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Glasgow Coma Scale
Standardized scoring system for level of consciousness assessment
Last updated: 2026-04-11
Overview
The Glasgow Coma Scale (GCS) is a neurological assessment tool used to evaluate the level of consciousness in acute medical and trauma patients. Score ranges from 3 (deep coma) to 15 (fully alert).
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Always report GCS as component scores (e.g., E3V4M5 = 12) rather than just the total, as the same total can represent very different clinical pictures.