Pharmacology General b1af2b38 Which of the following is NOT contraindicated about the use of β blockers in CHF A These should be started at very low dose and slowly titrated upwards B Carvedilol is most widely used β blocker C These are drug of choice in acute decompensated heart failure D These can reduce mortality in CHF patients High-Yield Explanation Beta blockers are contraindicated in acute decompensated heart failure.