Standard therapeutic drugs for heart failure?

①Diuretics: are the only drugs that can control fluid retention and treat heart failure, and can improve clinical symptoms more rapidly than other drugs for heart failure. Appropriate use of diuretics is one of the key factors in the success of other drugs for heart failure; ② Angiotensin-converting enzyme inhibitors: this drug is the cornerstone of the drugs for heart failure, and is essential to the standard treatment of heart failure. By inhibiting RAS, increasing the level of bradykinin, vasodilatory effect and inhibit ventricular remodeling and play a role in the treatment of heart failure; ③ β-blockers: because of the drug has a blocking effect on SNS and inhibit the activation of RAS, long-term use of chronic stable heart failure to improve the prognosis, reduce the rate of disease and death of the role of; ④ digitalis preparations: the drug has a positive inotropy, negative frequency and negative conduction effect. Although the treatment of heart failure has been in clinical use for more than 200 years, it is still the main drug for the treatment of heart failure.