Original sentence: 70% usually results in pain.Mycardial bridging causes sustained Ventricular Tachycardia.Myocardial bridging occurs when the coronary arteries tunnel through instead of sit on top of the myocardium.This can lead to uncomfortable powerful heart beats, and angina
Edited sentence: A myocardial bridge occurs when the one of the coronary arteries tunnels through the myocardium rather than resting on top of it.A result of at least 70% usually causes some pain.As the heart squeezes to pump blood, the muscle exerts pressure across the bridge and constricts the artery.But if the muscle grows around one of the larger arteries, then a myocardial bridge is formed.Harlan Krumholz, M.It can lead to uncomfortable, powerful heartbeats and angina.Medical definition of myocardial bridge.This defect is present from birth.Typically, the arteries rest on top of the heart muscle and feed blood down into smaller vessels that innerdigitate throughout the myocardium.discusses myocardial bridging