IHPS

More common in males

First male

Hypochloraemia, hyponatremia, hypokalemia metabolic alkalosis

U/s! Thickness >4mm, length >16 mm

Dehydration, failure to thrive, HUNGER AFTER FEEDING,OLIVE MASS, PROJECTILE, NON BILIOUS VOMITING, persistent and progresses with time.

IT IS NOT CONGENITAL HENCE IT NEVER PRESENTS before 2weeks of life. It takes time for the circular muscle to undergo HYPERTROPHY AND HYPERPLASIA ( >2wks- 8wks)

DDX OF NON BILIOUS VOMITING: physiological GERD/ proximal to ampulla of vater duodenal obstruction/ errors in feeding/ NON SPECIFIC MARKER OF ILLNESS

TREATMENT: RESUSCITATE FIRST, THIS IS NOT AN EMERGENCY.
DEFINITIVE TREATMENT= RAMSTEDT PYLOROMYOTOMY

Important! Look for target sign.
String sign.

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