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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.
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Rate of impulse generation is maximum in
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The correct answer is  SA node is located at the junction of the superior vena cava with the right atriumEven though Av node Bundle can produce impulse rate of impulse production is higher in SA nodeRef: Ganong's Review of Medical Physiology Twenty-Third Edition Page No:490