Shenfu injection (SFI) and Shenmai injection (SMI) are classical Traditional Chinese Medicine (TCM) for chronic heart failure (CHF). SFI is used for Yang Deficiency syndrome, while SMI is used for Yin Deficiency. The present study aimed to investigate the effects of SFI and SMI on doxorubicin (DOX) induced chronic heart failure (CHF) in a rat model. A total of 33 CHF rats were successfully established and received 15 days of SFI and SMI treatment, followed by dividing into the DOX group, SMI group, and SFI group. Another 11 rats were chosen as the control group. Echocardiograms and carotid art...