Since the nerves of the brachial plexus pass through the space between the anterior and middle scalene muscles, that area is sometimes targeted with the administration of regional anesthesia by physicians. The nerve block, called an interscalene block, may be performed prior to arm or shoulder surgery.he action of the anterior and middle scalene muscles is to elevate the first rib and laterally flex (bend) the neck to the same side; the action of the posterior scalene is to elevate the second rib and tilt the neck to the same side.
Colonoscopy is highly regarded, but it has risks. Patients need anesthesia for the invasive procedure. In rare cases, the colon may bleed or perforate during the colonoscopy procedure. As with many diseases, early detection of colon cancer may make a big difference to patients' survival. Colon cancer screening tests are recommended for everyone aged 50 and older; people at high risk for colorectal cancer may need to start screening earlier. Colorectal cancer is the No. 2 cause of cancer-related deaths in the U.S. for men and women combined, according to the American Cancer Society.
The purpose of a colonoscopy is to look inside your colon for polyps, cancers, ulcers, and other conditions. It is important to get a colonoscopy. to test for colon cancer once you are 45-50 years of age or older since the.