FOUR Score for Comatose Patients

 Eye response

4 = eyelids open or opened, tracking, or blinking to command

3 = eyelids open but not tracking

2 = eyelids closed but open to loud voice

1 = eyelids closed but open to pain

0 = eyelids remain closed with pain

 Motor response

4 = thumbs-up, fist, or peace sign

3 = localizing to pain

2 = flexion response to pain

1 = extension response to pain

0 = no response to pain or generalized myoclonus status

 Brainstem reflexes
4 = pupil and corneal reflexes present
3 = one pupil wide and fixed
2 = pupil or corneal reflexes absent
1 = pupil and corneal reflexes absent
0 = absent pupil, corneal, and cough reflex

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 apnea

FOUR = Full Outline of UnResponsiveness.

 

 

References:

  1. Wijdicks EF, Bamlet WR, Maramattom BV, Manno EM, McClelland RL. Validation of a new coma scale: The FOUR score. Ann Neurol. 2005 Oct;58(4):585-93. [Medline]

  2. Wijdicks EF. Clinical Scales for Comatose Patients: The Glasgow Coma Scale in Historical Context and the New FOUR Score. Rev Neurol Dis. 2006 Fall;3(3):109-17. [Medline]

Created: Jan 29, 2007