Fig. 3From: Supine versus semi-Fowler’s positions for tracheal extubation in abdominal surgery-a randomized clinical trialMean change in heart rate from baseline (±SE) at each moments after the initiation of treatment. T1:5 min after transferred to PACU; T2:immediately after positioning; T3:the moment before extubation,; T4:1 min after extubation,; T5:5 min after extubation; T6:30 min after extubation,; T7: leaving the PACUBack to article page