The nursing instructor, while teaching the physiology of the heart, informs the students that there are 3 major determinants of myocardial oxygen demand, which include the heart rate, left ventricular contractility, and systolic pressure. Which does she tell them is the most important factor in myocardial oxygen demand?

Heart rate

Explanation:

https://quizlet.com/434910761/porth-patho-chapt-19-flash-cards/

found it on this quizlet :D

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