Evaluation of Stroke Evaluation aims to establish the following: Whether stroke has occurred Whether stroke is ischemic or hemorrhagic Whether emergency treatment is required What the best strategies for preventing subsequent strokes are Whether and how to pursue rehabilitation Stroke is suspected in patients with any of the following: Sudden neurologic deficits compatible with brain damage in an arterial territory A particularly sudden, severe headache Sudden, unexplained coma Sudden impairment of consciousness Glucose is measured at bedside to rule out hypoglycemia.