Snapshot A 61-year-old man presents to the emergency department after his son found him somnolent at his home on the floor. The son is not sure how this event occurred. Medical history is significant for hypertension, Alzheimer dementia, and atrial fibrillation. He is currently taking lisinopril, metoprolol, donepezil, and wafarin. A CT head without contrast is performed and demonstrates a cerebellar bleed. The bed is elevated, he is given mannitol and intravenous vitamin K and fresh frozen plasma. Neurosurgery is consulted for emergent cerebellar decompression. Introduction Definition login to view 1 more bullet Epidemiology Risk factors login to view 2 more bullets Pathogenesis Hypertension vasculopathy login to view 8 more bullets Amyloid angiopathy login to view 2 more bullets Presentation Symptoms/physical examination login to view 7 more bullets Imaging CT head without contrast login to view 5 more bullets Studies Serum login to view 1 more bullet Studies login to view 3 more bullets Differential Migraine headaches login to view 2 more bullets Epidural hematoma login to view 2 more bullets Treatment Medical login to view 14 more bullets Operative login to view 7 more bullets Complications Cerebral herniation Seizures Intraventricular bleeding