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Electroencephalography (EEG) (cont.)

EGG Results

Patient Comments

When the EEG is finished, the results are interpreted by a neurologist (a doctor who specializes in the nervous system). The EEG records the brain waves from various locations in the brain. Each area produces a different brain wave strip for the neurologist to interpret.

  • When examining the recordings, the neurologist looks for certain patterns that represent problems in a particular area of the brain.
    • For example, certain types of seizures have specific brain wave patterns that the trained neurologist recognizes.
    • Likewise, a normal brain has a specific brain wave pattern that the trained neurologist recognizes.
    • The neurologist must look at all recorded tracings, decide what is normal and what is not, and determine what the abnormal tracings represent.
  • The neurologist forwards the EEG results to the doctor who ordered the test, and the patient is then notified as arranged.

Medically reviewed by Jon Glass, MD; American board of Psychiatry and Neurology

REFERENCES:

Aminoff, Michael J. Electrodiagnosis in Clinical Neurology. 3rd ed. Harcourt Health Sciences Group, 1992.

Emerson, R. G. and T. A. Pedley. Neurology in Clinical Practice Vol. 1. Butterworth-Heinemann, 2000.

Luders, H. and S. Noachtar. Atlas and Classification of Electroencephalography. WB Saunders, 1999.

Niedermeyer, E. and F. L. Da Silva. Electroencephalography: Basic Principles, Clinical Applications and Related Fields. Lippincott Williams & Wilkins, 1999.


Medically Reviewed by a Doctor on 12/4/2014
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Read What Your Physician is Reading on Medscape

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.

Read More on Medscape Reference »


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