Oussama Wazni, MD, Section Head, Cardiac Electrophysiology and Pacing and electrophysiologist Walid Saliba MD discuss atrial fibrillation stroke prevention, and the role of left atrial appendage occlusion: outcomes noted at Cleveland Clinic, what to do in patients that are unable to take Coumadin due to risk of bleeding, FDA indications, new technology available and the role of LAA occlusion in light of the newer anticoagulants.