EEG BOARD PREP PRACTICE QUESTIONS, Complete Solution

EEG BOARD PREP PRACTICE QUESTIONS What stage of sleep will you find vertex waves? N1 What stage of sleep will you see sleep spindles? N2 What stage of sleep will you see POSTS? N1 What would an EEG look like of someone who has down syndrome? Normal If a patient is becoming "deeper" in a coma, triphasic waves are most likely to do what? Disappear What normal activity can be seen in C3/C4? Mu What is seen most often in children? Rolandic spikes What region do you see Rolandic spikes? central At which conceptal age do you begin to see delta brushes? 32-34 weeks electrocebral inactivity is defined as no EEG activity over what? 2 microvolts Immediately following an absence seizure the EEG will be? normal beta coma most commonly results from what? drug overdose a skull defect will result in what EEG pattern? breech rhythm What feature is most diagnostic of psychogenic PNES? no disruption of the PDR an electrographic seizure is characterized by what activity? episodic rhymes activity What is most useful when determining localization and polarity? montage what normal variant has positive polarity? lambda according to guidelines what is the bandwidth for routine EEGs? 1-70 hz how many millimeters are in one centimeter? 10 mm what is unilateral spikes considered ? focal abnormality what are the 3 best ways to describe EEG patterns and seizures? morphology, location, frequecy