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': 'A child with recurrent muscle cramps and spams On analysis there is hypokalemia , metabolic alkalosis , hypocalciuria but increased urinary magnesium . What is the most probable diagnosis ? \nSelect and explain. \nA. Bartter syndrome, B. Gittelman syndrome, C. Liddle syndrome, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Gittelman syndrome\xa0 :\nDefect in Na-Cl co-transporter.\nHypokalemic metabolic\xa0alkalosis.\nHypocalciuria - No stones in urine.\nHypomagnesemia due to\xa0↑\xa0urinary magnesium.', 'role': 'assistant'}]