Treatments & Services
Nerve Conduction and EMG Testing
Electrodiagnostic medicine is the study of nerve and muscle diseases.
To determine whether your nerves and muscles are working properly, your doctor may refer you for this specialized nerve testing, generally performed by physicians in neurology and physical medicine and rehabilitation. The examination typically includes a Nerve Conduction Study (NCS) and a Needle Electromyography (EMG) test. The results of the electrical examination will help your doctor diagnose your condition and determine the best course of treatment.
If you experience the following symptoms or conditions, you may be referred for electrodiagnostic testing:
• Numbness/Tingling
• Muscle Weakness
• Neuropathy
• Carpal Tunnel Syndrome
• Neck or Low Back Pain
• Sciatica
• Radiculopathy
• Stenosis
TYPE OF TESTS
Nerve Conduction Studies (NCS)
During the NCS, your physician applies small electrical stimulations close to your nerve(s) to study how the nerve works. These impulses cause a quick, mild, tingling feeling. Any discomfort is temporary and the stimulus is not strong enough to cause any damage to your body. Your physician may test several nerves during the course of the study.
Needle Electromyography (EMG)
During the EMG test, a thin, sterile needle is inserted into several muscles. Your physician is then able to hear and see how your muscles and nerves are working by the way electrical signals travel from the needle to the EMG machine. The only muscles tested are those needed to help determine the nature of your problem. A new needle is used for each patient and is discarded after the examination. There may be a small amount of pain with each needle insertion, however you will likely not experience any residual discomfort after the procedure.
Frequently Asked Questions
You are being sent for this evaluation because you likely have numbness, tingling, pain, weakness, or muscle cramping in one or more extremities. Your physician will use this examination to determine if your muscles and/or nerves are damaged and, if so, how to treat you.
Tell your physician performing the tests if you: take aspirin or blood thinners (like Coumadin), have a pacemaker, or have hemophilia. On the day of the test, take a bath or shower to remove oil from your skin and do not use body lotion.
Each study is designed especially for you based on your symptoms. The length of the test is different for every patient. The examination usually takes 30-60 min. You may perform normal activities like eating, driving, and exercising before and after the tests. There are no lasting side effects.
Both components of exam can cause momentary discomfort. This varies significantly based on the skill of the physician administering the tests and on the patient’s individual tolerance. We take exceptional care to make the experience an acceptable one and the majority of our patients have little difficulty.
After the tests are complete, your physician will analyze the results and send a report to the referring physician within 24-48 hours. Preliminary results may be conveyed to you at the time of the studies. You should communicate with the physician that recommended the testing to discuss the final interpretation and to determine the next steps in your care.
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