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Which of the following medications has been shown to improve neurological outcomes in patients with subarachnoid hemorrhage?
A 32-year-old man with no significant past medical history presents to the emergency department after experiencing a generalized tonic-clonic seizure. His neurological examination was unremarkable. As part of his work-up, an MRI was obtained (see FLAIR axial image below). What is the most appropriate next step in management?
Which of the following arteries supplying the thalamus provides supply to the lateral geniculate nucleus (LGN)?
What is the anatomical structure marked by the blue arrow?
A lesion to which of the following arteries could produce the ischemic findings shown in the MRI below (Brain MRI, axial cuts. Left: DWI sequence. Right: ADC sequence).
A 45-year-old man presents to the clinic with a disc of the following MRI. Which symptom is the patient likely experiencing?
Which of the following arteries supplies the lumbar spinal cord?
The pathology shown in the image below is likely secondary to which of the following?
What is the mechanism of action of abciximab?
Cytotoxic edema would be best appreciated on which of the following MRI sequences?
A 67-year-old man presents urgently to the emergency room with an acute onset of left-sided weakness and numbness. A CT head was performed and shown below. What is the most likely etiology of the patient’s symptoms?
The pathology shown in the image below is likely due to which of the following?
A 68-year-old woman with a history of diabetes and hypertension presented urgently to the ED with a 2-day history of headaches and confusion. Before any imaging was able to be completed in the emergency room, the patient had a cardiac arrest and died. An autopsy was requested by the family. A gross pathologic image of the patient’s brain is shown below. What is the most likely etiology of the findings seen in this image?
Occlusion of the vessel labeled 1 in the angiogram below would lead to which of the following symptoms?
Which of the following medications is associated with the occurrence of reversible cerebral vasoconstriction syndrome (RCVS)?
A 23-year-old female with a history of optic neuritis presents with a 1-week history of left leg weakness. Neurologic examination reveals decreased strength of the left lower extremity. A lumbar puncture reveals oligoclonal bands with lymphocytic pleocytosis. What stain can be used to identify the dysfunctional cells in this condition?
Which of the following can not cross the blood-brain barrier via channel-mediated transport?
A 37-year-old man with a history of hypertension presents to the emergency department with a one-day history of difficulty walking. On examination, he has right leg paresis and hyperreflexia with a right-sided Babinski response. His non-contrast axial CT scan is shown below. Which of the following is the most likely etiology of this patient’s symptoms?
A pediatric neurology consult was placed for a 5-day-old, full-term newborn with macrocephaly. When formally measured his head circumference was 46 cm. A tense fontanelle was appreciated on examination. A bedside ultrasound was performed and the only abnormality appreciated was significant hydrocephalus. What is the most likely etiology of the patient’s symptoms?
An 18-year-old male with a history of IV drug use was found unresponsive on a park bench by police. He was intubated by EMS and sent directly to the emergency room. The patient is comatose on examination. CT scan of the head is shown below. What is the likely diagnosis?