The electrical activity of your brain may be monitored using an EEG. In the case of epilepsy and other neurological disorders, measuring brain activity may aid in diagnosis and follow-up therapy. Additionally, when experiencing symptoms like convulsions or mental fogginess, your doctor may recommend an electroencephalogram (EEG).

Keep reading to learn everything you need to know about an EEG test.

How Come I Would Need an EEG?

The electroencephalogram (EEG) is used to diagnose and assess various brain conditions. Generally, epileptic seizures manifest as brief, spiking waves on an electroencephalogram (EEG).

Brain lesions, such as those caused by tumors or strokes, may cause abnormally slow EEG waves in patients, albeit this varies with lesion size and location. Alzheimer’s disease, certain mental health problems, and narcolepsy are only some conditions that may be diagnosed using this test.

In addition, the EEG may be used to assess the brain’s electrical activity. The EEG may be utilized to track cerebral blood flow during operations. Your doctor may also suggest an EEG for other reasons.

Who does an EEG?

Seer Medical’s ecg-eeg test involves a technician that carries out the procedure with specialized training. Based on your doctor’s orders, you may get an EEG as an outpatient or a hospital inpatient. Ambulatory EEG equipment may record the brain’s electrical activity as you go about your daily routine.

How does an Electroencephalogram (EEG) Function?

Your scalp will be electrocuted so that the electrical impulses (signals) sent between brain cells may be measured. Technicians use temporary adhesives to attach little metal disks called electrodes to your scalp.

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Electrical impulses sent from the nervous system may be detected by attaching electrodes to wires. Meanwhile, electrode data is sent to an EEG machine. The EEG equipment records the impulses as lines (traces) that display brain wave patterns. Both wakefulness and sleep are associated with distinctive brainwave rhythms. The wave patterns alter during a seizure.

What Should I Do to Get Ready for an Electroencephalogram?

Find out what you need to do before a medical test by seeing your doctor. The following is a list of possible tasks assigned to you.

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  1. You are right to ask questions and get clarification from your doctor as they walk you through the treatment.
  2. If the process is to go forward, you must sign a written consent document indicating your agreement. Carefully read the form and inquire about any ambiguities.
  3. Take a shower the evening before the exam and wash your hair, but skip the conditioner. Avoid using styling products on your hair, including gels and sprays.
  4. If you are taking any medications, whether they are prescribed or not, or if you are using any herbal supplements, you should let your doctor know.
  5. If your doctor tells you to stop taking medication, do so immediately if it affects the test’s results. Never stop taking any medication without first talking to your doctor.
  6. Avoid caffeine-containing foods and beverages 8-12 hours before the exam.
  7. If your doctor tells you to get less rest the night before a test, do what you are told.  
  8. Don’t skip meals the day before or the night before your procedure. There’s a chance that low blood sugar affects the outcomes.
  9. Depending on your condition, your doctor may also have you do additional prep work.
  10. What steps should be taken after an electroencephalogram (EEG)? Skin and hair may feel sticky; a shower at home may be in order. Unless your doctor tells you otherwise, you’re free to resume driving and other normal activities.

Conclusion

When performed by a trained professional, the EEG process causes no discomfort and is highly safe. During the procedure, you will not be exposed to any electric current. In most cases, the only negative effects you’ll encounter are a lack of sleep and a sloppy hairstyle.

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