Flow of blood backward from the aorta into the heart, caused by a weak heart valve, is called:

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Quizplus · Accepted Answer

Aortic regurgitation refers to the backflow of blood from the aorta into the heart caused by a weak aortic valve. Myocardial infarction and myocardial ischemia both involve a lack of blood flow to the heart, but they are not related to backflow from the aorta. Valvulitis is inflammation of a heart valve, which may cause it to become weak, but it does not specifically refer to backflow. Ventricular septal defect is a hole in the wall between the heart's lower chambers, which also does not relate to aortic regurgitation.

Flow of Blood Backward from the Aorta into the Heart