Author: Joelle Alexander, Sheldon Ferron / Editor: Ben Spowage-Delaney / Codes: EP1, SLO5 / Published: 22/10/2025
A 2-year-old girl presents to the Emergency Department (ED) with a 10-day history of food refusal and episodic non-bilious, non-bloody vomiting. The parents report that the child is otherwise well with no fever or abdominal pain. Bowel habits remain normal, and urine output is satisfactory.
There is no known history of witnessed foreign body ingestion, medication use, trauma or bleeding disorder.
The child has had 2 previous assessments within the past week, but no specific diagnosis is made.
She now re-attends and has a single episode of blood-stained vomitus in the department.
Observations are within normal limits, but the child appears withdrawn and pale.
The child is not in respiratory distress and there is no abdominal tenderness.
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Question 1 of 3
1. Question
In a stable child, not requiring resuscitation, which is the single most urgent investigation to perform at this stage?
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Question 2 of 3
2. Question
A chest/abdominal x-ray is performed, showing a 20mm radiopaque round foreign body located in the middle third of the oesophagus.
See the image below.
Fig.1 Radiograph revealing the presence of a button battery1
Which radiological sign on AP view distinguishes a button battery ingestion from a coin in the oesophagus?
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Question 3 of 3
3. Question
What is the most appropriate next step in management?
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