Button Batteries
http://www.poison.org/battery/guideline.asp
National Button Battery Ingestion Hotline
Imaging
- PA/Lateral CXR
- No further emergent Tx if below diaphragm (f/u cxr 48 hours)
- Esophageal impaction is emergency (must remove within 2 hours)
Diameter
- Dime (10 cents) - 18 mm
- Nickel (5 cents) - 21 mm
- Quarter (25 cents) - 24 mm
- Battery - 6-23 mm (most are 8-12 mm)
- May display "double-rim sign"