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September 18, 2020  
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  • Electroencephalogram (EEG)

    Electroencephalogram (EEG), or a brain wave test, is a measure of the brain's electrical activity.

    Detailed Information:
    Electroencephalogram (EEG), or a brain wave test, is a measure of the brain's electrical activity. It is used to help diagnose seizure disorders, confusion, head injuries, tumors, degenerative diseases, and other conditions that affect the brain. In a comatose patient, EEG may be performed to confirm brain death.

    An EEG technician performs an EEG test. Sixteen to 25 flat metal disks (electrodes) are placed on the scalp as the patient reclines. Wires connect the electrodes to an amplifier and a recording machine. During the test, the recording machine converts the electrical signals into a series of wavy lines, which are then drawn onto moving graph paper. A doctor then interprets the results of the test to find any medical abnormalities.

    Related Conditions:

  • Alzheimer's Disease
  • Aneurysm
  • Aphasia
  • Cerebral Abscess
  • Epilepsy
  • Heart Disease (CAD)
  • Stroke

    Last updated: 01-Jan-00

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