Epidural anaesthesia is numbing the lower part of the body with local anaesthetic agent.
Technique of epidural anaesthesia
This is achieved by passing a fine catheter (tube) into the epidural space around the spinal cord and injecting local anaesthetic solution The dose can be controlled so that after surgery some movement is possible in the limbs although pain remains blocked.
Thermographic skin temperature measurement compared with cold sensation in predicting the efficacy and distribution of epidural anesthesia. Bruins AA, Kistemaker KRJ, Boom A, Klaessens JHGM, Verdaasdonk RM and Boer C. J Clin Monit Comput. 2018; 32(2): 335–341.