Table 1 Definition of the FOUR score and the Glascow Coma Score
FOUR score | Glascow Coma Scale |
|---|---|
Eye response | Eye response |
4 = eyelids open or opened, tracking, or blinking to command | 4 = eyes open spontaneously |
3 = eyelids open but not tracking | 3 = eye opening to verbal command |
2 = eyelids closed but open to loud voice | 2 = eye opening to pain |
1 = eyelids closed but open to pain | 1 = no eye opening |
0 = eyelids remain closed with pain | Motor response |
Motor response | 6 = obeys commands |
4 = thumbs-up, fist, or peace sign | 5 = localising pain |
3 = localising to pain | 4 = withdrawal from pain |
2 = flexion response to pain | 3 = flexion response to pain |
1 = extension response to pain | 2 = extension response to pain |
0 = no response to pain or generalised myoclonus status | 1 = no motor response |
Brainstem reflexes | Verbal response |
4 = pupil and corneal reflexes present | 5 = oriented |
3 = one pupil wide and fixed | 4 = confused |
2 = pupil or corneal reflexes absent | 3 = inappropriate words |
1 = pupil and corneal reflexes absent | 2 = incomprehensible sounds |
0 = absent pupil, corneal, and cough reflex | 1 = no verbal response |
Respiration | |
4 = not intubated, regular breathing pattern | |
3 = not intubated, Cheyne-Stokes breathing pattern | |
2 = not intubated, irregular breathing | |
1 = breathes above ventilator rate | |
0 = breathes at ventilator rate or apnoea |