Nexus Criteria Calculator
Determine if cervical spine imaging is needed after trauma using NEXUS criteria. Enter values for instant results with step-by-step formulas.
Reviewed by Rahul Singh, Health & Wellness Specialist
Reviewed by Rahul Singh, Health & Wellness Specialist
Formula
If ALL 5 criteria are absent → C-spine imaging NOT indicated
NEXUS (National Emergency X-Radiography Utilization Study) criteria determine if cervical spine imaging is needed after trauma. 99.6% sensitivity for significant C-spine injury.
Worked Examples
Example 1: Low-risk trauma
Problem:Alert, sober, no tenderness, no neuro deficit, no distracting injury
Solution:All 5 criteria absent → No imaging needed
Result:C-spine clear (no imaging needed)
Reviewed by Rahul Singh, Health & Wellness Specialist · Editorial policy