True about hyperophic pyloric stenosis is all except:: (A) Typical electrolyte abnormality is Hypochloremic, hypokalemic, metabolic alkalosis with paradoxical aciduria ., (B) First born male is commonly affected, (C) Ramstedt operation is done, (D) Visible peristalsis is always seen
Answer is D. Clinical presentation: Infants is normal at bih, symptomatic between the ages of 3-6 weeksQ . Infants with HPS typically present with projectile non bilious vomitingQ. Visible gastric peristalsis may be seen (not always)as a wave of contraction from the left upper quadrant to the epigastriumQ. Typical electrolyte abnormality: Hypochloremic, hypokalemic, metabolic alkalosis with paradoxical aciduriaQ. First born male commonly affected. Ramsted operation commonly done.