Electroencephalogram (EEG) 24/48/72 hour

This test measures the electrical activity of the brain over a 1/24/48/72- hour period. The test shows areas of the brain that are not functioning correctly either because of too little or too much electrical activity and can identify mild brain seizures. The EEG is recorded on a small computer disk inserted into a case and worn by the patient around the waist. EEG signals are transmitted to the disk by means of small electrodes attached to the scalp with special fast drying glue. The patient is given a dairy to enter symptoms, the times of meals and the time she or he goes to sleep. When symptoms occur, the patient is to push a button on the recorder, which notates the time of the event.

She or He may perform his usually daily activities. The patient returns to the department to have the electrodes removed. A solvent, similar to nail polish remover is used. Neither the glue used to apply the electrodes nor the solvent are damaging to the hair or scalp. The small computer disk containing the information is removed from the case at the conclusion of the testing period. The information it contains is transferred to a large computer where it can be read and interpreted by a neurologist.

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