Difference between revisions of "First-ever seizure"
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In a first-ever unprovoked seizure in adults, [[MRI of the head|'''MRI''' of the head]] is generally the first investigation of choice because of its high sensitivity.<ref name="HoLawn2013"/> However, if MRI is not readily available,<ref name="HoLawn2013"/> or there is continued neurological deficit or other indication of an acute intracranial disease, then initial imaging with '''[[head CT]]''' is reasonable. If such CT is normal, MRI should still be considered if seizures recur or in the presence of focal electroencephalography (EEG) abnormalities.<ref name="HoLawn2013">{{cite journal|last1=Ho|first1=K.|last2=Lawn|first2=N.|last3=Bynevelt|first3=M.|last4=Lee|first4=J.|last5=Dunne|first5=J.|title=Neuroimaging of first-ever seizure: Contribution of MRI if CT is normal|journal=Neurology: Clinical Practice|volume=3|issue=5|year=2013|pages=398–403|issn=2163-0402|doi=10.1212/CPJ.0b013e3182a78f25}} American Academy of Neurology</ref> | In a first-ever unprovoked seizure in adults, [[MRI of the head|'''MRI''' of the head]] is generally the first investigation of choice because of its high sensitivity.<ref name="HoLawn2013"/> However, if MRI is not readily available,<ref name="HoLawn2013"/> or there is continued neurological deficit or other indication of an acute intracranial disease, then initial imaging with '''[[head CT]]''' is reasonable. If such CT is normal, MRI should still be considered if seizures recur or in the presence of focal electroencephalography (EEG) abnormalities.<ref name="HoLawn2013">{{cite journal|last1=Ho|first1=K.|last2=Lawn|first2=N.|last3=Bynevelt|first3=M.|last4=Lee|first4=J.|last5=Dunne|first5=J.|title=Neuroimaging of first-ever seizure: Contribution of MRI if CT is normal|journal=Neurology: Clinical Practice|volume=3|issue=5|year=2013|pages=398–403|issn=2163-0402|doi=10.1212/CPJ.0b013e3182a78f25}} American Academy of Neurology</ref> | ||
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Latest revision as of 18:47, 6 November 2018
Author:
Mikael Häggström [notes 1]
Choice of modality
In a first-ever unprovoked seizure in adults, MRI of the head is generally the first investigation of choice because of its high sensitivity.[1] However, if MRI is not readily available,[1] or there is continued neurological deficit or other indication of an acute intracranial disease, then initial imaging with head CT is reasonable. If such CT is normal, MRI should still be considered if seizures recur or in the presence of focal electroencephalography (EEG) abnormalities.[1]
Notes
- ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.
