O2 consumption by the hea is determined primarily by: (A) Intramyocardial Tension, (B) Contractile state of hea, (C) Hea rate, (D) All of the above
Answer is D. O2 consumption by the hea is determined primarily by the intramyocardial tension, the contractile state of the myocardium, and the hea rate. Ventricular work per beat correlates with O2 consumption