Status of the epidemiology of atrial fibrillation

Abstract

Atrial fibrillation (AF), an increasingly common dysrhythmia, is responsible for substantial morbidity and mortality. Currently in the United States, approximately 2.3 million people are diagnosed with AF and, based on the census, this number may rise to 5.6 million by 2050. Risk factors for AF include advancing age and cardiovascular disease and its risk factors. The chief hazard of AF is embolic stroke, which is increased four- to fivefold, assuming great importance in advanced age when it becomes a dominant factor. AF is associated with about a doubling of mortality.

Figures

Figure 1

Risk of Atrial Fibrillation by Parental Atrial Fibrillation Status: Framingham Offspring Cohort

Figure 2

5-Year Stroke/Death Risk in Atrial Fibrillation Framingham Study