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Which of the following can not cross the blood-brain barrier via channel-mediated transport?
What is the mechanism of action of abciximab?
A 32-year-old female with an acute ischemic stroke was sent for an urgent angiography. Below is the image captured from this study. What is the likely etiology of the patient’s acute ischemic stroke?
Vasogenic edema would be best appreciated on which of the following MRI sequences?
Occlusion of the vessel labeled 1 in the angiogram below would lead to which of the following symptoms?
A 39-year-old male presents with right-sided weakness and aphasia. NIHSS is 22 on physical exam. He was last known well 2.5 hours prior. The past medical history does not reveal any contraindications to tPA. A CT head is done and shows a hyperdense left MCA sign. The tPA is mixed by the nursing staff while you consent his wife for its administration. When you return to the bedside his aphasia has improved but his NIHSS is still 13. The blood pressure is 189/105 and the glucose is 225. What is the most appropriate next step?
A 59-year-old man with HTN, T2D, and peripheral vascular disease presents with sudden complete loss of vision in the left eye, which resolved after about 20 minutes. He denies any other symptoms. Which of the following vessels was most likely obstructed?
A 24-year-old patient had a severe unhelmeted motorcycle accident and despite best efforts by medication providers, he passed away two days later. An autopsy was performed. Identify the structure marked by the white arrow.
What is the pathophysiology of the lesion provided below?
A 58-year-old female with a history of atrial fibrillation on warfarin presents to the ED with aphasia and right-sided weakness. She was last seen well 2 hours prior. CT imaging is unremarkable. Which is the most appropriate next step?
Uncal herniation compressing on the structure marked below (black arrow) would lead to which of the following symptoms?
Identify the structure labeled 4 in the angiograms provided below.
Which of the following is present in the image shown below?
Which of the following findings is depicted in the catheter angiogram shown?
A 32-year-old female who is currently 39 weeks pregnant was brought to the emergency room after experiencing a first-time seizure. Neurological examination is non-focal except for mild somnolence and decreased visual acuity in both eyes. Vitals signs were normal except for a blood pressure of 192/104 mmHg. An MRI was performed and shown below. Which of the following is the most appropriate step in management?