Metabolic abnormality seen in congenital hyperophic pyloric stenosis is
To control alkalosis, kidney secretes excess bicarbonate. Due to hyponatremia, body conserves sodium and so bicarbonate is secreted along with the hydrogen in. Urine becomes acidic and called as paradoxical aciduria Reference: SRB edition: 5th page no:830
Hypochloremic hypokalemic metabolic alkalosis
Hyperchlonemic hypokalemic metabolic alkalosis
Hypochloremic hypokalemic metabolic acidosis
Hyperchoremic hypokalemic metabolic acidosis
G.I.T