Part 1: Ischemic Stroke: Pathophysiology and Principles of Localization
Matthew Brandon Maas, MD, and Joseph E. Safdieh, MD
Dr. Maas is a fellow in Stroke and Neurocritical Care, Harvard Medical School, Departments of Neurology, Massachusetts General and Brigham and Womens Hospitals, Boston, MA. Dr. Safdieh is an assistant professor of neurology, Department of Neurology and Neuroscience, Weill Medical College of Cornell University, New York, NY.
Evaluation by an ophthalmologist reveals a branch retinal artery occlusion. On mental status examination, she shows mild memory impairment and is unable to perform serial 7s. Neurologic examination is significant for decreased hearing bilaterally. She has no family history of similar neurologic problems and no abnormal skin findings.
Which of the following diagnoses is most consistent with this patients clinical presentation?