CHADS-VASC calculator for estimating embolus risk in AF patients. Based on article at Chest journal. (2010 Feb;137(2):263-72. doi: 10.1378/chest.09-1584.) Widely in use internationally.
SOGs calculator has been designed with ease of use and clarity in mind. All selections are made on a single page and you see the results the second you make a selection. The same applies for the treatment recommendation.