When Do Coronary Arteries Perfuse?
Because These Vessels Traverse the Myocardium, Myocardial Contraction During Systole Compresses Arterial Branches and Prevents Perfusion. Therefore, Coronary...
Because these vessels traverse the myocardium, myocardial contraction during systole compresses arterial branches and prevents perfusion. Therefore,
At what phase of the cardiac cycle do the coronary arteries fill?
Blood flow into the coronary arteries is greatest during ventricular diastole when aortic pressure is highest and it is greater than in the coronaries.
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Why are coronary arteries perfused during diastole?
Coronary blood flow occurs mostly during diastole because the coronary vasculature has one particular property: it is compressed by the contracting myocardium such that no flow occurs during systole.
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