Be sure to discuss any concerns with your healthcare provider before the procedure. Ask your healthcare provider to tell you what you should do before your test. Below is a list of common steps that you may be asked to do.
An EEG may be done on an outpatient basis, or as part of your stay in a hospital. Procedures may vary depending on your condition and your healthcare provider's practices. Talk with your healthcare provider about what you will experience during your test. Once the test is completed, the electrodes will be removed and the electrode paste will be washed off with warm water, acetone, or witch hazel. In some cases, you may need to wash your hair again at home.
If you took any sedatives for the test, you may be required to rest until the sedatives have worn off. You will need to have someone drive you home. Skin irritation or redness may be present at the locations where the electrodes were placed, but this will wear off in a few hours. Your healthcare provider will inform you when you may resume any medicines you stopped taking before the test. Your healthcare provider may give you additional or alternate instructions after the procedure, depending on your particular situation.
Health Home Treatments, Tests and Therapies. Why might I need an EEG? There may be other reasons for your healthcare provider to recommend an EEG. What are the risks of an EEG? Certain factors or conditions may interfere with the reading of an EEG test. These include: Low blood sugar hypoglycemia caused by fasting Body or eye movement during the tests but this will rarely, if ever, significantly interfere with the interpretation of the test Lights, especially bright or flashing ones Certain medicines, such as sedatives Drinks containing caffeine, such as coffee, cola, and tea while these drinks can occasionally alter the EEG results, this almost never interferes significantly with the interpretation of the test Oily hair or the presence of hair spray How do I get ready for an EEG?
Your healthcare provider will explain the procedure to you and you can ask questions. You will be asked to sign a consent form that gives your permission to do the procedure. Read the form carefully and ask questions if something is not clear. Wash your hair with shampoo, but do not use a conditioner the night before the test.
Do not use any hair care products, such as hairspray or gels. You can continue with your regular routine. However, if you were given a sedative, the medication will remain in your system for a little while. This means that you may need to have someone with you to take you home after the test. A neurologist someone who specializes in nervous system disorders interprets the recordings from the EEG and then sends the results to your doctor.
Your doctor may schedule an appointment to go over the test results with you. Electrical activity in the brain appears in an EEG as a pattern of waves. Different levels of consciousness, like sleeping and waking, have a specific range of frequencies of waves per second that are considered normal.
The EEG will show if the frequency of waves or patterns is normal. Before you review the results, it may be helpful to write down any questions you might want to ask.
An EEG is a test that measures your brain waves and helps detect abnormal brain activity. The results of an EEG can be used to rule out or confirm conditions, such as epilepsy, a brain tumor, or a stroke. Epilepsy is a chronic disorder that causes unprovoked, recurrent seizures. Find out what causes it, who's at risk, how it's diagnosed, and more. Giving your child a substance you've been led to believe is harmful and addictive is cause for concern.
But what if it can help them? Epilepsy isn't funny. Neither are seizures. But when you blackout, sometimes you do hilarious things you just have to laugh about.
Temporal lobe epilepsy is one of 20 different kinds of epilepsy. It causes seizures that stem from the medial or lateral temporal lobes of the brain. Diabetes can cause long-term damage, from foot to nerve complications.
For some people, sleep is disturbed not by dreams but by seizures. You can have a seizure with any type of epilepsy while you sleep.
This page has been produced in consultation with and approved by:. The long-term effects of brain injury will be different for each person and can range from mild to profound. A person with alcohol related brain impairment ARBI might experience problems with coordination, thinking, planning and memory. If a person with alcohol related brain impairment is aware of their memory limits, they can learn how to deal with them.
People with alcohol related brain impairment benefit when their life is organised and follows a good structure. Allergy testing is used to find which substances provoke an allergic reaction.
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The information and materials contained on this website are not intended to constitute a comprehensive guide concerning all aspects of the therapy, product or treatment described on the website. All users are urged to always seek advice from a registered health care professional for diagnosis and answers to their medical questions and to ascertain whether the particular therapy, service, product or treatment described on the website is suitable in their circumstances.
The State of Victoria and the Department of Health shall not bear any liability for reliance by any user on the materials contained on this website. Skip to main content. Medical tests. Home Medical tests. EEG test. Actions for this page Listen Print. Summary Read the full fact sheet. On this page. Conditions diagnosed by EEG Normal brain waves occur at a rate of up to 30 per second, but in someone with epilepsy, for example, the EEG may show bursts of abnormal discharges in the form of spikes and sharp wave patterns.
Other conditions that may be diagnosed with the aid of an EEG include: Sleep disorders such as narcolepsy Head injuries Brain infection Brain haemorrhage Alzheimer's disease Degeneration of brain tissue Metabolic conditions that affect brain tissue Hormonal conditions that affect brain tissue Certain disorders of the central nervous system Stroke Brain tumour Brain death.
Medical issues to consider An abnormal EEG doesn't automatically mean that you, for example, have epilepsy. EEG procedure Your hair must be thoroughly clean, but most importantly dry. Immediately after the EEG Once the test is complete, the electrodes are removed and you are allowed to get up. Taking care of yourself at home EEG is a safe procedure. Long-term outlook The EEG technologist can't interpret the test results on the spot.
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