Barium Enema with Air Contrast. Your doctor has requested a procedure called a barium enema with air contrast. This exam is performed to assess a change in bowel habits, abdominal pain or rectal bleeding, or if your doctor suspects that you may have diverticulitis (small inflamed areas in your colon) or polyps (growth of tissue on your colon).
Medial Branch Block. The medial branch nerves are small nerve branches that transmit pain from the facet joints (small joints between vertebrae). The nerves do not control any muscles or sensation in your arms or legs.They are located along a boney groove in your back and neck.edial Branch Block. The medial branch nerves are small nerve branches that transmit pain from the facet joints (small joints between vertebrae). The nerves do not control any muscles or sensation in your arms or legs.
Superior lateral cutaneous nerve (continuation of the posterior cord of the axillary nerve, which derives from all three trunks). Innervates lateral shoulder and skin over the deltoid. Medial brachial cutaneous nerve (C8-T1, arises from the medial cord of the brachial plexus): upper medial arm. Intercostobracheal nerve (T2, cutaneous branch of an intercostal nerve, innervates the upper medial arm, and potentially part of the shoulder. Must be supplemented if a brachial plexus block is used.