ACNS 2 Revisions: Background - New Terminology PDF

What is the revised duration category for intermediate duration as defined by the International League Against Epilepsy? A. 5–10 mins B. 1–9.9 mins C. 10–20 mins D. 1–4.9 mins ANSWER: B What was the previous voltage categorization for high amplitude before the recent changes? A. $ 100 mV B. $ 200 m...

What is the revised duration category for intermediate duration as defined by the International League Against Epilepsy? A. 5–10 mins B. 1–9.9 mins C. 10–20 mins D. 1–4.9 mins ANSWER: B What was the previous voltage categorization for high amplitude before the recent changes? A. $ 100 mV B. $ 200 mV C. $ 250 mV D. $ 150 mV ANSWER: B In the recent changes, what is the new range of voltage defined for medium amplitude? A. 100–199 mV B. 200–299 mV C. 50–149 mV D. 50–199 mV ANSWER: C Which of the following categories has been changed from a major modifier to a minor modifier? A. Polarity B. Rhythmic patterns C. Voltage D. Duration ANSWER: A What is the defined range for long duration according to the changes made? A. 1–59 mins B. 10–59 mins C. 10–60 mins D. 5–59 mins ANSWER: B Which voltage category is newly added for high activity? A. Above 150 mV B. Above 100 mV C. Above 199 mV D. Above 250 mV ANSWER: A What is the revised categorization for high voltage activity? A. Above 250 mV B. Above 150 mV C. Above 200 mV D. Above 100 mV ANSWER: B What change was made to the long duration category in the recent revisions? A. It was categorized differently. B. Its range was shortened. C. It was removed. D. Its range was lengthened. ANSWER: D What aspect of EEG findings was highlighted as an important distinction in some circumstances? A. Polarity B. Rhythmic patterns C. Amplitude D. Asymmetry or slowing ANSWER: D What major change combined ‘variability’ and ‘Stage II sleep transients’ in the 2021 terminology? A. Background oscillations B. State changes C. EEG fluctuations D. Rhythmic and Periodic Patterns ANSWER: B What is the new term introduced for the Cyclic Alternating Pattern of Encephalopathy in the 2021 changes? A. Cyclic Brain Activity B. Cyclic Alternating Pattern of Encephalopathy (CAPE) C. Cyclic Alteration Pattern D. Cyclic EEG Pattern ANSWER: B Which frequency criterion distinguishes electrographic seizures from PDs or SWs? A. 1.0 Hz and duration of 5 seconds B. 2.5 Hz and duration of 10 seconds or more C. 3.0 Hz with no duration limit D. 2.5 Hz and duration of less than 10 seconds ANSWER: B What does a typical frequency of.4 Hz and a duration of less than 0.5 seconds indicate? A. A possible lateralized pattern B. Electrographic seizure criteria C. An identifiable BIRD D. Potential polyspike activity ANSWER: D Under the revised terminology, how is the evolution of an RPP defined? A. Limited to patterns that are ≤ 4 Hz and < 10 seconds B. Patterns that evolve regardless of frequency C. Exclusively patterns exceeding 4 Hz for any duration D. All evolving patterns of any duration ANSWER: A What would qualify a pattern as a BIRD based on its definition? A. An RPP with a frequency of > 3 Hz B. An RPP of any frequency exceeding 10 seconds C. An RPP with a typical frequency ≤ 4 Hz and having no evolution D. An RPP with evolution lasting less than 10 seconds ANSWER: D What is indicated by a lateralized (bilateral asynchronous) pattern? A. Patterns beginning in one hemisphere and propagating to the other B. Patterns with equal distribution across the hemispheres C. Patterns that affect both hemispheres synchronously D. Unilateral patterns observed in both hemispheres ANSWER: A If an RPP has a typical frequency of 0.5 Hz and lasts 10 seconds, what does it qualify as? A. A bilateral RPP B. An electrographic seizure C. A nonevolving pattern D. Identical bursts ANSWER: B What does 'identical bursts' refer to in the 2021 terminology? A. Unrelated sporadic spikes B. Multiple unique brain activities C. Various non-repeating signals D. Consistent repetitive waveforms ANSWER: D Which major term refers to patterns exhibiting bilateral asynchronous characteristics? A. Electrographic Patterns B. Lateralized Patterns C. Rhythmic Pattern Seizures D. Independent Bilateral Patterns ANSWER: B What is the new predominant background frequency that has been added to EEG analysis? A. Gamma (.30 Hz) B. Beta (.13 Hz) C. Delta (.5 Hz) D. Theta (.07 Hz) ANSWER: B When describing 'Highly Epileptiform Bursts', how has the criteria changed regarding the number of epileptiform discharges? A. Present if 1 or more discharges are seen within 50% of bursts. B. Present if 2 or more discharges are seen within 50% of bursts. C. Present if 4 or more discharges are seen within 75% of bursts. D. Present if 3 or more discharges are seen within 25% of bursts. ANSWER: B What is the new term that refers to rhythmic discharges that might be linked to seizure activity? A. Persistent Rhythmic Discharges B. Brief Potentially Ictal Rhythmic Discharges (BIRDs) C. Ictal Discharge Patterns D. Seizure-Related Rhythmic Patterns ANSWER: B How has the definition of burst suppression changed regarding attenuation and suppression percentage? A. From 1–50% to 50–90% B. From 0–100% to 50–99% C. From 0–99% to 1–50% D. From 10–90% to 50–99% ANSWER: B What modifier is associated with the term 'Stimulus-Terminated'? A. Electrographic Modification B. Supratentorial Modulation C. Responder Modulation D. Seizure Record Termination ANSWER: A In the context of electroclinical seizure activity, what term signifies a possible but unconfirmed state of seizure? A. Possible Electroclinical Status (PES) B. Possible Electrographic Seizure (PESz) C. Possible Electroclinical Seizure (PECSz) D. Possible Electroclinical Status Epilepticus ANSWER: D Which of the following describes the change in the definition of 'nearly continuous' EEG background? A. Changed from