Myocardial oxygen demand depends upon-
Correct Answer: Preload
Description: Ans. (a) Preload, B. Afterload, C. Intramyocardial tensionRef: Ganong, 25th ed/p.611Primary determinants of myocardial oxygen consumption are,#intramyocardial tension#contractile state of the myocardium#heart rate#Ventricular work (preload and afterload)-Ventricular work is the product of stroke and mean arterial pressure
Category:
Physiology
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