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What is an electroencephalogram (EEG)?

An electroencephalogram (EEG) is a test that measures and records the electrical activity of the brain. Certain conditions, such as epilepsy, can be detected based on changes in the normal pattern of the brain's electrical activity.
 

Continue Learning about Diagnostic Procedures

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What happens during an endoscopy?
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During an endoscopy the patient will be properly sedated, and then the endoscope is inserted. In thi...
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Does an endoscopy require anesthesia?
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Endoscopy is a nonsurgical procedure that uses a camera with a light to see your gastrointestinal tr...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.