EEG
EEG
An electroencephalogram (EEG) is a test that measures electrical activity in the brain. This test also is called an EEG. The test uses small, metal discs called electrodes that attach to the scalp. Brain cells communicate via electrical impulses, and this activity shows up as wavy lines on an EEG recording. Brain cells are active all the time, even during sleep. An EEG is one of the main tests to help diagnose epilepsy. An EEG also can play a role in diagnosing other brain conditions.
Why it's done ?
An EEG can find changes in brain activity that might aid in diagnosing brain conditions, especially epilepsy or another seizure condition. An EEG also might be helpful for diagnosing or treating.An EEG also might be used to confirm brain death in someone in a coma. A continuous EEG is used to help find the right level of anesthesia for someone in a medically induced coma.
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