Figure 3. Effect of QiShen YiQi pill (QSYQ) on heart structure and function in rats. (A) Echocardiography of rat heart. (B) Left ventricular end-diastolic diameter in rats. (C) Interventricular septal thickness in rats. (D) Left ventricular posterior wall thickness in rats. Data are expressed as mean ± SD. *P<0.01, #P<0.05.