The 24 hour dynamic electrocardiogram, echocardiography and clinical examination were performed in the CHF and VA patients prior to and at the end of 8 weeks treatment, observation of the alternation of VA and the heart function was made after using trimetazidine. 在治疗前及治疗后8周分别进行24小时动态心电图、超声心动图及临床检查,观察加用TMZ后VA及心功能临床征象的变化。