Nerve conduction studies (NCS) measure how fast a nerve is conducting electrical signals. This testing, also called nerve conduction velocity (NCV), involves placing electrodes on the skin’s surface and then applying a small electrical current. If the nerve is conducting the electrical signals slower than normal, it is likely damaged. NCS is typically performed with an EMG (electromyography) as part of an electrodiagnostic study of chronic neck or back pain, tingling, numbness, and/or weakness.
Nerve Conduction Studies (NCS) Definition
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