Suspect instability and obtain CT if:
Severe<unk>  (>50% loss of vertebral height)
Kyphosis >30deg
Rotational component to injury<unk>  fracture at multiple sites
Posterior cortex abnormality
Severe<unk>  (>50% loss of vertebral height)
Kyphosis >30deg
Rotational component to injury<unk>  fracture at multiple sites
Posterior cortex abnormality
Thoracic and lumbar compression fractures
Airway/Pulmonary
Vertebral fractures and dislocations
Bronchial injury
Thoracic and lumbar fractures and dislocations
Diaphragmatic trauma
Unstable spine fractures
Hemothorax