What are the chances of detecting the occurrence of a seizure and other neurological disorders in the standard clinical scalp EEG trial with the standard 10-20 system.
References would be highly appreciated!!!
i believe it depends on a lot of factors, definition of abnormal EEG, age, timing, preceding clinical status, usage of augmenting procedures and others. For example in elderly population, the general yield is around 40%.
http://www.ncbi.nlm.nih.gov/pubmed/16093897
In children, specially with the introduction of ambulatory EEG devices, the general yield might be as up as 60%.
http://www.ncbi.nlm.nih.gov/pubmed/18539990
In our location paediatric population in our local study, we have also identified gender & age differences. The overall yield was around 47%..
http://www.omicsonline.org/open-access/eeg-profile--yield-in-evaluation-of-first-nonfebrile-seizures-in-childrenfirst-observational-study-in-qatar-2155-9562-1000330.php?aid=64304
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