Description of test - Patient may be asked to relax in a reclining chair or lie on a bed while electrodes are attached to the scalp. If needle electrodes are used, the patient will feel a prickling sensation when they are inserted into your scalp. The patient can resume his normal activity. Test values - Test results are determined by interpretation of the recorded electrical activity of the brain. Normal values - Normal patterns of electrical brain activity.
Abnormal values indicate Abscesses.
Vascular lesions, such as cerebral infarcts and intracranial hemorrhages. Any condition that causes a diminishing level of consciousness alters the EEG pattern in proportion to the degree of consciousness lost. Taking these drugs may affect test results Anti-convulsants. Cough syrups with codeine or dextromethorphan. Narcotic pain killers.