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用国产PXD-Ⅲ型动态心电图仪,MV_5导联对54例(男35、女19)患者进行24h监测,平均年龄50.8岁(20～78岁)。临床初诊冠心病17例,可疑冠心病31例,尚有6例为体检病人。作常规12导联ECG时,发现正常者42例、陈旧性心肌梗塞1例、心肌缺血11例。然后用动态心电图(DCG)检测,将符合下列条件者纳入检查组分析:1.在原有ST-T缺血改变的基础上ST段水平或下斜型压低≥1mm和(或)T波倒置者;2.有心绞痛病史的病人,出现ST-T缺血改变,但无自觉症状者;3.无心瓣膜疾病、贫血、左室肥厚、束支阻滞、预激综合征,一周内未应用过
54 cases (35 males and 19 females) were monitored by domestic PXD-III Holter and MV_5 lead for 24h, with an average age of 50.8 years (20-78 years). Clinical diagnosis of coronary heart disease in 17 cases, suspicious coronary heart disease in 31 cases, there are 6 cases for the medical examination. For conventional 12-lead ECG, found in 42 cases of normal, 1 case of old myocardial infarction, myocardial ischemia in 11 cases. And then use the dynamic electrocardiogram (DCG) test, will meet the following conditions were included in the inspection group analysis: 1. ST-segment elevation in the original ST-T level or down ramp depression ≥ 1mm and (or) T wave inversion ; 2 patients with history of angina, ST-T ischemic changes, but no symptoms; 3 no heart valve disease, anemia, left ventricular hypertrophy, bundle branch block, pre-excitation syndrome, not used within a week