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Intussusception — RCPSC EM MCQ

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ModeratePaediatric emergenciesIntussusceptionRCPSC EM

CTAS 2. A 9-month-old has episodic crying, vomiting, and lethargy. Between episodes he appears pale. Abdomen is soft and a sausage-shaped mass is suspected. Stool is positive for occult blood. What is the most appropriate investigation?

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Correct answer: D — Abdominal ultrasound

Ultrasound is the preferred initial diagnostic test for suspected intussusception and can guide air or contrast enema reduction.

Reference: Canadian Paediatric Surgery Network resources; Tintinalli's Emergency Medicine