Musculoskeletal: Need for imaging
Ankle injury: is x-ray needed (Ottawa) C-spine radiography (NEXUS) C-spine radiography rule (Canadian) Foot injury: is x-ray needed (Ottawa) Head CT after minor head injury (Canadian) Head CT after minor head injury (New Orleans) Knee injury: is x-ray needed (Ottawa) TBI in children < 2 years: need for CT TBI in children 2+ years: need for CT