Snapshot A 55-year-old man presents to the emergency department after developing acute left-sided weakness and slurred speach. Medical history is significant for hypertension, multiple episodes of epistaxis, and gastrointestinal telangiectasias that resulted in iron deficiency anemia. On physical exam, the patient is marked left-sided weakness, slurred speech, and hemineglect. He also has multiple telangiectasias on the lips. A non-contrast head CT demonstrates a right-sided hemorrhagic stroke. Introduction Definition login to view 5 more bullets ETIOLOGY Pathophysiology login to view 1 more bullet Presentation Clinical presentation login to view 10 more bullets Studies Iron deficiency anemia login to view 1 more bullet Treatment Management is directed at the site of involvement login to view 1 more bullet Complications Hemorrhagic and embolic stroke Iron deficiency anemia Gastrointestinal bleeding Pulmonary hypertension