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7 Reasons You Might Need an EEG Test – and What to Do About It
Wondering if you need an EEG test? This simple, non-invasive procedure can help diagnose a range of brain-related conditions.
Have you been experiencing symptoms like seizures, confusion, or memory problems? Your doctor might suggest a test called an EEG (electroencephalogram) to better understand what’s going on in your brain.
An EEG is a safe, painless procedure that records the brain’s electrical activity using small sensors placed on the scalp. It helps doctors detect unusual brain wave patterns that may point to epilepsy, sleep disorders, head injuries, or other neurological conditions.
Because it provides real-time insight into brain function, an EEG can be a powerful diagnostic tool. In fact, it’s one of the first tests neurologists recommend when symptoms don’t have an obvious physical cause — especially when imaging like CT or MRI scans come back normal.
If you’re unsure whether an EEG is right for you, here are 7 common reasons to get an EEG test — and what to do next if one applies to your situation:
7 Reasons You Might Need an EEG Test
If you’re unsure whether an EEG is right for you, here are 7 common reasons to get an EEG test — and what to do next if one applies to your situation:
- Suspected seizures or epilepsy. A Common Reason You Might Need an EEG, If you have recurring seizures, twitching spells, or unexplained convulsions, an EEG can help confirm epilepsy. It records the abnormal electrical patterns that cause these seizures
- Unexplained blackouts or fainting spells. Sometimes fainting or sudden “zone-out” episodes are caused by seizure activity. An EEG helps distinguish whether these episodes are epileptic seizures or something else
- Severe sleep problems. EEG is a key part of sleep studies. If you have narcolepsy (suddenly falling asleep), severe insomnia, or other sleep disturbances, a long-term or overnight EEG (often during a sleep study) can identify abnormal brain activity during sleep
- Head injury or trauma : After a serious concussion or head injury, your doctor may order an EEG to assess brain function. This can help monitor recovery and check for any lingering abnormal activity
- Brain infections or inflammation. If you’ve had an infection of the brain (encephalitis) or similar inflammation, an EEG can show characteristic changes. For example, certain infections produce distinct abnormal wave patterns on the EEG
- Memory loss or cognitive issues. When someone is experiencing significant memory problems or dementia, doctors sometimes use an EEG to look for changes. Certain types of dementia or brain disorders will alter the EEG tracings
- Tumors or stroke symptoms. While MRI/CT scans are usually done first for tumors or stroke, an EEG might also be ordered. It can help determine if unexplained symptoms (like twitching or confusion) were due to seizures, and it can monitor brain function after such events
Learn how EEG tests work or what to expect during your first EEG.
If any of the above applies to you, talk to our doctor. They can advise whether an EEG is needed. If an EEG is recommended, the Kampala EEG Laboratory and Sleep Center is here to help. We perform EEG tests in a friendly, comfortable environment and can guide you through every step. Don’t hesitate to reach out with questions or to schedule an EEG – your well-being is our priority.
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