Acute Careniche
A 9-year-old boy is brought to a regional emergency department after a heavy tackle at football. He is alert and orientated with a Glasgow Coma Scale score of 15, his airway, breathing and circulation are normal, and he has no limb weakness, numbness or paraesthesiae. He complains of neck pain, is tender in the midline over the lower cervical spine, and will not turn his head. He has no head injury and no other injury. Which one of the following imaging strategies should be used?