<prompt> All are true about Bater syndrome except?Urinary calcium increasedHypokalemic alkalosisMineralocoicoid antagonist can be used.Normal Blood pressure  <response>: The defect in Bater syndrome in thick ascending limb of Loop of Henle- urinary loss of calcium nephrocalcinosis The salt wasting and polyuria lead to dehydration- stimulates the R.A.A.S- secondary hyperaldosteronism. This explains the hypokalemia. ROMK receptors in TAL are affected leading to urinary loss of potassium. intra-renal prostaglandins and hence indomethacin is prescribed Secondary aldosteronism explains the development of metabolic alkalosis 