This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other hea diseases in children, Subject name: Pediatrics
[{'content': 'Commonest cause of hea failure in infancy is: \nSelect and explain. \nA. Myocarditis, B. Rheumatic fever, C. Cardiomyopathy, D. Congenital hea disease', 'role': 'user'}, {'content': 'Answer: D \nExplanation: --> The most common cause of Congestive hea failure (CHF) in infants-- Congenital hea disease. OTHER IMPOANT ONE LINERS: --> MC congenital hea disease in children --> VSD --> MC congenital acyanotic hea disease in children --> VSD --> MC congenital hea diseases affected by infective endocarditis in children --> VSD --> Congenital hea disease which is least commonly affected by Infective endocarditis --> ASD --> MC congenital hea disease causing moality in 1st wk of life --> Hypoplastic Left Hea Syndrome.', 'role': 'assistant'}]