Nerve Function Test

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Nerve Function Testing: NCV/EMG (Upper or Lower)

 The doctor may order a nerve test to help diagnose and locate nerve damage or diseases of the nerves or muscles. This test will let the doctor know if there has been any loss of function such as muscle weakness or loss of reflexes as a result of the nerve dysfunction. The more specific the doctor can be with your diagnosis, the more specific your treatment will be. 

  In preparation for the test, please don not use lotion on your skin. The electrodes utilized in the tests will not adhere to skin with lotion on it. Your medication will not affect the results of the test. The only contraindication to receiving a nerve test is having a pacemaker. 

  The NCV portion of the test utilizes small electrical impulses to test the speed of your nerves and evaluate your reflexes. When a nerve is damaged or compressed the speed of the nerve will slow down compared to normal. This part of the test locates the area of compression or dysfunction. You will feel small electrical shocks for this part- not painful.

  The EMG portion of the test is similar to biofeedback. A small, thin needle electrode is utilized to record the muscle activity while you use the muscle. This portion of the test diagnoses muscle and nerve diseases, muscle weakness and allows us to see if the nerve damage is chronic or acute.

Indications for testing:

  • Radiculopathy

  • Carpal Tunnel Syndrome

  • Tarsal Tunnel Syndrome

  • Mononeuropathy

  • Polyneuropathy

  • Mononeuropathy Multiplex

  • Myopathy

  • Peripheral Neuropathy

  • Motor Neuropathy

  • Plexopathy

  • Neuromuscular Junction Disorder

  • Weakness

  • Fatigue, cramps or twitching

  • Pain

  • Numbness or tingling

  • Guillain-Barre Syndrome

  • Upper Motor Neuron Disease

  • Lower Motor Neuron Disease

  • Auto-Immune Disease