Patient Friendly Summary of the ACR Appropriateness Criteria: CT for Adult Minor  Head Trauma

A closed head injury results from hitting your head on something. Even a small minor blow to the head can be dangerous and should be evaluated by a doctor for a possible concussion, bleeding on the brain, or skull fracture. Most minor head injuries do not require imaging tests.
Source: Journal of the American College of Radiology : JACR - Category: Radiology Authors: Tags: Appropriate use criteria Source Type: research