Overview

This is an injection of anesthetic into a network of nerves called the brachial plexus. The injection numbs your shoulder and arm. It can block the pain of shoulder surgery.

Preparation

In preparation for the injection, you sit or lie down to expose your shoulder and neck. Your skin is cleaned and numbed.

The injection

The physician presses on the tissues of your neck to find your brachial plexus nerves. A needle is carefully guided to the region. Your physician may use ultrasound or electric nerve stimulation to confirm the needle's position. When it is placed correctly, the anesthetic is injected. It bathes the brachial plexus nerves. It blocks sensation in the shoulder and arm.

Aftercare

The numbing sensation will last for several hours after the injection. Your arm may be placed in a sling during this time. Your physician will give you specific instructions to aid your recovery.