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A nerve conduction study is test to access nerve damage.

It is often performed before an electromyography (EMG) to diagnose and treat conditions such as carpal tunnel syndrome, nerve injury or sciatica.  

What happens during a nerve conduction study?

A technician will place small pads with metal discs called electrodes over the nerve being tested. They will also place electrodes on the muscles supplied by the nerve. The electrodes are connected to a machine that can send electric signals to the areas and record the activity.

During the test several electric shocks are produced via the electrodes. The time it takes for the muscle to contract (tighten) is recorded. Don’t worry, the shocks are very small and should only produce a slight tingling sensation.

The nerves in the opposite side of your body may also be tested for a comparison.

Nerve conductions studies are usually performed as an outpatient meaning you can go home the day of the test.

The technician may be able to tell you the results of the test before you leave. A complete report on your nerve conduction study will be sent to the consultant that ordered the test.


Guildford Hospital

Stirling Road, Guildford, GU2 7RF

01483 555 800

Please enter our full address into your satnav/phone GPS when travelling to our hospital, using the postcode alone may take you to the back of the hospital where there is no patient parking. To find the main entrance and car park please enter Stirling Road via Occam Road. If you have driven to our Hospital you are welcome to park in our car park free of charge. Our car park is managed by an external contractor so please remember to input your car registration on one of the terminals at reception. Please be aware that if this process is not followed, charges will apply.

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