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: Psychiatry
[{'content': 'Male with symptoms mimicking heart disease with normal ECG & X-ray, the diagnosis is - \nSelect and explain. \nA. Angina pectoris, B. Panic attack, C. ANS instability, D. Vasovagal attack', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Panic attack may present like angina / MI e.g. palpitation, sweating, dysnea, chest discomfort or pain.', 'role': 'assistant'}]