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本文对具有特异性ＳＴ－Ｔ形态改变的早期冠心病患者３０例和具有相同ＳＴ－Ｔ形态的疑似冠心病患者４０例，及ＳＴ－Ｔ形态正常的健康人３０例进行心电图（ＥＣＧ），心电向量图（ＶＣＧ）及心尖搏动图（ＡＣＧ）检查．结果表明，冠心病组与疑似冠心病组之间，ＳＴ段长度，Ｔ波形态，Ｔ向量环及左室舒张功能参数不存在显著差异．两组均与正常人组存在显著差异，并且符合早期冠心病改变．因此认为。经ＥＣＧ筛选，结合ＶＣＧ及ＡＣＧ分析不失为诊断早期冠心病无创而简便的方法。
In this paper, 30 patients with early coronary heart disease with specific ST-T morphological changes and 40 patients with suspected coronary heart disease with the same ST-T morphology and 30 healthy subjects with normal ST-T morphology underwent electrocardiogram (ECG), heart Electrical vector chart (VCG) and apex beat chart (ACG) examination. The results showed that ST segment length, T wave morphology, T vector ring and left ventricular diastolic function parameters between coronary heart disease group and suspected coronary heart disease group were not significantly different. Both groups were significantly different from the normal group, and in line with early changes in coronary heart disease. So think. ECG screening, combined with VCG and ACG analysis of non-invasive and easy diagnosis of early coronary heart disease method.