![]() There is no shocking in this part of the exam. Several nerves may need to be tested depending on the type of problem.ĭuring the needle EMG portion of the examination, the physician inserts a small needle into a muscle to listen to electrical activity of the muscle. The small electric pulses cause a short tingling/shock-type feeling with accompanied twitching of muscles. ![]() These shocks test how well signals travel along a nerve and can help find the cause of abnormal nerve function. With Nerve Conduction Studies, you will feel small shocks in the examined arm or leg. The testing may include nerve conduction studies (NCS) and needle electromyography (EMG). The examination usually takes 30 to 60 minutes, sometimes longer, depending on the complexity of your condition. The testing can help your doctor to establish the cause of your condition, help determine prognosis, and assist your treating doctor in properly managing your condition. ![]() Electrodiagnostic tests look at nerve and muscle function, frequently to see if a nerve is “pinched” or not functioning well. X-rays and MRIs show the anatomy of bones and soft tissues. The electrodiagnostic examination can be helpful in evaluating the cause of pain, numbness, tingling, weakness, fatigue and muscle cramping. ![]()
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