EEG BOARD PREP PRACTICE QUESTIONS WITH CORRECT ANSWERS

What stage of sleep will you find vertex waves? - Answer N1 What stage of sleep will you see sleep spindles? - Answer N2 What stage of sleep will you see POSTS? - Answer N1 What would an EEG look like of someone who has down syndrome? - Answer Normal If a patient is becoming "deeper" in a coma, triphasic waves are most likely to do what? - Answer Disappear What normal activity can be seen in C3/C4? - Answer Mu What is seen most often in children? - Answer Rolandic spikes What region do you see Rolandic spikes? - Answer central At which conceptal age do you begin to see delta brushes? - Answer 32-34 weeks electrocebral inactivity is defined as no EEG activity over what? - Answer 2 microvolts Immediately following an absence seizure the EEG will be? - Answer normal beta coma most commonly results from what? - Answer drug overdose a skull defect will result in what EEG pattern? - Answer breech rhythm What feature is most diagnostic of psychogenic PNES? - Answer no disruption of the PDR an electrographic seizure is characterized by what activity? - Answer episodic rhymes activity What is most useful when determining localization and polarity? - Answer montage what normal variant has positive polarity? - Answer lambda according to guidelines what is the bandwidth for routine EEGs? - Answer 1-70 hz how many millimeters are in one centimeter? - Answer 10 mm what is unilateral spikes considered ? - Answer focal abnormality what are the 3 best ways to describe EEG patterns and seizures? - Answer morphology, location, frequecy what is another name for small sharp spikes ? - Answer BETS what makes lambda different from posts? - Answer occurs with eyes open are spikes considered abnormal? - Answer yes what type of activity will a neonatal seizure show on an EEG? - Answer focal rhythmic ativity What montage should be used for an ECI according to guidelines? - Answer double distance which filter setting will record the greatest effect on a 70 Hz wave? - Answer 70 Hz what is most attenuated by a low filter of 5 Hz - Answer .1 Hz what localization is most used in referential montages? - Answer amplitude A patient with ms will have what type of EEG? - Answer normal what is the value in psychiatric disorders? - Answer rules out seizures If a patient has a skull defect it is very important to what? - Answer document history When evaluating abnormal discharges what 2 things should you document? - Answer level of consciousness and movement