"aha/acc/hfsa guideline (2022): heart failure management" MCQ (SBA): HFrEF

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Moderate"B"HFrEF"aha/acc/hfsa guideline (2022): heart failure management"

A 66-year-old with HFrEF and persistent symptoms on ARNI, beta-blocker, and MRA asks about the 'fourth pillar.' Per 2022 HF guideline, what should be added?

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