Electromyogram (EMG) And Nerve Conduction Studies: How To Prepare
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How To Prepare
Tell your doctor if you:
- Are taking any medicines. Certain medicines that act on the nervous system (such as muscle relaxants and anticholinergics) can change electromyogram (EMG) results. You may need to stop taking these medicines 3 to 6 days before the test.
- Have had bleeding problems or take blood thinners, such as warfarin (Coumadin) or heparin. If you take blood thinners, your doctor will tell you when to stop taking them before the test.
- Have a pacemaker.
Do not smoke for 3 hours before the test.
Do not eat or drink foods that contain caffeine (such as coffee, tea, cola, and chocolate) for 2 to 3 hours before the test.
Wear loose-fitting clothing so your muscles and nerves can be tested. You may be given a hospital gown to wear.
For an EMG, you may be asked to sign a consent form. Talk to your doctor about any concerns you have regarding the need for the test, its risks, how it will be done, or what the results will mean. To help you understand the importance of this test, fill out the medical test information form (What is a PDF document?) .
| Last updated: | July 29, 2008 |
|---|---|
| Author: | Monica Rhodes |
| Reviewed By: | Anne C. Poinier, MD - Internal Medicine, Colin Chalk, MD, CM, FRCPC - Neurology |
| Editors: | Maria Essig, Tracy Landauer |
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