• Gerald W Smetana, Eli V Gelfand, Patricia Tung, and Risa B Burns.
• Beth Israel Deaconess Medical Center, Boston, Massachusetts (G.W.S., E.V.G., P.T., R.B.B.).
• Ann. Intern. Med. 2025 Feb 11.

AbstractAtrial fibrillation (AF) is the most common arrhythmia. Risk factors for AF include obstructive sleep apnea, physical inactivity, obesity, cigarette use, and alcohol misuse. Atrial fibrillation substantially increases the risk for stroke and is associated with higher rates of mortality than for individuals without AF. Strategies to prevent these risk factors and to optimize those that already exist reduce the risk for subsequent AF. Physicians play an important role in proposing strategies to reduce the risk for AF among patients. Decision making regarding management of AF is often complex and requires consideration of symptoms, burden of AF (the percentage of time in AF), comorbid conditions that increase stroke risk, and the risk for bleeding. In particular, novel risk scoring systems to predict stroke risk, and consideration of factors beyond those in these tools, refine the ability to identify patients with AF who are most likely to benefit from anticoagulation to reduce stroke risk. Early use of catheter ablation of AF in selected patients improves symptoms and reduces the potential for progression from intermittent to persistent AF. A 2023 collaborative guideline from the American College of Cardiology, American Heart Association, American College of Chest Physicians, and the Heart Rhythm Society addressed multiple aspects of care of patients with AF. Here, a general cardiologist and a cardiac electrophysiologist discuss recommendations derived from this guideline and how to apply them to the care of a particular patient.

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