Front | Back |
Sharply contoured waveforms that are judged to be abnormal
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sharp transient
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Regular waves that are similar to sine waves
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sinusoidal
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Electrographic seizure patterns
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ictal
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Waveforms that do not have a sinusoidal or simple geometric shape
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irregular activity
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Waveforms associated with or without clinical seizure manifestations
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epileptiform
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An event that stands out against the background
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transient
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Two components on opposite sides of baseline
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diphasic
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A wave that has 2 or more components of a different direction
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polyphasic
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Epileptiform activity not associated with a clinical event
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interictal
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One or more waves that begin abruptly stands out from that ongoing EEG activity, reaches maximum amplitude rapidly and disappears suddenly
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paroxysmal
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A wave that has components alternating about the baseline
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triphasic
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Check off the patterns in which more than 1 normal pattern from 2 foci located symmetrically in the 2 hemispheres can appear
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lambda, mu rhythm, posterior dominant rhythm, sleep spindles
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What unit is used to describe amplitude
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microvolts
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Which wave pattern is a diorder with multifocal epileptiform discharges observed using the EEG
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infantile spasms
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The brain is composed of ___ gray matter and ___ white matter
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40% , 60%
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