Inclusion criteria is blunt neck trauma
99.6% sensitive for a clinically important injury (only 12.9% Sp)
Only 8.6% of patients were elderly in the initial study; use caution in applying to elderly<unk>  does not risk stratify based on age like CCR
Small studies show elderly patients with c-spine fractures do not often have midline tenderness<unk>  does not risk stratify based on age like CCR
Small studies show elderly patients with c-spine fractures do not often have midline tenderness
NEXUS cervical spine rule
Canadian cervical spine rule
MR CLEAN
Cervical spine x-ray interpretation
Cervical spine clearance
PALS 
Ultrasound: Pharyngeal
Neck diagnoses