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: Pediatrics
[{'content': 'True about Rheumatic carditis - \nSelect and explain. \nA. Only endocarditis, B. Only myocarditis, C. Only Pericarditis, D. Pancarditis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is `d' i.e., Pancarditis Rheumatic carditis Seen in 40-60% of patients. o Usually seen within 3 weeks. o It is a pancarditis involving all the three layers --> Myocardium, endocardium & Pericardium. o Rheumatic carditis is the only manifestation of acute RF that has the potential to cause long term disability and death. o The diagnosis of rheumatic carditis requires presence of one of the following. Organic cardiac murmurs not present previously. Cardiomegaly Congestive hea failure Pericarditis", 'role': 'assistant'}]