A Electroencephalogram (EEG) is a diagnostic procedure test of the brain. It shows electrical activity of the brain. No ionising radiation when done without X-ray guidance.
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
A Electroencephalogram (EEG) is a diagnostic procedure test of the brain. It shows electrical activity of the brain. No ionising radiation when done without X-ray guidance. What it shows: Electrical activity of the brain. generated by SI from cited sources · general information, not a diagnosis · consult a health professional
Electrical activity of the brain.
Seizures, unexplained blackouts.
Wash hair the night before, no oil; sleep deprivation may be requested.
No ionising radiation when done without X-ray guidance.
30 to 60 minutes. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
Diagnostic procedure
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
What does a eeg show?
Electrical activity of the brain.
Why is a eeg done?
Seizures, unexplained blackouts.
How do I prepare for a eeg?
Wash hair the night before, no oil; sleep deprivation may be requested.
Does a eeg use radiation?
No ionising radiation when done without X-ray guidance.
How long does a eeg take?
30 to 60 minutes
Why is Electroencephalogram (EEG) done?
Seizures, unexplained blackouts.
How do I prepare for Electroencephalogram (EEG)?
Wash hair the night before, no oil; sleep deprivation may be requested.
Is Electroencephalogram (EEG) safe in pregnancy?
No ionising radiation when done without X-ray guidance.
SI text CC BY 4.0; RadiologyInfo.org (ACR/RSNA) and MedlinePlus linked as references only, no text copied.