STANFORD UNIVERSITY MEDICAL CENTER

This shunting with increase pressure causes the lung arteries to narrow due to thickening of their walls and cause obstruction. Atrioventricular canal - refers to a congenital heart defect (AVSD) involving an opening low in the atrial septum, an opening high in the ventricular septum, and abnormal development of the mitral and/or tricuspid valves. ................
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