Fig. 2

Changes of HRs in five groups (n = 8 in each group). HR (Heart Rate) in three groups were presented graphically. Data were given as mean ± SD. *P < 0.05, between group Bupi and group Bupi + Dex, #P < 0.05, between group Bupi and group Bupi + Dex + Yoh. Con, control; Bupi, bupivacaine; Dex, dexmedetomidine; Yoh, yohimbine