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Intussusception — ABEM Board MCQ

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ModeratePediatric emergenciesIntussusceptionABEM Board

A 9-month-old boy arrives with intermittent severe crying and vomiting. Triage acuity is ESI 3; BP 92/54 mm Hg, HR 150/min. Between episodes he appears lethargic. Abdomen is soft with a sausage-shaped mass in the right upper quadrant, and stool is heme positive. Which of the following is the most appropriate imaging study?

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Correct answer: D — Abdominal ultrasound

Ultrasound is the preferred initial imaging test for suspected intussusception.

Reference: Pediatric emergency radiology guidance