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': 'Cardiomegaly is seen in – \nSelect and explain. \nA. Multivalvular disease, B. Anemia, C. Pericardial effusion, D. All of these', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Causes of Cardiomegaly \nMyocardial disease\n\nEndocardial fibroelastosis\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 o Glycogen storage disease\nMyocarditis (viral or idiopathic)\n\nCoronary artery diseases resulting in myocardial insufficiency\n\nAnomalous origin of the left coronary artery from the pulmonary artery\nCollagen disease (periaarteritis nodosa)\nKawasaki disease\n\nCongenital heart defect with severe heart failure\nMiscellaneous conditions\n\nCongestive heart failure (CHF) secondary to respiraoty disease (upper airway obstruction, bronchopulmonary dysplasia)\nSupraventricular tachycardia with CHF\nPericardial effusion\nTumors of the heart\nSevere anemia\nEndocrine disorders (thyrotoxicosis, pheochromocytoma)\nMalnutrition (beriberi, kwashiorkor, carnitine deficiency)\nSensitivity/toxic reactions (sulmonamides, doxorubicin)\nMuscular dystrophies\nFamilial dilated cardiomyopathies', 'role': 'assistant'}]