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目的探讨应用动态心电图监测冠心病患者心绞痛发作24h昼夜节律变化的意义。方法确诊为冠心病但常规心电图检查无异常发现的患者,用动态心电图监测其24h内心绞痛发作次数,同时将一昼夜分为6个时间段,并分别进行统计。结果入选的38例冠心病患者其心绞痛发作次数白昼(84.59%)明显多于夜间,全天发作高峰在600～1000(39.00%)。结论冠心病患者的心绞痛发作有明显的昼夜分布节律。
Objective To investigate the significance of using circadian monitoring electrocardiogram to monitor the changes of circadian rhythm of patients with coronary heart disease at 24 hours after onset of angina pectoris. Methods Patients diagnosed with coronary heart disease but without abnormal ECG findings were monitored with electrocardiogram (ECG) for the number of episodes of angina pectoris within 24 hours. At the same time, the patients were divided into 6 time periods in a day and night, and statistics were performed separately. Results The number of angina pectoris in 38 patients with coronary heart disease was significantly higher than that of nocturnal and all-day seizures at daytime (84.59%). Conclusion Angina pectoris patients have obvious circadian rhythms.