Fig. 4From: Intravenous dexmedetomidine pre-medication reduces the required minimum alveolar concentration of sevoflurane for smooth tracheal extubation in anesthetized children: a randomized clinical trialResponses of 24 consecutive dexmedetomidine 2 μg·kg−1 premedicated children in Group D2. (●) indicates smooth tracheal extubation and (○) indicates non-smooth tracheal extubationBack to article page