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应用24小时动态心电图对18例正常人及17例急性心肌梗塞(AMD患者的心率变异进行研究,并观察17例其它疾病患者的心率变异趋势。结果显示:(1)AMI患者的Lorenz散点图明显区别于正常人,前者多为鱼雷状,后者多为慧星状,AMI患者RR间期标准差与百分位数增多显著低于正常人I(2)不同梗塞部位即前壁与下壁AMI患者间,Lorenz散点图、标准差及百分位数均未见差异;(3)其它患者Lorenz散点图特点各不相同,呈复杂型或短棒状、鱼雷状、慧星状。提示本法为一种检测自主神经张力的无创性分析方法。
24-hour Holter monitoring of heart rate variability in 18 normal subjects and 17 patients with acute myocardial infarction (AMI) was performed and the trend of heart rate variability in 17 patients with other diseases was observed.The results showed that: (1) Lorenz scattergram Significantly different from normal people, the former mostly torpedo-shaped, the latter mostly comet-like, AMI patients with RR interval standard deviation and percentile increased significantly lower than normal I (2) different infarct sites that the anterior and inferior There was no difference between Lorenz scattergram, standard deviation and percentile in patients with wall AMI. (3) The Lorenz scatter plots of other patients were different, complex or short rod shape, torpedo-like, comet-like. Tip This method is a noninvasive method of detecting autonomic nervous tension.