What medication(s) may worsen one with CHF

LV is a 72 with chronic stable CHF. 1. What medication(s) may worsen one with CHF, what meds for diabetes may need to be avoided in one with CHF and why? 2. What two classes of diuretics are commonly used for CHF and why? 3. What is the role and mechanism for ACEIs, ARBs, digoxin, and BBs in one with CHF 4. For all medications discussed please explain the monitoring parameters of efficacy and side effects.