<prompt> Hyperophic pyloric stenosis what to be normalized before surgeryPotassiumBicarbonateCalciumWater  <response>: Due to severe vomiting, there will be hypochloraemic, hyponatremic, hypokalemic, hypomagnesemic metabolic alkalosis, so we have to correct alkalosis by if bicarbonate. SRB edition :5 page: 829 