Managing diastolic or preserved ejection fraction heart failure (HFpEF)

How to treat "DIASTOLIC" heart failure or heart failure with a PRESERVED ejection fraction (HFpEF)? Over HALF of heart failure patients have this type, which is due to a stiff left ventricle that can't adequately fill. This is different from "SYSTOLIC" heart failure or heart failure with a REDUCED ejection fraction (HFrEF). These patients have…