Use the most up to date, clinically validated method to calculate your patients risk of stroke in nonvalvular atrial fibrillation. Based on the recent Euro Heart Survey, the CHA2DS2-VASc score is recommended by multiple sets of guidelines for stroke risk stratification in patients with AF. Use this program in combination with our HAS-BLED bleeding risk calculator to guide anticoagulation decision making for your patients with atrial fibrillation (also available on the iTunes App Store from HEFESOFT)