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: Surgery
[{'content': 'In eosphageal perforation all are seen except? \nSelect and explain. \nA. Pain, B. Bradycardia, C. Fever, D. Hypotension', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., bradycardia", 'role': 'assistant'}]