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Glasgow Coma Scale (GCS)

A rapid bedside tool to quantify level of consciousness and detect neurologic deterioration.

Mild
GCS 13–15 · Mildly impaired consciousness
Eye opening
Verbal response
Motor response
Glasgow Coma Scale: Teasdale G, Jennett B. Lancet. 1974;2(7872):81–84. Report the components (E_V_M_), not just the total; score before sedation/paralysis; ≤8 is the classic intubation threshold, not an absolute rule.