Document Detail

Electroencephalographic characteristics of patients infected with west nile virus.
MedLine Citation:
PMID:  17912061     Owner:  NLM     Status:  MEDLINE    
: The EEG is helpful in the evaluation of patients with altered mental status and can provide clues for the underlying cause of certain entities. There are few descriptions of the EEG findings in patients with West Nile virus (WNV) infection. We describe the clinical presentation as well as the electroencephalographic findings in five patients with WNV encephalitis. Review of the records of all cases of WNV infection seen at the Mayo Clinic from 1999 to 2003, in which an EEG had been performed. Five patients with WNV encephalitis, in whom an EEG was performed, were found. All the patients had altered mental status and the EEG showed moderate to severe degrees of generalized slowing. Three of the patients had triphasic waves on the EEG. The patients did not have any metabolic disorder or electrolyte abnormalities that could account for these findings. EEG findings in WNV are consistent with an encephalopathic pattern and show varying degrees of generalized slow wave abnormalities and in some cases triphasic waves.
Alcibiades J Rodriguez; Barbara F Westmoreland
Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society     Volume:  24     ISSN:  0736-0258     ISO Abbreviation:  J Clin Neurophysiol     Publication Date:  2007 Oct 
Date Detail:
Created Date:  2007-10-03     Completed Date:  2007-12-12     Revised Date:  2013-05-20    
Medline Journal Info:
Nlm Unique ID:  8506708     Medline TA:  J Clin Neurophysiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  386-9     Citation Subset:  IM    
New York University Comprehensive Epilepsy Center, New York, New York 10016, USA.
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MeSH Terms
Aged, 80 and over
Brain / physiopathology*
Middle Aged
Retrospective Studies
West Nile Fever / physiopathology*
West Nile virus

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