Answer:

The coronary blood flow depends on the following:

• Diastolic aortic pressure (DAP)

• LVEDP

• Patency of coronary arteries

• Coronary vascular tone

And it can be determined by the formula:

The arterial O₂ content (CaO₂) is determined by the following equation:

• O’Brien ERM, Nathan HJ. Coronary physiology and atherosclerosis. In: Kaplan JA, Reich DL, Savino JS, eds. Kaplan’s Cardiac Anesthesia: The Echo Era. 6th ed. Philadelphia, PA: Elsevier Saunders; 2011:132-156.