EEG Test on the West Bank
Advanced diagnostic care
An electroencephalogram (EEG) is a test that detects electrical activity in your brain using small, flat metal discs (electrodes) attached to your scalp. Your brain cells communicate via electrical impulses and are active all the time, even when you're asleep. This activity shows up as wavy lines on an EEG recording.
An EEG is one of the main diagnostic tests for epilepsy and brain disorders, but it is also helpful for diagnosing sleep disorders that could be caused by pulmonary disease.
EEGs are safe and painless. Sometimes seizures are intentionally triggered in people with epilepsy during the test, but appropriate medical care is provided if needed.
Before the test
If you have been scheduled to partake in an EEG, your doctor will review everything you need to do to properly prepare. In general, you will want to refrain from using hair products of any kind leading up to the test, as these will prevent the electrodes from properly sticking to your scalp. You should also avoid consuming caffeine in any form on the day of the test, as caffeine could affect the test results.
If you're supposed to sleep during your EEG test, your doctor may ask you to sleep less or even avoid sleep entirely the night before your EEG.
During the test
You'll feel little or no discomfort during an EEG. The electrodes don't transmit any sensations – they simply record your brain waves.
Atechnician will measure your head and mark your scalp to indicate where to attach the electrodes. Those spots on your scalp may be scrubbed with a gritty cream to improve the quality of the recording.The technician will then attach the electrodes to your scalp with a special adhesive. Sometimes, an elastic cap fitted with electrodes is used instead. The electrodes are connected with wires to an instrument that amplifies the brain waves and records them on a computer.
Once the electrodes are in place, an EEG typically takes up to 60 minutes. If you need to sleep for the test, it may take up to three hours.
After the test
After the test, the technician removes the electrodes. If you were not given a sedative beforehand, you should feel no side effects and can return to your normal routine. If you were given a sedative, it will take a little while for the medication to wear off, so you should have someone else drive you home. Once home, rest and refrain from driving for the rest of the day.