Princeton's WordNet(4.75 / 4 votes)Rate this definition: 1  light, illumination(noun) a condition of spiritual awareness; divine illumination. 2  illumination(noun) the degree of visibility of your environment. 3  clarification, elucidation, illumination(noun) an interpretation that removes obstacles to understanding.
The injection for a brachial plexus block is in the. side of your neck, or in your armpit, or close to your collar bone. Other. nerves can be blocked near the elbow, or in the forearm, wrist or hand. Sedation is commonly given before the injection is done.
Usually, no special preparation is required prior to arrival for a nerve block procedure. You may be asked to wear a gown during the procedure. You will probably be asked to use the restroom before the procedure. give the doctor easiest access to the injection site(s). possible, both during and after the procedure.