Clinical Study
Dose Comparison of Dexmedetomidine Sedation following Spinal Anesthesia: Parturient versus Nonpregnant Women—A Randomized Trial
Table 1
Observer’s assessment of alertness/sedation (OAA/S) scale.
| Scale | Responsiveness | Speech | Facial expression | Eyes |
| 5 | Responds readily to name spoken in normal tone | Normal | Normal | Clear, no ptosis | 4 | Lethargic response to name spoken in normal tone | Mild slowing or thickening | Mild relaxation | Glazed or mild ptosis | 3 | Responds only after name is spoken loudly and/or repeatedly | Slurring or prominent slowing | Marked relaxation (slack jaw) | Glazed and marked ptosis | 2 | Responds only after mild prodding or shaking | Few recognized words | | | 1 | Does not respond to mild prodding or shaking | | | |
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