P3848Why do clinicians withhold anticoagulation in patients with atrial fibrillation and CHA2DS2VASc score of 2 or higher?. (28th August 2018) - Siegal, D M; Verbrugge, F; Martin, A C; Fiarresga, A; Camm, J; Pieper, K; Fox, K A A; Bassand, J P; Haas, S; Goldhaber, S Z; Kakkar, A K; ,