Heart Valve Disease. Heart valve function is to ensure that the blood flows freely in one direction of flow and the absence of a leaking backflow. And
heart valves that consists of four heart valves are two valves
atrioventrikuler, from the atria to the ventricles, and 2 pulmonary
valve and aortic semilunar ie, from the ventricle into the pulmonary
circulation and the systemic circulation.


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