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School of Health Sciences

Assessment of a Patient's Level of Consciousness

Assessment of a Patient's Level of Consciousness

Glasgow Coma Scale (3)

In order to achieve these aims, it is important that the staff who utilise the GCS are suitably trained, competent and confident in its use. This will ensure the assessment is used accurately, consistently and reliably. This RLO aims to support the accurate and efficient assessment of a patient's LOC using the GCS.

The GCS has 3 key areas as shown on the chart here; the measurement of eye opening, verbal response and motor response.

This information is supplemented by pupillary response, vital signs and limb power.

We will be focusing on the three core areas of the GCS:

  • Eyes Opening (scored from 1 - 4)
  • Verbal Response (scored from 1 - 5)
  • Motor Response (scored from 1 - 6)

This means that everyone will have a coma score between 3 and 15.

BehaviourResponseScore
Eye OpeningSpontaneous4
To sound3
To pressure2
None1
Verbal ResponseOrientated5
Confused4
Words3
Sounds2
None1
Motor ResponseObeys commands6
Localise to pain5
Normal flexion4
Abnormal flexion3
Extension2
None1
BehaviourMinimum ScoreMaximum Score
Eye Opening14
Verbal Response15
Motor Response16
Total315
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