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Electroencephalography (EEG) (cont.)

EEG Preparation

The patient will be given instructions when the EEG is scheduled.

  • If the patient routinely takes seizure medication to prevent seizures, antidepressants, or stimulants, he or she may be asked to stop taking these medications 1 to 2 days before the test.
  • The patient may be told not to consume caffeine before the test.
  • The patient should avoid using hair styling products (hairspray or gel) on the day of the exam.
  • It is prudent to have someone take the patient to the EEG location, especially if he or she has been asked to stop taking seizure medications.
  • If the patient is having a sleep EEG, he or she may be asked to stay awake the night before the exam.
Medically Reviewed by a Doctor on 8/3/2012
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Normal EEG Variants »

The phrases "electroencephalogram (EEG) variant waves" or "normal EEG variants" refer to waves that are rare or unusual but not generally abnormal.

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