Fig. 4From: Efficacy and safety of subanesthetic doses of esketamine combined with propofol in painless gastrointestinal endoscopy: a prospective, double-blind, randomized controlled trialThe results of repeated measurements of hemodynamic parameters. Systolic blood pressure (A), diastolic blood pressure (B), heart rate (C), and pulse oximetry (D) of patients treated with propofol alone or in combination with different doses of esketamine during gastrointestinal endoscopyBack to article page