Epilepsy eeg: Difference between revisions
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{{Epilepsy}} | {{Epilepsy}} | ||
{{CMG}} {{AE}} | {{CMG}}; {{AE}} {{Fs}} | ||
== Overview == | == Overview == | ||
An [[EEG]] may be helpful in the diagnosis of epilepsy. Findings on an [[EEG]] suggestive of epilepsy include synchronous generalized spikes and waves in all leads in [[Tonic-clonic seizure|tonic-clonic seizures]], spike and wave activity at a frequency of approximately 3 HZ in [[Absence seizure|absence seizures]], localized epileptic activity over the [[seizure]] focus in [[focal seizures]] with intact [[consciousness]] and [[temporal]] slow waves or spikes in [[focal seizures]] with impaired [[consciousness]]. | |||
== Electroencephalogram == | == Electroencephalogram == | ||
An | An [[EEG]] may be helpful in the diagnosis of epilepsy. Findings on an [[EEG]] suggestive of epilepsy include:<ref name=":0">{{cite book | last = Mattle | first = Heinrich | title = Fundamentals of neurology : an illustrated guide | publisher = Thieme | location = Stuttgart New York | year = 2017 | isbn = 9783131364524 }}</ref> | ||
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{{Family tree | | | | | | | | B01 | | | | | | B02 | | | | | | B01=Generalized|B02=Focal}} | {{Family tree | | | | | | | | B01 | | | | | | B02 | | | | | | B01=Generalized|B02=Focal}} | ||
{{Family tree | | | | | | |,|-|^|-|.| | | |,|-|^|-|.| | | | | }} | {{Family tree | | | | | | |,|-|^|-|.| | | |,|-|^|-|.| | | | | }} | ||
{{Family tree | | | | | | C01 | | C02 | | C03 | | C04 | | | | C01= | {{Family tree | | | | | | C01 | | C02 | | C03 | | C04 | | | | C01=[[Tonic–clonic Seizure]]|C02=Absences|C03=Focal seizures without | ||
altered consciousness|C04=[[Focal seizures]] with altered | |||
[[consciousness]]}} | |||
{{Family tree | | | | | | |!| | | |!| | | |!| | | |!| | | | | }} | {{Family tree | | | | | | |!| | | |!| | | |!| | | |!| | | | | }} | ||
{{Family tree | | | | | | D01 | | D02 | | D04 | | D05 | | | | D01= | {{Family tree | | | | | | D01 | | D02 | | D04 | | D05 | | | | D01=Synchronous generalized | ||
spikes and waves in all leads|D02= | spikes and waves in all leads|D02=Bursts of synchronous, generalized | ||
spike-and-wave activity at a frequency of approximately | spike-and-wave activity at a frequency of approximately | ||
3 Hz|D04= | 3 Hz|D04=Localized epileptic activity over the seizure | ||
focus|D05= | focus|D05=[[Temporal]] slow waves or spikes. In | ||
the interictal period/Normal | the interictal period/Normal [[EEG]]}} | ||
{{Family tree | | | | | | | | | | | | | | | | | | | | | | | | }} | {{Family tree | | | | | | | | | | | | | | | | | | | | | | | | }} | ||
{{Family tree | | | | | | | | | | | | | | | | | | | | | | | | }} | {{Family tree | | | | | | | | | | | | | | | | | | | | | | | | }} | ||
{{Family tree/end}} | {{Family tree/end}}NOTE: Video-EEG monitoring is a combination of recording [[EEG]] and clinical behavior of the patient. Although, it's it's more expensive, it is more effective in differentiating different type if [[Seizure|seizures]].<ref name="pmid12233935">{{cite journal |vauthors=Worrell GA, Lagerlund TD, Buchhalter JR |title=Role and limitations of routine and ambulatory scalp electroencephalography in diagnosing and managing seizures |journal=Mayo Clin. Proc. |volume=77 |issue=9 |pages=991–8 |date=September 2002 |pmid=12233935 |doi=10.4065/77.9.991 |url=}}</ref> | ||
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[[File:EEG cap.jpg|400px|none|thumb|Transferred from en.wikipedia to Commons by Sreejithk2000 using CommonsHelper.]] | |||
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[[File:Spike-waves.png|400px|none|thumb|Generalized 3 Hz spike and wave discharges in a child with childhood absence epilepsy/Uploaded from the German Wikipedia, uploaded into the German Wikipedia by Der Lange 11/6/2005, created by himself. http://commons.wikimedia.org/w/index.php?title=File:Spike-waves.png&action=edit§ion=2]] | [[File:Spike-waves.png|400px|none|thumb|Generalized 3 Hz spike and wave discharges in a child with childhood absence epilepsy/Uploaded from the German Wikipedia, uploaded into the German Wikipedia by Der Lange 11/6/2005, created by himself. http://commons.wikimedia.org/w/index.php?title=File:Spike-waves.png&action=edit§ion=2]] | ||
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==References== | ==References== | ||
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{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
[[Category:Needs content]] | [[Category:Needs content]] | ||
[[Category:Neurological disorders]] | [[Category:Neurological disorders]] | ||
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[[Category:Pediatrics]] | [[Category:Pediatrics]] | ||
[[Category:Emergency medicine]] | [[Category:Emergency medicine]] | ||
Latest revision as of 21:37, 29 July 2020
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Epilepsy Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Epilepsy eeg On the Web |
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American Roentgen Ray Society Images of Epilepsy eeg |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Fahimeh Shojaei, M.D.
Overview
An EEG may be helpful in the diagnosis of epilepsy. Findings on an EEG suggestive of epilepsy include synchronous generalized spikes and waves in all leads in tonic-clonic seizures, spike and wave activity at a frequency of approximately 3 HZ in absence seizures, localized epileptic activity over the seizure focus in focal seizures with intact consciousness and temporal slow waves or spikes in focal seizures with impaired consciousness.
Electroencephalogram
An EEG may be helpful in the diagnosis of epilepsy. Findings on an EEG suggestive of epilepsy include:[1]
| Epilepsy | |||||||||||||||||||||||||||||||||||||||||||||||
| Generalized | Focal | ||||||||||||||||||||||||||||||||||||||||||||||
| Tonic–clonic Seizure | Absences | Focal seizures without altered consciousness | Focal seizures with altered consciousness | ||||||||||||||||||||||||||||||||||||||||||||
| Synchronous generalized spikes and waves in all leads | Bursts of synchronous, generalized
spike-and-wave activity at a frequency of approximately 3 Hz | Localized epileptic activity over the seizure focus | Temporal slow waves or spikes. In the interictal period/Normal EEG | ||||||||||||||||||||||||||||||||||||||||||||
NOTE: Video-EEG monitoring is a combination of recording EEG and clinical behavior of the patient. Although, it's it's more expensive, it is more effective in differentiating different type if seizures.[2]
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References
- ↑ Mattle, Heinrich (2017). Fundamentals of neurology : an illustrated guide. Stuttgart New York: Thieme. ISBN 9783131364524.
- ↑ Worrell GA, Lagerlund TD, Buchhalter JR (September 2002). "Role and limitations of routine and ambulatory scalp electroencephalography in diagnosing and managing seizures". Mayo Clin. Proc. 77 (9): 991–8. doi:10.4065/77.9.991. PMID 12233935.