Aims To describe guideline adherence and application of different stroke risk strati. cation schemes regarding antithrombotic therapy in real-life atrial. brillation (AF) patients and to assess which factors influence antithrombotic management decisions.Methods and results The Euro Heart Survey enrolled 5333 AF patients in 35 countries, in 2003 and 2004. Prescription of antithrombotic drugs, especially oral anticoagulation (OAC), was hardly tailored to the patient's stroke risk pro. le as indicated by the joint guidelines of the American College of Cardiology, American Heart Association, and the European Society of Cardiology, ACCP guidelines, or CHADS(2) and Framingham risk scores. In multivariable analysis, only a limited number of the we...