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It may be performed after a nerve conduction study to diagnose and treat conditions such as carpal tunnel syndrome, nerve injury or sciatica.

What happens during an electromyography?

An electromyography takes 30-60 minutes. It is usually performed as an outpatient meaning you can go home the day of the test.

Be sure and wear loose clothing so that you can move and engage any muscles that are being tested.

You will lie down or sit in a chair, depending on the area being tested. It is important to relax any muscles so that the activity levels can be measured both in a relaxed state and when the muscle is engaged.

A thin electrode needle will be inserted into the muscle. The electrode is attached by a wire to a machine. The technician will ask you to engage (contract or tighten) the muscle. The electrical activity is recorded by the machine.

They may need to move the electrode several times to ensure the activity is accurately recorded.

When the test is done, any electrodes are removed and the area will be cleaned. The insertion area may be slightly sore. You may feel a numbness or slight tingling in your muscles for 1-2 hours after the test. Be sure and let us know if you have any swelling or increased pain.

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


Find your nearest hospital that provides this test
Brentwood  

Shenfield Road, Brentwood, CM15 8EH

01277 695695
Overall rating Good
Cardiff and Vale  

Cardiff Bay Hospital, Dunleavey Drive, Cardiff, CF11 0SN

02920 836700
Chester  

Wrexham Road, Chester, CH4 7QP

01244 680 444
Overall rating Good
Derby  

Rykneld Road, Derby, DE23 4SN

01332 540100
Overall rating Good
Glasgow  

25 Beaconsfield Road, Glasgow, G12 0PJ

01413349441
Haywards Heath  

Burrell Road, Haywards Heath, RH16 1UD

01444 456999
Overall rating Good
Leicester  

Scraptoft Lane, Leicester, LE5 1HY

0116 2769 401
Overall rating Good
North Staffordshire  

Clayton Road, Newcastle-under-Lyme, ST5 4DB

01782 625431
Overall rating Good
Taunton  

Staplegrove Elm, Taunton, TA2 6AN

01823 286991
Overall rating Good
Tunbridge Wells  

Kingswood Road, Tunbridge Wells, TN2 4UL

01892 531111
Overall rating Good
Warwickshire  

The Chase, Old Milverton Lane, Leamington Spa, CV32 6RW

01926 436351
Overall rating Good
Wessex  

Winchester Road, Chandlers Ford, Eastleigh, SO53 2DW

02380 266 377
Overall rating Good

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