Hypertrophic pyloric stenosis Dr N PUSHPALATHA HYPOCHLOREMIC METABOLIC ALKALOSIS HYPOKALEMIA CLINICAL MANIFESTATIONS DIAGNOSIS • History examination • Olive –like mass easily palpated when stomach is empty • Vomiting usually occurs after 30min of feeding and projectile ,nonbilious • Dehydration ,ftt signs • Usg • Lab –hypochloremic metabolic alkalosis usg Therapeutic management • Preoperative • Rehydration 24 hours before surgery • Metabolic alkalosis correction with fluids and electrolytes • surgery Post operative • Npo Complications •