Question: What is a consideration with medication regimens for heart failure? Select one: a. Diltiazem can improve heart failure symptoms. b. Beta-blockers should be used at the lowest dose long term. c. Metoprolol tartrate is the preferred salt form instead of metoprolol succinate. d. An SGLT2 inhibitor (dapagliflozin, etc) may be included as part of "quadruple therapy."