Maximum blood flow to Coronaries occur during?: (A) Early pa of systole, (B) Systole proper, (C) Early pa of diastole, (D) Diastole proper
Answer is C. In each cardiac cycle 80% cbf occurs during diastole and the remaining 20% of cbf occurs during systole. Ref: page no363 Textbook of physiology Volume 1 AK Jain 7th edition