system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
True about cardiac O2 demand is-
assistant
The correct answer is  Ans. (a) Directly proportional to mean arterial pressureRef: Ganong, 25th ed/p.612Myocardial oxygen consumption is directly proportional to mean arterial pressure