Stroke: Risk factors, symptoms and the importance of time April 08, 2013 Overview Show transcript Overview David A. Miller, M.D., a diagnostic radiologist and director of The Joint Commission-certified Comprehensive Stroke Center at Mayo Clinic's campus in Jacksonville, Florida, provides an overview of stroke: Risk factors, signs and symptoms including face-arm-speech-time (FAST) indicators, the importance of time to restoring blood flow, mortality risk, and preventive measures. Receive Mayo Clinic news in your inbox. Sign up Related ContentArticleProposed pathogenesis for stroke in patients with COVID-19 VID-20433428 Medical Professionals Stroke: Risk Factors, Symptoms and the Importance of Time