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 nerves are very small nerve branches that carry the pain message from the facet joints and the muscles around the joints.If the nerves are blocked or numbed, they will not be able to transfer the pain sensation from the joints to the brain.edial branch nerves are very small nerve branches that carry the pain message from the facet joints and the muscles around the joints.
The purpose of the sensory nerve fibers is to send signals from the  sense organs to the central nervous system. This keeps the brain  well informed as to what is going on s â¦ o the brain can help prevent  pain and burns.he purpose of the sensory nerve fibers is to send signals from the  sense organs to the central nervous system. This keeps the brain  well informed as to what is going on s â¦ o the brain can help prevent  pain and burns.