GCS>13
no neurological deficit
no midline cervical tenderness to palpation
no painful distracting<unk> 
no unexplained hypotension
not intoxicated
mechanism-image if: MVC, fall >10 feet, non-accidental trauma known or suspected
alert
no neurological deficit
no midline cervical ttp
no painful distracting<unk> 
no unexplained hypotension
not intoxicated
No imaging if above criteria met based upon age
CT c-spine for concern of Atlanto-occipital dislocation(AOD) or atlantoaxial rotatory subluxation or fixation (AARF)
SCIWORA- full spinal column radiographic imaging
MRI of suspected area of spinal damage
Assess spinal stability acutely and in follow-up with flex/ex films
MRI of suspected area of spinal damage
Assess spinal stability acutely and in follow-up with flex/ex films
Cervical injury 
Cervical fractures and dislocations
Maxillofacial trauma
Atlanto-occipital dissociation
Head trauma 
C1
Blast injury
Jefferson fracture