"moderate" MCQ (SBA): Heart Failure with Reduced Ejection Fraction
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Moderate"MRAs (spironolactone/eplerenone) improve survival in HFrEF if renal function and potassium allow. Thiazides or CCBs don't confer mortality benefit; ivabradine is for select high‑HR patients after foundational therapy."Heart Failure with Reduced Ejection Fraction"moderate"
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