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Time course of the investigation. Subjects were sedated with dexmedetomidine (Dex) at a loading dose of 6 mcg/kg/h for 5 minutes and a continuous infusion dose of 0.2 mcg/kg/h for 25 minutes. The recovery process was observed for 60 minutes after cessation of the Dex infusion. (Control value was not measured in Ramsay score.)
