The document contains 20 frequently asked questions about angiotensin receptor-neprilysin inhibitors (ARNI). The questions cover topics such as the role of digoxin in heart failure, why ARNI was not used in the PARADIGM-HF trial, how ARNI should be monitored, its use in pregnancy and heart failure with preserved ejection fraction, dosing and safety. The document provides answers from Professor Dr. Md.Toufiqur Rahman, a cardiologist, about the role and use of ARNI in treating heart failure.