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Nerve Conduction Study
What is it? Overview Usage Side Effects and Warnings
Answers

What is Nerve Conduction Study?

A nerve conduction study (NCS) is a test that measures the speed and strength of electrical activity in a nerve. The test can gather information about the structure and function of both muscle and nerve.

Nerve conduction studies are often done along with electromyography (EMG).

Electromyogram of Shoulder—Used in Conjunction with Nerve Conduction Study
Electromyogram of Shoulder—Used in Conjunction with Nerve Conduction Study
© 2009 Nucleus Medical Media, Inc.

NCS is most often done to:

  • Aid in diagnosing the cause of pain, cramping, numbness, or weakness
  • Determine if nerves are working properly
  • Distinguish between muscle and nerve disorders
  • Monitor if a nerve is recovering from injury

Call Your Doctor

Call your doctor if you have any questions or concerns following the test.

In case of emergency, CALL 911.

 
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