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': 'A 30 year old male presents with severe pain chest, breathlessness, hypotension and ECG shows ST elevation in V3, V4 V5 and V6 leads. He will be best treated with \nSelect and explain. \nA. Streptokinase, B. t-PA, C. Heparin, D. PTCA', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Percutaneous transluminal coronary angioplasty (PTCA) is a minimally invasive procedure to open up blocked coronary arteries, allowing blood to circulate unobstructed to the heart muscle.', 'role': 'assistant'}]