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Doctor insights on: What Are Eeg And Mri Used For In Evaluating Seizures

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What are EEG and MRI used for in evaluating seizures?

What are EEG and  MRI used for in evaluating seizures?

Find cause: Mri may reveal structural cause for seizures. Eeg may show seizures or spikes (electrical abnormalities highly associated with the clinical occurrence of seizures. Type of "spikes" on eeg may help determine the seizure type and whether there is a genetic basis of seizures. ...Read more

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Dr. Scott Keith
5 doctors shared insights

Mri (Definition)

Mri or magnetic resonance imaging is one of the more recently developed imaging modalities available to physicians. It uses powerful magnets to generate images. There is no ionizing radiation which is a major advantage over many other modalities. Mri is the best imaging exam that we have for most soft tissue and joint related problems. There are radiologists ...Read more


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I suffered of anxiety during a brain MRI evaluation , and it can not be completed. What others procedures (b.Map, CT scan) are useful for the brain?

I suffered of anxiety during a brain MRI evaluation , and it can not be completed. What others procedures (b.Map, CT scan) are useful for the brain?

Options: It is not uncommon for patients undergoing MRI scans to feel claustrophobic and have to end the test prematurely. If the information needed is important to make a diagnosis or determine treatment, you can try having the procedure with an open mri. Alternatively, if your doctor needs the clarity of the regular MRI images, you may benefit from mild anti-anxiety medications taken before the scan. ...Read more

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What are the tests for night seizures?

What are the tests for night seizures?

Night seizure: "sleep study" in a special room with video + ekg + electroencephalogralhy recording during sleep (or an eeg made to record 24h) will catch the seizure. All recordings would be then be analysed to properly diagnose the kind of seizure. There is not specific seizure that only happen at night. ...Read more

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What are the tests for seizure disorder?

What are the tests for seizure disorder?

Many: Researchers and physicians use a variety of diagnostic imaging techniques and chemical and metabolic analyses to detect, manage, and treat neurological disease. Common tests include: blood lab work, genetic testing, neuro exam, x-rays, mri, ct scans, angiography, biopsy, cerebrospinal fluid analysis, emg, eeg and pet scanning. ...Read more

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Neuropyschological what is considered low for verbal fluency on a neuro=psych exam? What other tests are performed and for what purpose?

Neuropyschological what is considered low for verbal fluency on a neuro=psych exam?  What other tests are performed and for what purpose?

Depends: Scores on neuropsych exams depend on the age of the person taking them. The kinds of tests depend on what problems the patient has. Please speak with your mental health professional for an answer that is more specific to your situation. ...Read more

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There are occasional high voltage sharp waves seen bilaterally. Is these the baseline for a neurologist give a diagnosis of ABNORMAL EEG?

EEG interpretation: An EEG done for very young patients is sometimes difficult to interpret. Abnormalities are common for patients less than 2 years old. It may be the pattern or size that are important. If the sharp waves are large enough though, these may be considered abnormal. ...Read more

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What are the best imaging tests to use for pelvic and abdominal cancers in a 60 year old? Why is MRI not used in mammogram?

What are the best imaging tests to use for pelvic and abdominal cancers in a 60 year old? Why is MRI not used in mammogram?

For : abdomen/pelvic malignancies, CT is most commonly used, with MRI and PET/CT also utilized in certain circumstances. MRI is used for breast screening in special situations, but it is not an ideal screening test for the general population because it is time consuming, expensive, requires IV injection, and is not uniformly and readily accessible. ...Read more

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What are the tests for neonatal seizures?

What are the tests for neonatal seizures?

Evaluation: Evaluation includes the observation of the episodes by nurses and physicians, an electroencephalogram (EEG), and neuroimaging (head ultrasound, MRI). there are tests of blood chemistries, blood tests and lumbar puncture to determine if an infection is causing the seizures. ...Read more

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For cancers like glioma in brain, what can mri's investigate in comparison of ct?

For cancers like glioma in brain, what can mri's investigate in comparison of ct?

Tumor extent: Brain MRIs give much better soft tissue detail compared to CT. It can show the extent (size and spread) of brain tumors better. CT is better for acute bleeding in the brain and also evaluation of the bony skull. ...Read more

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What are the tests for amnesia?

What are the tests for amnesia?

