Modified Observer's Assessment of Alertness/Sedation (MOAAS) scale
5Responds readily to name spoken in normal tone
4Lethargic response to name spoken in normal tone
3Responds only after name is called loudly or repeatedly
2Responds only after mild prodding or shaking
1Does not respond to mild prodding or shaking
0Does not respond to pain
  • Chernik DA, Gillings D, Laine H, Hendíer J, Silver JM, Davidson AB, et al. Validity and reliability of the Observer's Assessment of Alertness/Sedation Scale: study with intravenous midazolam. J Clin Psychopharmacol. 1990 Aug.;10(4):244-51.