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A 27-year-old presents to the clinic with finger extension, wrist extension, shoulder abduction, and shoulder adduction weakness. There is also numbness along the lateral and posterior arm. Which of the following is the most likely cause of the patient’s symptoms?
A 4-year-old female was brought to the emergency room for lethargy, ataxia, and nausea. MRI brain with contrast showed well-circumscribed, contrast-enhancing heterogeneous lesions in the 4th ventricle. Surgical resection was performed and histopathologic analysis was completed. Which of the following is the correct diagnosis?
Cerebral amyloid angiopathy would be best appreciated on which of the following MRI sequences?
Which of the following is the reversal agent for apixaban?
A 27-year-old woman presents with recurrent episodes of tinnitus, vertigo, and hearing loss. She denies any associated headaches. Episodes typically last between 2 and 6 hours in duration. MRI of the brain with and without contrast did not reveal any pathology. Physical examination is unremarkable except for sensorineural hearing loss appreciated in the right ear. Which of the following is the most likely diagnosis?
A 66-year-old patient with bradykinesia, hypomimia, dementia, postural instability, cogwheel rigidity, shuffling gait, and resting tremor presents to your clinic. He has been on carbidopa/levodopa for several years, which has helped, but now his wearing-off phenomenon is becoming more frequent despite attempted medication adjustments. He asks about deep brain stimulation (DBS).
Which of the following is a contraindication for DBS in Parkinson’s disease (PD)?
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?
You are caring for a 65-year-old that sustained a small hypertensive intracranial hemorrhage. Early physical therapy is initiated. They discover that while she can sit unassisted, she is unable to stand. When standing, she sways and falls forward, backward, or to one side. On a detailed physical exam, strength is 5/5 to flexion and extension at the ankle, knee, hip, shoulder, elbow, and wrist bilaterally.
Which of the following locations of the bleed best explains this finding?
A 35-year-old Dominican Republic immigrant is brought to the emergency room for a first-time seizure. He is currently back to baseline and has a normal neurological exam. His only complaint is a multiple-month history of chronic headaches. A head CT scan is performed and shown below. Which of the following is the most likely etiology of his symptoms?
Which of the following is present in the image shown below?
A 32-year-old male comes into the headache clinic for severe headaches. They occur several times a day and last approximately one hour. They are only felt on the left side of his head, and he says he gets a runny nose and a little teary during the episodes. What is a notable side effect of the prophylactic medicine that is considered first-line therapy for this condition?
You are consulted to the psychiatric hospital to see a 48-year-old female with schizophrenia who has been under psychiatric care for 2 weeks after ingesting hundreds of pennies over a prolonged period. You are asked to address her new complaints of numbness in her feet and trouble walking. On exam, she had a broad-based gait and a positive Romberg. What could explain these findings?
Which of the following structures has an intact blood-brain barrier?
Which of the following can increase the risk of seizures while taking bupropion?
Axial T2 (left) and T1 (right) brain MRI images of a 3-month-old with a history of seizures and developmental delay are displayed below. Which of the following is the most likely cause for the pathology shown?