What is the nerve conduction study (NCV)?
The nerve conduction study records the responses from nerves after they are stimulated. Your physician will place electrodes on your arm or leg. The nerve will then be stimulated using a small handheld electrical stimulator. You will feel a pricking sensation at the site of the stimulation. You may feel a brief electrical sensation along the course the nerve. Your hand or foot may twitch with each stimulation as the nerve will fire, activating the muscle to which its attached. The nerve responses are recorded by computer and analyzed by your physician. What is electromyography (EMG)? During the needle examination portion of the test, your physician will use a very thin, pin-like electrode. A new electrode is used for each patient, and it is thrown away after each test. The electrode will be inserted into a series of muscles in your arm or leg, as well as some muscles in your back or neck. You may be asked to move your muscles in certain directions for a few seconds at a time. Your phys
