Investigators will determine whether N-of-1 trials, as a pragmatic, participant-centered approach to medication optimization that can overcome key barriers of deprescribing, can lead to increased participant confidence regarding their preference to continue or discontinue beta-blockers in older adults with Heart Failure with Preserved Ejection Fraction (HFpEF).
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Change in participant's confidence regarding their preference to continue or discontinue beta-blocker, as assessed by qualitative interviews
Timeframe: From the date of their baseline visit to the date of their last follow-up interview, assessed up to 88 weeks.
Change in participant decision-confidence, as measured by the Decisional Conflict Scale (DCS)
Timeframe: From the date of their baseline visit, to the date of their end of intervention visit, assessed up to 36 weeks.