This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acute coronary syndrome, Subject name: Medicine
[{'content': 'Bradycardia is a feature of? \nSelect and explain. \nA. Inferior wall MI, B. Antro septal, C. Lateral wall MI, D. Posterior wall MI', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pathological cause of sinus bradycardia is acute myocardial infarction. Sinus bradycardia is paicularly associated with inferior myocardial infarction as RCA supplies SAN and AVN.', 'role': 'assistant'}]