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An EEG (electroencephalogram) is a test that records the electrical activity of the brain. The nerve cells in the brain produce tiny electrical signals and these signals (also called brain waves) can be recorded via electrodes (small disks) placed on the scalp. A sleep-deprived EEG is the recording of the brain activity following a period of no ...
- Routine EEG
- Sleep EEG Or Sleep-Deprived EEG
- Ambulatory EEG
- Video Telemetry
- Invasive Eeg-Telemetry
A routine EEG recording lasts for about 20 to 40 minutes. During the test, you'll be asked to rest quietly. You will usually be asked to open or close your eyes from time to time. In most cases, you'll also be asked to breathe in and out deeply (called hyperventilation) for a few minutes. A flashing light may also be used to see if this affects you...
A sleep EEG is carried out while you're asleep. It may be used if a routine EEG does not give enough information, or to test for sleep disorders. In some cases, you may be asked to stay awake the night before the test to help ensure you can sleep while it's carried out. This is called a sleep-deprived EEG.
An ambulatory EEG is where brain activity is recorded throughout the day and night over a period of one or more days. The electrodes will be attached to a small portable EEG recorder that can be clipped onto your clothing. You can continue with most of your normal daily activities while the recording is being taken, although you'll need to avoid ge...
Video telemetry, also called video EEG, is a special type of EEG where you're filmed while an EEG recording is taken. This can help provide more information about your brain activity. The test is usually carried out over a few days while staying in a purpose-built hospital suite. The EEG signals are transmitted wirelessly to a computer. The video i...
This EEG is not common, but it may be used to check if surgery is possible for some people with more complex epilepsy. It involves surgery to place electrodes directly on the brain to find out exactly where the seizures are coming from.
Get in touch with our expert cardiac nurses through our Heart Helpline, which is open Monday to Friday, 9am to 5pm. Order or download our booklet on the special tests that are commonly used to help diagnose heart diseases. Read more on the range of treatments available for heart conditions. Tests are used to diagnose a heart condition or to see ...
What is a sleep EEG. hat is a sleep EEG?EEG stands for e. ectroencephalogram. A sleep EEG is a recording of the electrical activity of the brain while you are aw. ke and then asleep. It involves having small discs (electrodes) which record the activity attached to you. scalp using paste. You may also be asked to breathe deeply or look at bright ...
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EEG stands for Electroencephalograph. Electro - the electrical impulses that are being measured Encephalo - the head Graph - the way the results of the test are presented What is a sleep deprived EEG? You may have already had a standard waking EEG. Sleep deprivation may help in two ways. Firstly the tiredness may result
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Feb 2, 2024 · A sleep deprived EEG will be performed by a clinical physiologist. EEG is the abbreviation of electroencephalogram, which is the recording of electrical activity produced by the brain. It can help to explain fits or seizures and is a tool to help your doctor in making a diagnosis. The activity is recorded on a computer and a video recording of ...
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Electroencephalogram (EEG) is a test that looks at the function of the brain. The brain works by a series of nerve impulses, which cause electrical signals. These signals (also called brainwaves) can be recorded through the scalp. This page from Great Ormond Street Hospital (GOSH) explains the procedure for a sleep EEG test and what to expect ...
