Anaesthesia Inhalational Anesthetic Agents f6e6b884 Boy with sickle cell trait.. what mode of anaesthesia will u avoid in him?? A IVRA (intravenous regional anesthesia) B Supraclavicular brachial plexus block C Br plexus block infraclavicular approach D Br plexus block axillary approach (humeral) approach. High-Yield Explanation Intravenous Regional Anaesthesia or Biers block absolute C/I 1. Sickle cell trait 2. peripheral vascular Disease 3. Scleroderma