本文根据Lown室性早搏分级标准,收集24小时动态心电图记录发现,冠心病非心肌梗塞患者中27例有复杂型室性早搏发作.现将其昼夜发作频度的监测情况报道如下.(一)临床资料本组男20例,女7例,年龄42～81岁,平均61岁.全部病例均采用美国HP43420A型动态心电分析仪行24小时连续动态心电图记录. According to Lown ventricular premature beats grading standards, the collection of 24-hour Holter record found that 27 cases of coronary heart disease in patients with non-myocardial infarction complicated by premature ventricular premature beats are now reported the frequency of its monitoring of day and night reported as follows: Clinical data The group of 20 males and 7 females, aged 42 to 81 years, mean 61. All cases were using the United States HP43420A dynamic cardiogram analyzer 24 hours continuous dynamic electrocardiogram.