摘要
目的探讨冠心病慢频率依赖性无痛性心肌缺血患者的动态心电图(DCG)特征。方法采用美国MGYHLTER12.NET3导联动态心电图分析系统,动态检测时间为24h,检测开始后属患者详细记录生活日志和相关症状,专人测量分析心率、心律失常、心肌缺血等指标。结果96例患者发作时间为44.9min/24h,总发作时间4316.12min/24h,发作最长305min/24h,最短者3min/24h,ST段压低范围-1.3～-5.3mm,均为无痛性心肌缺血;ST段压低发作时间分布以凌晨05:00～08:00最多,与其他时段比较差异有统计学意义(P<0.05);心率在41～60次/min时,ST段压低的持续时间最长。结论冠心病慢频率依赖性无痛性心肌缺血发生在清晨的比例高于其他时期,临床上应警惕该时段冠心病患者的病情变化,积极采取抗心肌缺血治疗,预防心脏猝死的发生。
Objective To investigate the dynamic electrocardiogram characteristics of coronary heart disease with slow rate dependence painless myocardial ischemia. Methods To Use the MGY HLTERI2.NET3 dynamic electrocardiogram analysis system to check the heart rate, arrhythmia and myocardial ischemia. The Checking time were 24 hours. Results The attack time of 96 patients were 77 minutes to 24 hours. The total attack time was 431612min/24h. The longest attack time was 305min/24h, the shortest was 3min/24h and the range of ST segment depression was - 1.3mm - - 5.3mm.The attack time of the most cases of ST segment depression was 0.5： 00 - 08：00（ P 〈 0.05）. When heart rate was 41 - 60/min, The attack time of ST segment depression was the longest. Conclusion The rate of coronary heart disease with slow rate dependence painless myocardial ischemia is the highest in the morning, Clinical staff should pay attention to the changes of patients with coronary, heart disease in this time, treat myocardial ischemia and prevent sudden cardiac death.
出处
《四川医学》
CAS
2008年第8期1081-1082,共2页
Sichuan Medical Journal
关键词
冠心病
慢频率
心肌缺血
动态心电图
ST段压低改变
coronary heart disease
slow rate
myocardal ischemia
dynamic electrocardiogram
ST segment depression
