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Identify the electrographic pattern appreciated at electrode P3 in the EEG below:
A focal seizure must involve how much cortex in order to be appreciated with scalp EEG recording?
A 6-year-old Amish female presents to the emergency department with a 2-month history of gradual cognitive decline and jerking limb movements. A routine EEG was obtained (see below). Which of the following diseases is consistent with these EEG findings?
Which of the following is appreciated in the right posterior quadrant in the EEG shown below?
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 EEG shown below is consistent with which of the following?
The electrographic pattern appreciated in the 6th second of this recording likely represents which of the following?
What task is likely being performed during this EEG recording?
Identify the pattern seen in the 5th second of this EEG recording.
A full-term (40 weeks gestational age) male had an uncomplicated delivery with good APGAR scores. However, the family has noticed unexplained episodes of tremulousness. Because of these abnormal movements, an EEG was ordered. Which of the following is the most accurate description of the findings shown in the epoch below?
A 35-year-old female with a history of heroin abuse was found unresponsive and received 35 minutes of CPR before a return of spontaneous circulation (ROSC). She was intubated in the field and was brought urgently to the hospital. While in the ICU, the nursing staff noticed abnormal movements concerning for possible seizure. An EEG was performed and shown below. What is this finding most consistent with?
Which of the following conditions is most likely to have an associated disorder of abnormal motor activity during the following sleep state?
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?
Identify the finding noted with a blue arrow.
Which of the following is the best prognostic finding on EEG after cardiac arrest?
Which of the following is a necessary requirement for electrocerebral inactivity (ECI) testing?
Which way are the patient’s eyes moving at the point of the asterisk marked below?
What is the electrographic pattern seen best in the right temporal electrodes?
Which of the following is most consistent with this EEG tracing?
The EEG pattern shown below is most consistent with which of the following?
What sensitivity should the EEG be at to qualify for brain death criteria?
A 19-year-old female who was admitted to the epilepsy monitoring unit for medically refractory epilepsy had one of her typical seizures captured during recording (see below). Which of the following symptoms did the patient most likely experience at the time of this recording?
A 5-month-old female is brought to the emergency room by her parents because of an episode concerning for possible seizure. On arrival, the patient appears back to her clinical baseline neurologically. Several hypomelanotic lesions are appreciated while performing a skin check. The mother notes that her older brother has similar skin findings. An EEG is performed and shown below. A typical event was captured that correlated with an electrodecrement of cortical activity on EEG.
Based on the child’s diagnosis, what is the most appropriate therapy?
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?
What is the most likely clinical scenario related to the EEG provided below?
Which of the following EEG patterns is typically seen over the age of 50?
The electrical fields that generate the cortical activity appreciated on electroencephalogram (EEG) are the result of which of the following?
What is the state of the patient in the EEG shown below?
Sleep spindles can be asynchronous until what age?
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?
Based on the EEG shown below, how old is this patient?
The epileptologist’s EEG report for a patient in the neuro-ICU identifies a “burst suppression” pattern. Which of the following is not a criterion required to diagnose burst suppression?
A mother and father bring in their 8-month-old son to your clinic for clinical events described as sudden flexion of the limbs and trunk, seen most often upon awakening or falling asleep. His interictal EEG is demonstrated below. Which of the following is the most likely cause of the patient’s symptoms and EEG findings?
What clinical diagnosis does this EEG tracing suggest?
Identify the finding shown in the EEG below:
Which direction are the patient’s eyes moving at the points marked by the green circles?
Which of the following is associated with a “delta brush” pattern on EEG?