*Writing group members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. HRS Representative. ACC/AHA Task Force on Clinical Practice Guidelines Liaison. STS Representative. ACC/AHA Representative. ACC/AHA Task Force on Performance Measures Representative. The American Heart Association requests that this document be cited as follows: January CT, Wann LS, Calkins H, Chen LY, Cigarroa JE, Cleveland JC Jr, Ellinor PT, Ezekowitz MD, Field ME, Furie KL, Heidenreich PA, Murray KT, Shea JB, Tracy CM, Yancy CW. 2019 AHA/ACC/HRS focused update of the 2014 AHA/ACC/HRS guideline for the management of patients with atrial fibrillation: a report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. Circulation. 2019;140:e125 2019 by the American Heart Association, Inc., the American College of Cardiology Foundation, and the Heart Rhythm Society. 