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.
Answer is A. Intravenous Regional Anaesthesia or Biers block absolute C/I 1. Sickle cell trait 2. peripheral vascular Disease 3. Scleroderma