GCS Calculator - Glasgow Coma Scale

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Select the best eye-opening response observed. Test each eye separately if there is local injury or edema.
Select the best verbal response. For intubated patients, note the score with a T suffix (e.g. 1T) in clinical documentation.
Select the best motor response observed across all limbs. Use a peripheral stimulus (nail-bed pressure) if central stimulation is equivocal.
GCS Total ScoreMild / Minor
15/ 15

Sum of eye, verbal, and motor sub-scores (range 3-15)

Eye Sub-score4/ 4
Verbal Sub-score5/ 5
Motor Sub-score6/ 6
TBI SeverityMild (13-15)
15 pts
Severe<8Moderate8-12Mild12+

GCS 15/15 - Mild (13-15)

  • Sub-scores: Eye E4 + Verbal V5 + Motor M6 = 15/15.
  • Mild range: the patient is generally awake and responsive. Repeat assessments are important if there is any downward trend.

Next stepContinue serial neurological assessments. A drop of 2 or more GCS points from baseline warrants immediate re-evaluation.

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