Related Questions

How could a high heart rate influence coronary artery perfusion and myocardial oxygen delivery?

Decrease. In coronary perfusion pressure due to shortened diastole. Oxygen demand is increased but perfusion may not keep up if there is narrowing of coronary artery. Read more...

What is the physiology that explains how a high heart rate influences coronary artery perfusion and myocardial oxygen delivery?

Circular question. By itself, a high heart rate will result in higher oxygen demand and utilization, but delivery should also increase to compensate. So everything should balance if the heart is healthy. If the heart isn't healthy to begin with a high heart rate is not desirable. Read more...