Which metabolite causes coronary vasodilation during increased cardiac activity?
Show answer and explanation
Correct answer: Adenosine
Adenosine is a potent vasodilator released during myocardial hypoxia. It increases coronary blood flow.
Keep practicing
More Coronary circulation questions
- Why is myocardial oxygen extraction already high at rest?
- An increase in heart rate affects coronary blood flow primarily by:
- Which artery is most commonly involved in myocardial infarction?
- Coronary autoregulation refers to the ability to:
- Which condition most severely reduces coronary blood flow?
- The coronary sinus primarily drains blood into the: