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本文通过频谱心电图重复性试验,发现诊断冠心病指标的重复性良好,具有一定的临床重复评价价值。而重复性差的指标与其定义相关,不能用作临床重复评价。对象为本院受检住院病人43例(男33,女10),年龄18～79岁,平均53.6岁。仪器为IBM/PC-XT(089机),心电采样频率为100Hz,分段进行快速付里叶变换,然后进行叠加平均。自动进行自功率谱、相移、脉冲响应、相干函数、幅度直方图、互相关函数分析,并将结果打印成诊断书:进入鉴别诊断者,提供二种诊断结果。第一次检查完毕,病人保持原体位重
In this paper, repeated tests of spectrum ECG found that the diagnosis of coronary heart disease indicators of good repeatability, with some clinical evaluation of the value of duplication. The poor reproducibility of the indicators associated with its definition, can not be used as clinical repeat evaluation. The subjects were hospitalized in our hospital 43 cases (33 men and 10 women), aged 18 to 79 years, an average of 53.6 years old. Instrument for the IBM / PC-XT (089 machine), ECG sampling frequency of 100Hz, fast Fourier transform section, and then stacked average. Automatic power spectrum, phase shift, impulse response, coherence function, amplitude histogram, cross-correlation function analysis, and the results printed as a diagnostic book: Enter the differential diagnosis, provide two diagnostic results. The first inspection is completed, the patient maintain the original body weight