Data is recorded that shows the conduction velocity (the speed at which the electrical impulse travels through the nerve). This test is done in two or more places along the nerve’s path. An electromyography needle exam, also known as EMG testing.įor the nerve conduction study, the doctor stimulates a nerve with small electric shock by placing an electrode on the skin above the nerve.A nerve conduction study (NCS) – also known as a nerve conduction velocity (NCV) test.Cubital tunnel syndrome (ulnar nerve entrapment)Įlectrodiagnostic testing actually involves two different tests:.
Conditions that can be diagnosed and/or monitored with the aid of electrodiagnostic testing include: It may be used in conjunction with a physical exam and radiological imaging, such ultrasound, magnetic resonance imaging (MRI) or magnetic resonance neurography (MRN).Įlectrodiagnostics can also be used to monitor the recovery progress of some patients after they have been diagnosed. This type of testing is usually conducted to help diagnose patient who has experienced muscle pain or cramping, or sensations of weakness, numbness or tingling.
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