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Exam (elaborations)

EEG board prep Exam/180 Complete Q’s and A’s

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  • EEG board prep
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  • EEG Board Prep

EEG board prep Exam/180 Complete Q’s and A’s

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  • August 26, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • EEG board prep
  • EEG board prep
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Nursephil2023
EEG board prep Exam/180
Complete Q’s and A’s
Mu Rhythm - --c3/c4 region
-7-11Hz
-does not block with eye opening
-easy to see with eyes open
-blocks unilaterally with contralateral hand
-asymmetrical and asynchronous
-NORMAL

-Beta - -->14 HZ
-detected during wakefulness, enhanced during drowsiness, and decreased
in deeper sleep
-seen on barbiturates and benzodiazepines

-Lambda waves - --NORMAL, awake
-sharp waves occurring in occipital region (o1/o2) during wakefulness
-visually scanning a picture in a lit room
-physiological, eyes OPEN
-saccadic eye movement
-4-6hz

-Small sharp spikes / BETS - --occurs in stage 1/stage 2
-peaks at 30-60 years
-temporal region
-occurs sporadically and short duration
-NORMAL benign variant

-Wicket Spikes - --Single spike or 6-11 hz Mu like shape seen in drowsiness
and light sleep.
-mid temporal region
-seen in adults over 30
-NORMAL benign variant

-14&6hz positive spikes - --posterior/temporal region (t5/t6)
-normal benign variant
-light sleep
-best seen in referential montage
-runs last less than 2 seconds
-seen in a lot of adolescents

-sleep spindles - --11-14hz , 1/2 second duration
-central regions

, -asynchrony is abnormal after 2years old
-stage 2 sleep

-Hypnagogic Hypersynchrony - --2-6years old
-central/frontal regions
-paroxysmal bursts high voltage, 3-4.5hz
-normal variant of drowsiness

-Dilantin toxicity - -ataxia (loss of control of body muscles)

-Laplacian montage - --source reference deviation
-looks at only the electrodes that are closest to the point of interest
-emphasizes localized waveforms

-deja vu - --complex partial sz
-automatisms/impaired consciousness

-extreme spindles - --found in MR (mental retardation) patients
-high voltage, anterior dominant
-generalized

-OIRDA (Occipital Intermittent Rhythmic Delta Activity) - --encephalopathy
eeg pattern most associated with children
-high amplitude, saw toothed, and reactive to eye opening

-Rolandic Spikes - --seen in children
-cento/temporal
-seen in benign rolandic epilepsy

-FIRDA - --Frontal Intermittent Rhythmic Delta Activity
-reacts to stimulation
-2-3hz
-rhythmic
-awake adult eeg

-Atonic seizure (drop attack) - -generalized seizure characterized by sudden
loss of muscle tone and strength; may cause the head to drop suddenly,
objects to fall from the hands, or the legs to lose strength, with falling and
potential injury

-Tonic seizure - -Muscle stiffness, rigidity

-photomyogenic response - --normal physiological response to photic light
-frontal leads
-only seen with eyes closed

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