<prompt> Intravenous regional anaesthesia is suitable for:Ohopedic manipulation on the upper limbVascular surgery on the lower limbHead and neck surgeryCaesarian section  <response>: 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 