RecruitingPhase 4Drug trialAnticoagulation for Stroke Prevention In Patients With Recent Episodes of Atrial Fibrillation Occurring Transiently With StressMultinational, investigator-initiated study of oral anticoagulation versus no anticoagulation for the prevention of stroke and other adverse cardiovascular events in patients with transient atrial fibrillation occurring transiently with stress and additional stroke risk factors.