Canadian Cervical Spine Rule18,117,118.
A. Dangerous mechanism: fall from 3 ft/5 stairs or higher, axial load, motor vehicle collision at greater than 60 mph or rollover or ejection, motorized recreational vehicle accident, bicycle collision
B. Simple rear-end motor vehicle collision excludes: pushed into oncoming traffic, hit by bus or large truck, rollover, hit by high-speed vehicle
C. Delayed-onset neck pain: no immediate onset after trauma
D. At time of derivation, radiograph was chosen imaging. Now, American College of Radiology recommends computed tomography if positive on criteria
E. At time of derivation, radiograph was chosen imaging. Now, American College of Radiology recommends computed tomography if positive on criteria