Button battery ingestion

Main risk:
1. airway compromise
2. ulceration/perforation of GI tract
History - co-ingestion - magnets etc?
- what kind of battery (assume lithium ion)
Examination A/B: any Impending airway doom
C/D: ?
E: abdo pain
Diagnostic investigations AXR - differentiate from coin by double-shadow
Differentials
Immediate management Immediate surgical referral for endoscopic removal
Ongoing management

The negative battery pole, identified as the narrowest side on the lateral x-ray, causes the most severe, necrotic injury.