Peripheral Neuropathy Patient Education. The report is generally completed and given back to the ordering physician within one to two business days. Most people tolerate the test without any problems and rate it on the mild end of the discomfort scale. Patients do complain of a mild temporary discomfort in the limb that is tested. This test helps the doctor determine if the symptoms come from the nerve, neuromuscular junction, or muscle and it helps the doctor formulate a better treatment plan. Symptoms such as pain, weakness, numbness and tingling can come from a variety of neurological causes. Why do I need this test? What kind of information does this tell the doctor? Please advise the doctor if you are taking any of the following prescription blood thinners. You may bathe or shower the morning of the test but DO NOT use bath oils, lotion, or skin creams.Ĥ. Aspirin and Plavix are generally safe to take with this test.ģ. Continue any medication you are taking unless otherwise instructed. When a nerve going to a muscle is injured or if the muscle itself is diseased, the electrical firing pattern of that muscle changes. The number of needle insertions depends on the number of muscles that need to be examined. The test involves inserting small, fine needle electrodes into various muscles to record their electrical firing patters. 
PART II: Electromyography: This part of the study analyzes the electrical firing patters of various muscles which will be displayed on a computer screen. The health of the nerve is evaluated by recording how fast the electrical impulse travels through it. Recording electrodes are taped to the skin to detect the electrical signal. A stimulator is held against the skin on the arm or leg and sends a small, brief, harmless electrical shock along a nerve.
PART I: Nerve conduction study: This part of the study is performed with the patient resting comfortably on an exam table. Please arrive 15 minutes early for in-office preparation for the test. The procedure takes approximately 30 to 90 minutes to complete depending on how many limbs are tested. Typically, the study is ordered for symptoms of neck pain, back pain, limb weakness, numbness, tingling, or muscle aches.
MG/NCS studies are used to diagnose disorders of nerves, nerve roots, neuromuscular junction, and muscles.
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