AF is the most common sustained cardiac arrhythmia in adults worldwide.
Prevalence is thought to be 2% to 4%. Estimates suggest that prevalence is increasing, owing in part to extended longevity in the general population and ongoing efforts to search for undiagnosed AF.
Approximately 40% of patients admitted with heart failure and reduced ejection fraction and 50% of patients admitted with heart failure and preserved ejection fraction have AF on ECG.
Associated with a 50% increase in risk of AF.
Prevalence in AF is 41%.
In particular, mitral valve disease and rheumatic heart disease.
May be associated with valvular or congenital cardiac disease, or cardiomyopathy.
Common postoperative complication.
May be associated with atrial flutter, Wolff-Parkinson-White syndrome, or atrioventricular nodal re-entrant tachycardias.
About 10% to 15% of patients with untreated thyrotoxicosis develop AF.
Limited data suggest that athletes may have a higher risk of developing AF.
May be associated with AF. One meta-analysis of prospective cohort studies found that the risk was higher in male smokers compared with female smokers.
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