Keywords Qiangxinli capsule;congestive heart failure;therapy;M-Mode color doppler echocardiogram;Radix Astragali seu Hedysari;Redix Aconiti praeparata;Radix Salviae Miltiorrhizae;

• 强心力胶囊;充血性心力衰竭;超声多普勒分析;黄芪;附子;丹参;