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本文应用一阶导数图与二阶导数图相结合的时相定点方法,通过100例健康人、55例冠心病和40例高血压病患者三组不同人群的心阻抗微分图的检测,结果心输出量、心肌收缩力、STI和DTI以及血管功能参数等各项指标显示:健康人组与冠心病组和高血压组均有显著差异。并对各参数的意义也作了相应的论证。同时还将三组不同人群微分波特征进行比较,表明C波最有意义,与病情相关,次为A波和O波,但以A/C和O/C比值增大更有意义。
In this paper, the first-order derivative and second-order derivatives of the phase-fixed point method, through the 100 healthy people, 55 cases of coronary heart disease and 40 cases of hypertension in three groups of different populations of people’s heart impedance differential graph detection, the results heart Output, myocardial contractility, STI and DTI and vascular function parameters and other indicators show: healthy people and coronary heart disease group and hypertension group were significantly different. And the meaning of each parameter also made a corresponding argument. At the same time, the characteristics of differential wave in three groups of different people were also compared, which showed that C wave was the most significant and related to the disease, followed by A wave and O wave. However, it was more meaningful to increase the ratio of A / C to O / C.