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': 'An infant presents to OPD with signs of heart failure. On examination, there is hypotonia; hepatomegaly, cardiomegaly. ECG shows tall QRS complex and short PR interval. Which enzyme is deficient in this condition? \nSelect and explain. \nA. Glucose 6 - phosphatase, B. Muscle phosphorylase, C. Liver phosphorylase, D. Acid maltase', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hypotonia,\xa0hepatomegaly, cardiomegalyare seen in Pompe disease.\nAcid maltase or Alpha 1,4. Glucosidase is deficient in Pompe disease.', 'role': 'assistant'}]