True about hyperophic pyloric stenosis is all except:
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.
Typical electrolyte abnormality is Hypochloremic, hypokalemic, metabolic alkalosis with paradoxical aciduria .
First born male is commonly affected
Ramstedt operation is done
Visible peristalsis is always seen
Stomach & Duodenum