Pyloric Stenosis

Pyloric stenosis typically presents in first born males, aged 4-8 weeks, as increasingly projectile nonbilious emesis. It is caused by muscular hypertrophy of the pylorus, which results in outflow obstruction. Physical exam may reveal a classic palpable olive in the right upper quadrant or upper mid abdomen. Electrolyte abnormalities are common and include metabolic alkalosis with potassium and chloride depletion. Diagnosis can be confirmed with ultrasound or upper GI series. Treatment involves fluid resuscitation and correction of electrolyte abnormalities, followed by the Fredet-Ramstedt pyloromyotomy, which is incision and spreading open of the seromuscular layer of the pylorus. Postoperative feeding protocols involve frequent small feeds of progressively less dilute formula over approximately two days.

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100 Bodybuilding Tips

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