This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'Treatment of asymptomatic bradycardia is \nSelect and explain. \nA. No treatment is required, B. Give atropine, C. Isoprenaline, D. Cardiac pacing', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., No treatment is required", 'role': 'assistant'}]