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': "A 55-year-old male patient underwent cholecystectomy for Gall stone calculus. During surgery the patient's pulse was irregulary irregular, 160/min, BP = 80/50 mm of Hg, temp. 40degc On examination a swelling in the neck was found. Most likely diagnosis is - \nSelect and explain. \nA. Thyroid storm, B. Myocardial infarction, C. Arhmias, D. Stridor", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Thyroid Storm", 'role': 'assistant'}]