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A full-term male is having a routine awake and sleep EEG performed because of episodes concerning for possible seizures. These episodes were first noticed four days after an uncomplicated vaginal delivery. On the video EEG recording, you notice a violent jerking of the limbs followed by sustained stiffening after a phone rings loudly in the room. What is the most likely diagnosis?
Which of the following EEG artifacts is prominently seen on this EEG?
Which of the following is the reversal agent for apixaban?
A 42-year-old woman presents to the clinic with a 2-month history of distal symmetric hand weakness that started after hospitalization for severe abdominal pain. Before this hospitalization, she was drinking alcohol with her friends when she acutely developed severe abdominal pain, nausea, restlessness, altered mental status, and hallucinations. She was noted to have dark urine at the time of admission. Since then, her GI symptoms and mentation have returned to baseline, but her weakness has persisted. On exam, she has 3/5 strength of the intrinsic muscles of the hand bilaterally. Conduction velocities of the bilateral upper extremities were unremarkable. Needle EMG revealed fibrillations and decreased recruitment of motor unit action potentials in muscles innervated by the radial and ulnar nerves. Which of the following is the most likely cause of the patient’s symptoms?
What is the pathophysiology of the lesion provided below?
A 65-year-old woman with a past medical history of hypertension, hyperlipidemia, and migraine headaches previously well-controlled on propranolol, presents to the clinic with new headache characteristics. The patient states that she recently has a new scalp tenderness. On further history, she endorses jaw soreness after eating. What is the most appropriate initial diagnostic test?
A 67-year-old male with a gait disorder is having a polysomnogram due to aggressive leg movements during sleep. During the study, an abnormality is noted during sleep. The EMG and chin leads show excessive muscle artifact during sleep, while at the same time the EEG shows quick deflections in the lateral leads, indicating rapid alternating eye movements. He is given a diagnosis and started on medication. Which of the following is the most appropriate treatment for this sleep issue?
Which of the following is not part of Gerstmann’s syndrome?
A 4-month-old male with no significant past medical history was admitted to the epilepsy monitoring unit with episodes concerning for possible seizures. The family has noticed that events tend to occur when the child is angry. One episode is captured during his stay. The first symptoms appreciated were excessive crying followed by loss of tone and a few myoclonic jerks for 20 seconds. The patient then rapidly returned to baseline thereafter. There were no epileptiform discharges seen during this episode. Based on the most likely diagnosis, what is the most appropriate next step in management?
This brain biopsy is representative of which of the following tumors?
A 55-year-old male presents to the clinic with a complaint of right lower extremity pain and weakness. On examination of the right lower extremity, there is decreased sensation to pinprick on the medial calf and foot, 4/5 strength with knee extension, and a mute patellar reflex. These findings are most likely due to radiculopathy of which of the following nerve roots?
A previously healthy 15-year-old male presents to the emergency room after experiencing a concussion while playing soccer. He is now back to baseline but to be thorough the ED physician orders an MRI which is shown below. What is the lesion shown in this MRI?
What sensitivity should the EEG be at to qualify for brain death criteria?
An 83-year-old male with a past medical history of PD is brought to the clinic with his daughter due to worsening behavior at his nursing home. He has become easily agitated with staff and will occasionally yell out at night at “people trying to rob him”. His daughter asks which treatments could be used to help with these symptoms. Which of the following antipsychotic agents would be the best treatment options?
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?
Which of the following is the most sensitive test for myasthenia gravis (MG)?
A 30-year-old man with a past medical history of migraines presents to the emergency department for his typical migraine symptoms, which have become intractable. He is treated with a “migraine cocktail” (normal saline, acetaminophen, and prochlorperazine) with some improvement. You are then called to the bedside for concern that he is having a possible seizure. His head is turned forcibly to the right without eye deviation and he is able to follow commands and verbalize. Which of the following is the best next step in management?
Which of the following drug-mechanism pairs is incorrect?
A 48-year-old patient with a past medical history of chronic migraines is brought in by her family with sudden-onset memory complaints. She is unable to recall where she lives or even her own name. A brain MRI (Left: DWI. Right: ADC.) is shown below. Which of the following is the most likely diagnosis?