Fig. 2From: Comparison of dexmedetomidine vs. remifentanil combined with sevoflurane during radiofrequency ablation of hepatocellular carcinoma: a randomized controlled trialHemodynamic changes during the observation period: a heart rate (HR), b mean arterial pressure (MAP), and c sevoflurane concentration during surgery. HR heart rate, MAP mean arterial pressure, PACU post-anesthesia care unit. *P < 0.05 vs. the REMI groupBack to article page