VIEWS: 10 PAGES: 7 POSTED ON: 5/25/2011
RMO Quiz 1. Question 1. This 87-year-old woman was brought to the hospital after being found by her family to be disoriented. She has a history of atrial fibrillation and a left occipital stroke that occurred 6 years ago. She was C noted to have L face and arm weakness. A CT scan was performed. a. In addition to the clearly visible left occipital stroke there is: D an acute left MCA infarct B an acute right MCA infarct an acute right PCA infarct nothing abnormal E Please label marked arrows. B-E. Question 2. A 65 year old man attends following 30 min of L sided weakness. His wife describes a facial droop, slurred speech and a weak L arm and leg. Currently he looks and feels well, all signs having resolved. His BP is 160/90. a. What is this man’s risk of a stroke in the next 7 days? b. Should he be admitted? c. How would you assess this? Question 3. This 43-year-old man was in his usual state of health at 1 am, but was found at 6 am vomiting and seizing and rapidly becoming unresponsive. In the Emergency Department, he was noted to be markedly hypertensive. A CT scan was obtained. a. The scans demonstrate which of the following: loss of gray-white distinction and/or hypodensity ventricular enlargement hemorrhage a mass lesion an arteriovenous malformation nothing abnormal b-g. Name the types of brain bleeds you know. Question 4. a-c. Name the 3 higher functions that allow you to easily and reliably determine that a stroke is cortical rather than subcortical. d. What is the pathological significance of this? Question 5. a-b. What are the predominant risk factors for subcortical strokes? c. Where are these often seen on CT scan? Question 6. A 74 year old woman presents following an episode of LOC which lasted 30 seconds. She experienced no warning symptoms and when she came to she was alert and orientated although a little clammy. On examination there is no focal neurological abnormality. Why is this lady unlikely to have had a stroke?
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