Doctors Hospital Neurodiagnostic Department is a state-of-the-art EEG (Electroencephalogram) facility. The EEG lab at Doctors Hospital is the only accredited lab in the CSRA. Our Registered EEG technologists go the extra mile in making sure that our patients are well informed and relaxed during their EEG testing.Expand All Collapse All
What is an EEG?
An electroencephalogram (EEG) is a test that measures and records the electrical activity of your brain. Special sensors (electrodes) are attached to your head and hooked by wires to a computer. The computer records your brain's electrical activity on the screen or on paper as wavy lines. Certain conditions, such as seizures, can be seen by the changes in the normal pattern of the brain's electrical activity.
Why an EEG is done
An electroencephalogram (EEG) may be done to:
- Diagnose epilepsy and see what type of seizures are occurring. EEG is the most useful and important test in confirming a diagnosis of epilepsy.
- Check for problems with loss of consciousness or dementia.
- Help find out a person's chance of recovery after a change in consciousness.
- Watch brain activity while a person is receiving general anesthesia during brain surgery.
- Help find out if a person has a physical problem (problems in the brain, spinal cord, or nervous system) or a mental health problem.
What to expect during your EEG
To help ease any concerns you this exam, please know that an EEG:
- Does not hurt
- Does not read your mind
- Does not determine whether you are emotionally or mentally ill
- Does not give you electric shocks
- Is not a treatment
- Does not cure a condition
Preparing for the EEG
This is a test that requires you to lie still and quiet for about an hour and a half. We ask that you do the following to prepare him or her for the EEG:
- Please eat before the test. You will not be able to eat or drink anything during the test.
- Wash your hair the night before the EEG. Clean hair will make it easier to remove the electrodes after the test is done. Do not use hair products like hair spray, mousse, or gel.
Helpful tips list
- Dress comfortably on the day of the test.
- It is best to not plan other commitments around the time of the EEG test. Most tests take about an hour and half, but they can take longer. The test cannot be rushed.
What happens on the day of your EEG
The EEG room
One of our technicians will lead you into a small room for the exam. This arrangement is set up to give you a quiet, restful space to relax. The technician has been specially trained for this work and will be happy to answer any questions you may have about the procedure itself, or about the machine.
Getting ready for the EEG
The technician will ask you to lie down on a bed and will measure his or her head with a soft tape measure to make marks with a special crayon of where the electrodes will be placed. The technician will apply the electrodes on the marked spots on your scalp using a small amount of paste. This paste will prevent the natural oils from your hair from interfering with the exam. Once the electrodes are in place, we will ask you to lie back and relax.
The exam begins
When the exam begins, the lights in the room will be dimmed. The technician will be at the controls of the EEG machine conducting the exam. All you have to do is relax and try to sleep. We will do a series of deep breathing. While deep breathing, your will be asked to hyperventilate. Then you will relax for a while longer. At this time, you will see blinking lights.
Special requests during the exam
The technician may ask you to answer questions during the exam to record your brain waves. Your ability to answer questions is a part of the testing process.
After the exam
After the test is finished, the technician will remove the electrodes. Your head will be cleaned with a wet cloth to get as much of the paste off as possible. A comb will be provided for grooming afterwards. You will need to shampoo your hair when you return home.
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*You must check in with registration in the main lobby prior to your appointment
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