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What is Intravenous regional anaesthesia is suitable for: and explain in detail?
IVRA is indicated for procedures on upper limb or lower limb of less than one hour duration. - it consist of inj. of LA in vein of torniquet occluded limb - drug diffuses from vascular bed to non-vascular tissue such as nerve endings - regional anesthesia is produced in 2-5min. and last for a min. after deflating the torniquet - bupivacaine should never be used because of its cardiotoxicity