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目的:探讨动态心电图(DCG)对冠心病患者心肌缺血及心律失常的诊断价值及意义。方法:应用动态心电图(Holter)对68例冠心病患者进行24 h动态心电图监测。结果:无痛性心肌缺血(SMI)42例(61.8%),伴典型心绞痛7例(10.3%),心肌缺血发作时快频率依赖者38例(55.9%)。昼夜发作规律为6:00~12:00发生率最高。结论:DCG对心肌缺血和心律失常的种类、时间、数量与日常活动的关系、变化规律以及药效可进行详细的观察,是监测心肌缺血和心律失常有效方法之一。
Objective: To investigate the value and significance of ambulatory electrocardiogram (DCG) in the diagnosis of myocardial ischemia and arrhythmia in patients with coronary heart disease. Methods: Sixty-eight patients with coronary heart disease underwent Holter monitoring for 24 hours. Results: Painless myocardial ischemia (SMI) was found in 42 (61.8%) patients with typical angina pectoris in 7 (10.3%) and in 38 (55.9%) patients with rapid ischemic attack. The rule of day and night attack is the highest incidence of 6: 00 ~ 12: 00. CONCLUSION: DCG can be used to observe myocardial ischemia and arrhythmia in terms of the type, time, quantity, daily activity, changes and pharmacodynamics. It is one of the effective methods to monitor myocardial ischemia and arrhythmia.