A traumatic brain injury (TBI) is responsible for thousands of deaths each in a year in the UK. As well as significant numbers of people suffer from temporary and permanent disability due to the brain injury. Head injury does not necessarily for brain injury. Bleeding in the brain usually occurs at the sometime of injury and can be continue increasing pressure within the skull. However, symptoms may develop immediately or progress gradually over time. Medical care should be sought for any patient who is not fully awake after an injury. Computerized tomography is used to look for a bleeding and swelling in the brain. Not all patients with minor head injuries require CT scanning.