The Observer's Assessment of Alertness/Sedation Scale can be used to evaluate the degree of alertness in patients undergoing sedation.
Categories of observations:
(1) responsiveness (to calling the patient's name and/or using physical stimuli)
(2) speech (while asking the patient to repeat a standard sentence, such as "The quick brown fox jumps over the lazy dog.")
(3) facial expression (degree of facial relaxation)
(4) eyes (ability of subject to focus eyes, ptosis)
responds readily to name spoken in normal tone
lethargic response to name spoken in normal tone
responds only after name is called loudly and/or repeatedly
responds only after mild prodding or shaking
does not respond to mild prodding or shaking
mild slowing or thickening
slurring or prominent slowing
few recognizable words
marked relaxation (slack jaw)
clear, no ptosis
glazed, or mild ptosis (less than half the eye)
glazed and marked ptosis (half of the eye or more)
composite score level =
= MIN(responsiveness, speech, facial expression, eyes)
• A score of 1 indicates deep sleep.
• A score of 5 indicates alert.
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Specialty: Anesthesiology, Pedatrics, Critical Care, Emergency Medicine, Surgery, general