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7/25/2019 EEG Tracings & AED
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The EEG is the most useful laboratory test to help establish
the diagnosis of epilepsy and assist in the accurateclassification of seizures and specific epileptic syndromes.
Characteristic interictal EDs strongly support the diagnosis of
epilepsy, but absence of EDs does not exclude it. EDs are
recorded on the first EEG in 30% to 50% of patients with
epilepsy and in 60% to 90% by the third EEG. Additional EEGs
do not increase the yield further. Thus, 10% to 40% of
patients with epilepsy will not have interictal discharges, even
with repeated EEGs. Sleep, sleep deprivation,
hyperventilation, and photic stimulation increase the yield of
EDs in some patients.
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First page: Merrits Neurology
Succeeding pages:
http://www.slideshare.net/mejar1/handbook-of-eeg-
interpretation
ANTIEPILEPTIC DRUGS
http://www.slideshare.net/mejar1/handbook-of-eeg-interpretationhttp://www.slideshare.net/mejar1/handbook-of-eeg-interpretationhttp://www.slideshare.net/mejar1/handbook-of-eeg-interpretationhttp://www.slideshare.net/mejar1/handbook-of-eeg-interpretationhttp://www.slideshare.net/mejar1/handbook-of-eeg-interpretation7/25/2019 EEG Tracings & AED
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