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How Do Doctors Diagnose Seizures? Essential Tests Explained
Published: Mar 02, 2024
Diagnosing seizures involves a series of steps and tests. Let’s break down what happens when you visit a doctor for a seizure evaluation.
The Role of EEG
An EEG, or electroencephalogram, is a key test in diagnosing seizures. It measures electrical activity in the brain and can identify abnormal patterns associated with seizures. This test is often done after a first seizure to help determine the risk of recurrence.
Neuroimaging: CT and MRI
CT scans and MRIs are used to look at the brain's structure. These imaging tests help doctors spot any physical abnormalities, like tumors or scar tissue, which might be causing seizures. MRIs are preferred due to their detailed images.
Blood Tests and More
Blood tests can detect underlying issues that might trigger seizures, such as electrolyte imbalances or infections. Additionally, tests like ECGs can rule out heart-related causes of seizures, ensuring a thorough evaluation.
Frequently Asked Questions
It's a test that measures brain's electrical activity.
MRIs provide more detailed images of the brain.
Yes, they can detect triggers like electrolyte imbalances.
Yes, to rule out cardiac causes of seizures.
The Bottom Line
A combination of tests provides a clearer picture for diagnosing and managing seizures.
References
- Krumholz A, Wiebe S, Gronseth G, et al. Practice Parameter: evaluating an apparent unprovoked first seizure in adults (an evidence-based review): report of the Quality Standards Subcommittee of the American Academy of Neurology and the American Epilepsy Society. Neurology 2007; 69:1996.
- ACEP Clinical Policies Committee, Clinical Policies Subcommittee on Seizures. Clinical policy: Critical issues in the evaluation and management of adult patients presenting to the emergency department with seizures. Ann Emerg Med 2004; 43:605.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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