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Epilepsy - Diagnosis

Epilepsy is diagnosed based on the information of events that happened during the attack, obtained from the patient and/or observers of the events. The doctor may also order a few investigations:
  • Electroencephalogram (EEG)
This test is done to record the electrical activity of the brain and takes about 45 minutes to one hour. During the test, electrodes are attached to the patient’s head. The patient will also be asked to perform a few tasks to see if these activities cause epileptic seizures.
  • Brain Scans
    • Computerised Tomography (CT Scan)
This scan uses computerised X-ray technology to produce pictures of the brain and may reveal structural causes of seizures.
    • Magnetic Resonance Imaging (MRI)
This scan uses  a strong magnetic field, instead of X-rays. It is more sensitive in picking up subtle structural abnormality that could be the cause of epilepsy. People with metal implants are not suitable for this test because of the strong magnetic field.

Epilepsy - Preparing for surgery

Epilepsy - Post-surgery care

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