الفهرس 
Anattomy off tthe brachiiall pllexus
Anattomy off tthe brachiiall pllexusOnly 14 pages are availabe for public view
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Abstract
Regional anesthesia such as a brachial plexus block (BPB) involves injection of LA around nerves to specifically block the motor and sensory nerves that supply the operative site, avoiding the need for general anesthesia Brachial plexus block rely on proper techniques of nerve localization, needle placement, and local anesthetic injection. Blind technique that rely on surface landmarks before needle insertion and elicitation of paresthesia or nerve-stimulated muscle contraction after needle insertion with multiple trial and error needle attempts result in procedure related pain and complications. Supraclavicular approach is one of the different approaches of brachial plexus block by different local anesthetics and many studies demonstrated the effects of addition of different substances to local anesthetics to improve the onset,
duration of sensory and motor block and prolong the duration of postoperative analgesia. The supraclavicular approach is risky approach because of the high chance of developing pneumothorax. Ultrasound guidance can potentially improve the success rate and reduce the
complications. The aim of this work was to study the effect of adding midazolam to bupivacaine in supraclavicular brachial plexus block in upper limb
surgeries using ultrasound guidance.