![]() The GCS is divided in three assessment parameters: ![]() Total score ranges from 3 to 15 and it is obtained by observation of spontaneous activities and use of verbal and/or painful stimulus. ( 6) This scale became an important tool to assist patient who suffered trauma, mainly BTI victims, and, posteriorly, its use extended to other neurologic conditions that can alter consciousness. Glasgow coma scale (GCS), developed by Taesdale and Jennet in 1974 at The University of Glasgow, Scotland, UK, is employed worldwide to identify neurologic dysfunction and follow-up progress of level of consciousness, predict prognosis, and standardize communication among health professionals. Among non-structural injuries most prominent are hypoxia, hydroelectrolytic changes, hyperthermia and hypothermia, hepatic encephalopathy, alcohol intoxication, illicit drugs, hypnotic sedatives and heavy metals. ![]() ( 1- 3) Among non-traumatic causes of consciousness change, we highlight abscesses, brain tumors, injuries from strokes, hydrocephalies and aneurism, among other, which are also called structure injuries. The BTI has complex physiopathological mechanisms. Traumatic injuries are important cause of morbidity and mortality around the world, and the brain trauma injury (BTI) is one of the main determinants of this panorama.
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