When Betty Vanella was born in 1930, nature seemed to have gone out of its way to do everything wrong in building her heart. The two "great vessels" were hooked up in reverse: the aorta, which is supposed to send oxygenated blood from the left lower chamber out to the body, emerged instead from the right lower chamber; the pulmonary artery, which is supposed to send used venous blood from the right lower chamber to the lungs for oxygenation, was connected where the aorta should have been. To make matters worse, the outflow...
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