A-fib and rate control: Don't go too low
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Aim for a heart rate of <110 beats per minute (bpm) in patients with permanent atrial fibrillation. Maintaining this rate requires less medication than more stringent rate control, resulting in fewer side effects and no increased risk of cardiovascular events. Strength of recommendation: B: Based on 1 long-term randomized controlled trial (RCT).
Journal of Family Practice, 59(8) 2010: 434-436.