Document Detail

Clinical significance of photic stimulation during routine EEGs of adult patients.
MedLine Citation:
PMID:  17285818     Owner:  NLM     Status:  MEDLINE    
Intermittent photic stimulation (IPS) is an activating procedure meant to elicit or accentuate epileptiform discharges during an EEG. There is insufficient clinical data to advocate IPS in the routine EEGs of all adult patients. We therefore sought to address the clinical significance of routine IPS in the adult population. We retrospectively reviewed 100 consecutive abnormal EEGs in adult patients (inpatients and outpatients) who had undergone photic stimulation in our laboratory. Nine patients had abnormalities noted during IPS. The abnormalities consisted of sharp waves in four patients and focal slowing in five patients. Only one patient had abnormalities on IPS that provided information additional to that seen on the baseline record.
S Nizam Ahmed; Julie Unterman; Bonnie McCloskey; D Barry Sinclair
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of electroneurodiagnostic technology     Volume:  46     ISSN:  1086-508X     ISO Abbreviation:  Am J Electroneurodiagnostic Technol     Publication Date:  2006 Dec 
Date Detail:
Created Date:  2007-02-08     Completed Date:  2007-03-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9607038     Medline TA:  Am J Electroneurodiagnostic Technol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  356-62     Citation Subset:  IM    
University of Alberta, Department of Medicine, Edmonton, Alberta, Canada.
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MeSH Terms
Aged, 80 and over
Electroencephalography / methods*
Epilepsy / diagnosis*
Evoked Potentials, Visual*
Mass Screening / methods*
Middle Aged
Photic Stimulation / methods*
Reproducibility of Results
Retrospective Studies
Sensitivity and Specificity

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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