Stroke symptoms last ≥24 hours Stroke results in permanent neurologic deficits Stroke can be due to hemorrhage (20%) or ischemia (80%) Stroke with no known cause is called cryptogenic Stroke spares the upper 1/3 of the face TIA symptoms last <24 hours TIA symptoms resolve completely TIA can only be due to ischemia (emboli or thrombus) – because hemorrhage would take >24 hours to resolve TIA does not spare the upper 1/3 of the face Artery localization The artery affected in stroke or TIA can be localized based on the symptoms. Anterior Cerebral Artery (ACA) Mainly lower extremity weakness Urinary incontinence Personality changes or psychiatric symptoms Middle Cerebral Artery (MCA)…