Effects of Shenqifuxin Oral Liquid on the Plasma Kaliuretic Peptide, the Myocardial Contractility and Relaxation of Left Ventricle and the Left Ventricular Remodeling in Experimental Rats with Heart Failure Experiment of effective components from traditional Chinese herbs on ischemic left ventricular remodeling Comparative study on early application of the recipe for activating blood circulation and the recipe for supplementing qi for inhibiting left ventricular remodeling and apoptosis in rats with heart failure