same level.
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Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...