A 9-month-old infant presents to a Sydney ED, triage category 2, with intermittent screaming, pallor and vomiting. The abdomen is soft between

Question

A 9-month-old infant presents to a Sydney ED, triage category 2, with intermittent screaming, pallor and vomiting. The abdomen is soft between episodes, and there is red currant jelly stool on nappy. Vitals are stable after fluids. What is the most appropriate investigation?

Accepted Answer

Abdominal ultrasound

Answer

Barium meal follow-through

Answer

Outpatient stool microscopy

Answer

CT abdomen with contrast as first test

Answer

Plain skull radiograph

Intussusception — ACEM Fellowship MCQ

A 9-month-old infant presents to a Sydney ED, triage category 2, with intermittent screaming, pallor and vomiting. The abdomen is soft between episodes, and there is red currant jelly stool on nappy. Vitals are stable after fluids. What is the most appropriate investigation?