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研究对象为连续28个月内收治的135(男93、女42)例不稳定型心绞痛患者,年龄51±10岁。本组患者年龄在75岁以下,未患衰竭性疾病,无左束枝传导阻滞,从前也未做过主动脉冠状动脉搭桥术。入院前服用β阻滞剂者可继续用药。发病后6.5±5.9小时起,记录24小时双导动态心电图(Holter ECG)。如果 ST段抬高≥1mm 或者 J 点后80ms 处 ST 段呈水平型或下垂型降低≥1mm,且持续60s,则为缺血性 ST 段移位。
The subjects were 135 (male 93, female 42) patients with unstable angina who had been treated for 28 consecutive months and were 51 ± 10 years old. This group of patients under the age of 75, did not suffer from degenerative diseases, no left bundle branch block, aortic coronary bypass has not been done before. Pre-admission beta blockers can continue to medication. From the onset of 6.5 ± 5.9 hours, a 24-hour Holter ECG was recorded. If the ST elevation ≥ 1mm or 80ms at J point 80cm ST segment was horizontal or ptosis decreased ≥ 1mm, and continued 60s, the ischemic ST segment displacement.