Table 3. The NEXUS C-Spine criteria for the need for radiological imaging.

NEXUS: National Emergency X-ray Utilization Study

Adapted from [7].

Nexus C-Spine criteria
No posterior midline cervical spinal tenderness	If YES to all, then no radiography is required. If NO to any question then radiography is required.
No evidence of intoxication
Normal level of alertness
No focal neurological deficit
No painful distracting injuries