What Is Eeg Scan ? Why It's Done , Risk & How You Prepare ?

By Author: Ritika
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An EEG (electroencephalogram) scan is a test that measures and records the electrical activity of your brain. It's commonly used to diagnose epilepsy and other neurological disorders, as well as to monitor brain activity during surgery or to evaluate sleep disorders.

Why it's done:
1. **Diagnosis of Epilepsy**: EEG is often used to detect abnormal brain activity associated with epilepsy, helping doctors confirm a diagnosis and determine the most effective treatment.
2. **Evaluation of Other Neurological Disorders**: It can also aid in diagnosing other neurological conditions such as brain tumors, head injuries, encephalitis, and dementia.
3. **Monitoring Brain Activity**: During brain surgery, EEG helps surgeons monitor brain function in real-time to prevent damage to critical areas.
4. **Assessment of Sleep Disorders**: EEG is used to evaluate sleep disorders like sleep apnea, narcolepsy, and parasomnias by recording brain activity during sleep.

Risks:
EEG is a safe procedure with minimal risks. Some potential risks include:
1. **Discomfort**: The electrodes attached to your ...
... scalp may cause mild discomfort, but they don't usually cause pain.
2. **Allergic Reaction**: In rare cases, some people may have an allergic reaction to the gel used to attach the electrodes.

How to prepare:
1. **Wash Your Hair**: It's recommended to wash your hair the night before or the morning of the test. Avoid using any hair products like gels, sprays, or conditioners.
2. **Medications**: Inform your doctor about any medications you're taking, as some medications may interfere with the test results. Your doctor may advise you to adjust your medication schedule before the test.
3. **Avoid Caffeine and Stimulants**: It's best to avoid caffeine and stimulants for at least 8 hours before the test, as they can affect your brain activity.
4. **Sleep Schedule**: If your doctor wants to evaluate your sleep patterns, they may ask you to sleep less or more than usual before the test.

By following these preparation steps, you can ensure the accuracy of the EEG results and make the testing process smoother.

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