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Which of the following EEG artifacts is prominently seen on this EEG?
A 9-year-old boy with no significant past medical history was referred to get an EEG because of declining school performance and concern for staring vs. daydreaming episodes. Hyperventilation was performed and shown below. His EEG was otherwise unremarkable. Based on the available data which is the most appropriate next clinical step?
The electrographic pattern appreciated in the 6th second of this recording likely represents which of the following?
What is the electrographic pattern seen best in the right temporal electrodes?
Which of the following conditions is most likely to have an associated disorder of abnormal motor activity during the following sleep state?
A 19-year-old male presents to the ED during finals week of college after he had witnessed generalized convulsive activity on the floor of his dorm room. He has since returned to baseline. He states he has never had shaking like this before, other than when he wakes in the morning he’ll get an occasional twitch or two. An EEG is performed as below. Which is the treatment of choice?
A focal seizure must involve how much cortex in order to be appreciated with scalp EEG recording?
What sensitivity should the EEG be at to qualify for brain death criteria?
What is the most likely clinical scenario related to the EEG provided below?
The EEG shown below is consistent with which of the following?
What is the state of the patient in the EEG shown below?
A patient with a history of focal to bilateral tonic-clonic seizures has an EEG performed to see if they have responded to levetiracetam. Based on the EEG below, from which region of the brain does epileptiform activity arise?
Which of the following is most consistent with this EEG tracing?
Which direction are the patient’s eyes moving at the points marked by the green circles?
A 45-year-old man suffered a cardiac arrest after a heroin overdose. He received 30 minutes of CPR with an eventual return of spontaneous circulation. After being cooled per post-arrest protocol the patient was rewarmed. 48 hours after being warmed the patient remained in a persistent comatose state with minimal brainstem reflexes. To evaluate the degree of hypoxic-ischemic injury an EEG was ordered. Which of the following EEG patterns carries the worst prognosis after a hypoxic-ischemic injury?