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A 15-year-old boy with a past medical history of ADHD presents with odd behaviors including shrugging his shoulders and blinking frequently. His mother also states that he used to have some similar movements when he was younger, but they seem to have worsened since starting a new medication for his ADHD. Which of the following medications is most likely responsible for his symptoms?
A healthy 24-year-old female was admitted to the epilepsy monitoring unit for spell classification. What state is the patient during this segment of recording?
A 32-year-old woman with a known history of relapsing-remitting multiple sclerosis currently on ocrelizumab presents to the emergency room with the concern of having a demyelinating attack. An MRI brain with contrast shows a single, ovoid, juxtacortical white matter lesion with contrast enhancement that was not present on her last MRI scan. Which of the following is the most appropriate next step in medical management?
Which of the following blood vessels that supply the thalamus is the only one to branch off of the posterior communicating artery (PCOM) instead of the posterior cerebral artery (PCA)?
A 37-year-old male with the chief complaint of insidious unilateral hearing loss was found to have an acoustic neuroma on MRI. If a brainstem auditory evoked potential (BAEP) was performed which of the following would be most likely found?
A 27-year-old female with a history of cataracts and an unknown family history was referred to the neurology clinic for excessive daytime sleepiness. On examination facial weakness and grip myotonia were appreciated. Genetic testing revealed a mutation in the DMPK gene. Based on her diagnosis, which of the following tests should be performed annually?
A 4-year-old boy is brought to the pediatric neurology clinic with 4 months history of progressive dysarthria, ataxia, and abnormal limb movements. His mother says that the patient’s right side of the mouth seems to be pulled to the right and his left arm always seems to be pulled up towards his chest. An MRI was performed and shown below. What is the likely diagnosis?
Which of the following is appreciated in the right posterior quadrant in the EEG shown below?
Which of the following is not part of Gerstmann’s syndrome?
A 65-year-old man presents to the emergency room with progressive weakness over the course of several months. Examination shows pure motor weakness with no sensory involvement, decreased reflexes, and diffuse fasciculations. An EMG shows conduction block of motor neurons outside of compression sites and normal sensory conduction velocities. Which of the following antibodies is associated with this disease?
An 82-year-old woman donated her brain to science for post-mortem analysis (see below). Which of the following symptoms did the patient most likely experience before her passing?
A 65-year-old female with 40 pack-year history presents with a 2-week history of generalized weakness that improves with repeated testing. You are concerned for Lambert-Eaton myasthenic syndrome (LEMS). Which of the following statements is incorrect regarding LEMS and/or myasthenia gravis (MG)?
The MR angiogram shown below demonstrates which of the following?
A 58-year-old male presents with a few months of progressive symptoms. He reports limb rigidity, left greater than right, as well as neck stiffness. On exam, you note bradykinesia and cervical dystonia. He does not have a tremor. Speech is hesitant, and there is evidence of speech apraxia. You also note that the patient has trouble controlling the location of his left hand in space, and he grabs for your stethoscope without realizing it.
What is the most likely diagnosis?
A 37-year-old woman treated for herpes simplex virus (HSV) encephalitis two months ago returns to the ER with new personality changes, seizures, and orofacial dyskinesia. What is the most likely diagnosis?