The add-on drugs: spironolactone and eplerenone for survival in advanced failure, milrinone for short-term intravenous support, ivabradine when the heart rate stays high, sacubitril-valsartan (never with an ACE inhibitor) and the SGLT2 inhibitors. What these do and do not ask. Indications, adverse effects, contraindications and patient education are in, weighted above mechanism. Doses are out, and so is the digoxin target level, which is why the sets run shorter than the usual 30. Every option carries its own reason, correct and incorrect alike.
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