Fig. 1From: Combined ultrasound and nerve stimulator-guided deep nerve block may decrease the rate of local anesthetics systemic toxicity: a randomized clinical trialCONSORT flow diagram of the study. CONSORT indicates Consolidated Standards of Reporting Trials. Group U was short for nerve block with ultrasound guidance, group N was short for nerve block with nerve stimulation guidance, group M was for nerve block with combined guidanceBack to article page