Atrial fibrillation may raise the risk of sudden cardiac death, according to findings from two large population-based cohorts.

The risk of sudden cardiac death was elevated 3.26-fold with incident atrial fibrillation in multivariate analysis of the ARIC (Atherosclerosis Risk in Communities) study, Lin Y. Chen, MD, MS, of the University of Minnesota Medical School in Minneapolis, and colleagues found.

via Afib Linked to Sudden Cardiac Death, Too.