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': 'Antiboiotic Prophylaxis for infective endocarditis is indicated in: \nSelect and explain. \nA. Isolated secundum ASD, B. Mitral valve prolapse without regurgitation, C. Prior coronary aery bypass graft, D. Coarctation of aoa', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Coarctation of Aoa) Coarctation of Aoa is a high risk cardiac lesion fior the development of infective endocarditis and an indication fir antibiotic prophyloxis.', 'role': 'assistant'}]