Nerve conduction studies

A nerve conduction study is a test which measures how quickly signals are transmitted through your nerves.

Common questions

What is a nerve conduction study / EMG?

A nerve conduction study or EMG is a test which measures how quickly signals are transmitted through your nerves. During an EMG, a needle shaped electrode is inserted into the muscle. The electrical activity is measured whilst the muscle is at rest, then your specialist will ask you to contract the muscle to measure the activity.

Nerve conduction studies are used to assess if there is any possible damage to your nerves in your wrists, fingers and forearm, and also studies how well and how fast your nerves send impulses in your body.

Before your nerve condition study your doctor will advise whether you need to stop certain medications before the procedure, such as Warfarin or aspirin. It is advisable to wear loose fitting clothing for your own comfort, and ensure the area which is going to be tested is clear of body oils, sprays, or creams.

An EMG is a procedure to measure electrical in a muscle, while it at rest, then when it is contracted. A needle shaped electrode is inserted into the muscle to measure activity.

Why would I have a nerve conduction study or EMG?

You might have a nerve condition study or EMG to assess if there is any possible damage to your nerves in your wrists, fingers and forearm.

What happens during a nerve conduction study or EMG?

A nerve conduction study test is a non-invasive procedure. During the test, electrodes are placed on your hand and wrist. The electrodes then produce a small electrical current which stimulates the nerves in the wrist, fingers, and forearm. Although it is a little uncomfortable, there are no side effects.

During an EMG, a needle shaped electrode is inserted into the muscle. The electrical activity is measured whilst the muscle is at rest, then your specialist will ask you to contract the muscle to measure the activity.

What should I expect after a nerve conduction study or EMG?

After the procedure is complete, you will be able to go home as soon as you wish.

If you have an EMG, it is advisable to have someone take you home as you may have some tenderness in the muscle after.

Contact Benenden Hospital

It’s easy to make an appointment; you can ask your GP or give us a call on 01580 230661.