Note: Many emergency physicians go straight to CT imaging for patients with neck tenderness and moderate/high risk findings.
I personally rarely use the CCR algorithm because I can rarely remember all of the criteria. NEXUS is nice because of its simplicity. Where the CCR algorithm IS helpful is in clinical clearance of the low-risk patient with neck pain. I've cleared many patients who self-present with a whiplash mechanism (simple rear-end motor vehicle crash) and diffuse neck pain. By NEXUS criteria, you'd have to image them because they have neck tenderness. By CCR criteria, if they can actively rotate their neck 45 degrees left and right, they don't have a clinically significant c-spine injury. No imaging needed.
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