What are the ACC-AHA guidelines for anticoagulation in patients with nonvalvular atrial fibrillation (Afib) (AF)?

Updated: Nov 18, 2019
  • Author: Lawrence Rosenthal, MD, PhD, FACC, FHRS; Chief Editor: Jeffrey N Rottman, MD  more...
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The 2014 American College of Cardiology (ACC)/American Heart Association (AHA)/Heart Rhythm Society (HRS) guidelines on anticoagulation for patients with nonvalvular AF include the following [1] :

  • No risk factors: No anticoagulation or antiplatelet therapy

  • One moderate-risk factor: Aspirin 81-325 mg/day, or anticoagulants

  • Any high-risk factor or more than one moderate-risk factor: Anticoagulants

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