![]() The electrical activity shows up as wavy lines on an EEG recording. In this test, electrodes attached to your scalp record the electrical activity of your brain. If an infection is suspected as the cause of a seizure, you may need to have a sample of cerebrospinal fluid removed for testing.Īn electroencephalogram (EEG). Lumbar puncture, known as a spinal tap.These salts are known as electrolytes and control the balance of fluids. You also may have the levels of salts in your body checked. You may need to give a blood sample to check your blood sugar levels and look for signs of infections or genetic conditions. A health care professional may evaluate your behavior, motor abilities and mental function. You may need several tests to determine the cause of your seizure and evaluate how likely it is that you'll have another one. The subtraction SPECT coregistered to MRI (right) helps pinpoint the area of seizure activity by overlapping the SPECT results with brain MRI results.Īfter a seizure, a health care professional thoroughly reviews your symptoms and medical history. These SPECT images show the blood flow in the brain of a person when there's no seizure activity (left) and during a seizure (middle). ![]()
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