Fig. 2From: Efficacy of different dose of dexmedetomidine combined with remifentanil in colonoscopy: a randomized controlled trialA: Changes of SBP of three groups of patients. B: Fig. 2 Changes of DBP of three groups of patients. C: Fig. 3 Changes of HR of three groups of patients. D: Fig. 4 Changes of RR of three groups of patientsBack to article page