Hypochloremia, hypokalemia and alkalosis are seen in?
Congenital hyperophic pyloric stenosis
Hirschsprung's disease.
Esophageal atresia
Jejunal atresia
Ans is 'a' i.e. Congenital hyperophic pyloric stenosis Biochemical abnormality in congenital hyperophic pyloric stenosis is a regular feature of AIIMS and AI examinations it has been repeated several times. The biochemical abnormalities seen are: ( I ) Hypokalemia (3) Alkalosis and (2) Hypochloremia (4) Paradoxical aciduria