Patients will be excluded if they :

Had a CT scans done in an outside transferring institution

Have obvious penetrating head injuries

Had a trivial injury mechanisms such as ground-level falls or walking or running into stationary objects

Have no signs or symptoms of head trauma other than scalp abrasions and lacerations.

Have known brain tumors, pre-existing neurological disorders complicating assessment, ventricular shunts, bleeding disorders

Animated Picture to Improve Provider Adherence to CT Scan for Head Injury Rule