Seizures and EEG Testing: A Phoenix Neurology Guide

Seizures can be frightening and confusing, whether you have experienced one yourself or are supporting someone you care about. An evaluation can help identify what happened, what testing may be useful, and how to plan the next step.

When should you see a neurologist?
A first seizure, a change in seizure pattern, new episodes of unexplained loss of awareness, or symptoms that affect daily life are all reasons to seek medical guidance. If someone has a seizure lasting more than five minutes, repeated seizures without recovering between them, trouble breathing, serious injury, or a first seizure, call 911.

What is an EEG?
An electroencephalogram, or EEG, records the brain’s electrical activity. It can be helpful when a neurologist is evaluating seizures or episodes that may be related to abnormal brain activity. An EEG is not painful. Small sensors are placed on the scalp while you rest quietly.

Preparing for an EEG
Follow any instructions from your care team. In many cases, patients are asked to arrive with clean, dry hair and to avoid products that can interfere with the sensors. Ask whether you should take your usual medications and whether sleep changes are recommended before the study.

Why an accurate diagnosis matters
Not every episode of staring, fainting, shaking, or loss of awareness has the same cause. Your history, exam, testing, and sometimes information from someone who observed the event help guide a thoughtful diagnosis. The goal is to understand your symptoms and create a care plan that fits your life.

Epilepsy and EEG care in Phoenix
Center for Neurology and Spine provides adult neurology care in Phoenix, including evaluation for seizures and EEG testing. Bring a list of medications, a description of the episode, and any questions you have.

Frequently asked questions
Is an EEG painful? No. The test records activity through sensors placed on the scalp.
Can a normal EEG rule out epilepsy? A normal result does not always rule it out. Your neurologist interprets results together with your symptoms and history.
What should a family member record during an episode? If it is safe to do so, note the time, what happened first, how long it lasted, and how the person was afterward.

If you have questions about seizures or EEG testing, call 623-257-6038 or visit www.cnsofaz.com to request an appointment.

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