| Chronic heart failure is myocardial structure change and myocardial function degradation because of external etiological factors,which results in a series of complex clinical symptoms,also results in disordering neuroendocrine hormone and increasing the sympathetic nervous system activity.As progress of the disease,heart function gradually decreases,then with higher mortality.Beta blocker?ACEI/ARB and diuretics are the basic treatment of chronic heart failure.The development of new drugs to treat chronic heart failure has improved the prognosis of patients with chronic heart failure. |
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