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HardCardiologyAF Rate Control in HFrEFus-abimus-usmle-step-3

A 73-year-old man with heart failure with reduced ejection fraction (HFrEF) and chronic atrial fibrillation (AF) has a heart rate of 84 beats per minute on a maximised beta-blocker. He remains symptomatic with a reduced ejection fraction of 30%. What is the preferred rate control strategy?

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