I forgot: Seriously, it depends on age and other factors, may include blood tests, ct scan, MRI and drug screens as well as a good neuro exam. ...Read more

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What are cardiac MRIs sensitive in diagnosing or showing?

What are cardiac MRIs sensitive in diagnosing or showing?

See below: Cardiac MRI is a common test. It's used to diagnose and assess many diseases and conditions, including: Coronary heart disease Damage caused by a heart attack Heart failure Heart valve problems Congenital (kon-JEN-ih-tal) heart defects (heart defects present at birth) Pericarditis (a condition in which the membrane, or sac, around your heart is inflamed) Cardiac tumors ...Read more

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With a diagnosis of depression and ptsd and negativefindings on MRI and CT scan, could there be any other organic cause for impaired memory, mild confusion, and slow speech and word finding that does not show up onmri?

With a diagnosis of depression and ptsd and negativefindings on MRI and CT scan, could there be any other organic cause for impaired memory, mild confusion, and slow speech and word finding that does not show up onmri?

Yes, many: Thyroid problems, pernicious anemia, infection with HIV or syphilis, alcohol and nutritional issues, medication reactions, use of recreational drugs, and many others. Sounds like your issues need to be sorted out, and simplest and direct way is to have neuro-psychological testing. ...Read more

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What I have if all exams for ms, including 2 lumbar puncture , are normal.. Except the MRI shows multiple lesions in my sp. Cord and one in brain?

What I have if all exams for ms, including 2 lumbar puncture , are normal.. Except the MRI shows multiple lesions in my sp. Cord and one in brain?

Probable MS: It is likely that the burden of disease is mostly in the cord, but this description alone may well fit most of the mcdonald criteria. Best way to confirm is to get updated mri's with gadolinium. If any area lights up or a new lesion occurs, you have ms, and need treatment. Would urge you see an ms expert at a nearby medical school. ...Read more

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Are the electromagnets used in MRI scanners dangerous for your health?

Are the electromagnets used in MRI scanners dangerous for your health?

No: Talking about your average health adult, with no implants, metal fragments, cardiac pacers, etc... MRIs use magnet fields to create an image and have not been shown to have harmful side effect. MRIs do not use radiation such as used in routine x-rays or CT scans. While not recommended for non-urgent issues in pregnant women, we do even use MRIs to evaluate problems with a fetus still in the womb ...Read more

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Epilepsey what are the good medicines for treating epilepsey / seizures in today's technology

Epilepsey what are the good medicines for treating epilepsey / seizures in today's technology

Several: It is important to determine what type of seizures you have. Although some anti seizure meds will handle multiple seizure types, some meds are better for certain types of seizures (generalized vs. Focal). A mismatch between seizure type and antiseizure meds could make seizures worse. Many seizure meds work well and do not cause significant side effects. Discuss individual details with your md. ...Read more

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What are some various ways to treat a patient that has both hemiplegic migraines and parietal lobe epilepsy?

What are some various ways to treat a patient that has both hemiplegic migraines and parietal lobe epilepsy?

Prophylactic meds: There are many anti-epileptic drugs that serve to reduce the frequency and severity of migraines, as well. While topamax (topiramate) is the most well-known of these, other options include Depakote and lamictal. ...Read more

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Had an EEG done to look for seizure activity. No seizures were found, but brain activity between hemispheres was different. What can cause this?

Had an EEG done to look for seizure activity. No seizures were found, but brain activity between hemispheres was different. What can cause this?

Asymmetric EEG: can be caused by structural lesions ( slowing or lower amplitude) a difference in thickness of the skull on one side, a substance between the electrodes and the cerebral cortex ( like a collection of blood ) . Sometimes the difference is due to a problem with the EEG equipment ( usually this is eliminated as a possibility with calibration procedures. or one can born with asymmetric brain ...Read more

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Do all seizures show up on eegs and aeegs. Do normal mris and eegs rule out seizures. If so what could the "seizures" be?

Seizures: Not all seizures will show up on eeg. An MRI will only show a structural problem or other physical problem in the brain (although it may be the source of the seizure). ...Read more

Dr. Jeffrey Cohen
404 doctors shared insights

Eeg (Definition)

An electroencephaolgram (eeg) is a test that uses wires on the scalp to measure electrical activity produced by the brain. It is used to assess cerebral activity, and can be very helpful in the diagnosis and treatment of seizures as well ...Read more