Surgery G.I.T bdcb2ed5 Features of pyloric stenosis A Hypokalemic alkalosis B Peristalsis right to left C Commonly caused by carcinoma stomach D Retention vomiting present High-Yield Explanation Because of vomiting-hypochloremia hyponatremia, hypocalcemia, hypomagnesemia alkalosis occurs. Reference: SRB edition:5th page no: 829