Ultrasound-guided (USG) brachial plexus (BP) block efficacy at the Supraclavicular (SCL), Lateral- Infraclavicular (LIC) and Axillary (AX) level: Randomized, observer-blinded study of the single-penetration multiple-injection-technique.
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Blockade performance time (seconds)
Timeframe: Time (seconds) from the time the ultrasound transducer is placed on the skin and until the needle is taken out of the body.