This test can identify damage to the muscles controlled by the median nerve, and also may rule out other conditions. However, X-rays are not helpful in making a diagnosis of carpal tunnel syndrome. The certified technician may test several nerves. Some providers recommend an X-ray of the affected wrist to exclude other causes of wrist pain, such as arthritis or a fracture. These shocks cause a quick, mild, tingling feeling. This is done by applying small electrical shocks to the nerve and recording how the nerve works. Nerve conduction studies show how well the body’s electrical signals are traveling to a nerve. The physician then uses his medical knowledge to figure out what could be causing your problem. During the EMG test the physician will be able to hear and see how your muscles and nerves are working by the electrical signals made by your muscles. The physician tests only the muscles necessary to decide what is wrong. There may be a small amount of pain during this part of the examination. It is used once for each patient and is thrown away after the test. Electromyography (EMG) is a test that helps in assessing the function of the muscles and Nerve Conduction Study (NCS): Assesses the nerves controlling the muscles and the junction between a nerve and a muscle.įor this test, a small, thin needle is inserted into several muscles to see if there are any problems.
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