Electroencephalogram (EEG): What Affects The Test
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What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:
- Moving too much.
- Taking some medicines, such as those used to treat seizures (antiepileptic medicines) or sedatives, tranquilizers, and barbiturates.
- Being unconscious from severe drug poisoning or a very low body temperature (hypothermia).
- Having hair that is dirty, oily, or covered with hairspray or other hair preparations. This can cause a problem with the placement of the electrodes.
| 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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