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目的对心电图对不稳定型心绞痛血管病变的定位诊断及与冠状动脉造影的符合程度进行分析,从而更加明确心电图诊断的准确度。方法采用回顾分析的方法 ,选取40例确诊为不稳定型心绞痛的患者,对40例患者心电图检查的情况与冠状动脉造影结果进行分析,观察血管病变的情况。结果正常心电图13例,其中冠状动脉造影单支血管病变6例(4例轻度狭窄,2例中度狭窄),多支血管病变7例(6例中度狭窄,1例重度狭窄);不正常心电图27例,其中冠状动脉造影单支血管病变4例(1例轻度狭窄,3例中度狭窄),多支血管病变23例[23例均为重度狭窄(5例单支堵塞)]。结论心电图是诊断不稳定型心绞痛血管病变的常用方法 ,但如果部分患者的心电图表现不明显,则容易造成误诊,必要时应行冠状动脉造影检查。
OBJECTIVE: To analyze the localization of electrocardiogram (ECG) in patients with unstable angina pectoris and its compliance with coronary angiography, so as to make the diagnosis of ECG more definite. Methods By retrospective analysis, 40 cases of patients with unstable angina pectoris were selected. The electrocardiogram and coronary angiography results were analyzed in 40 patients and the vascular lesions were observed. Results Thirteen patients had normal electrocardiogram, including 6 coronary angiography (4 mild stenosis, 2 moderate stenosis), 7 multivessel disease (6 moderate stenosis, 1 severe stenosis); There were 27 patients with normal ECG, of which 4 had coronary angiography (1 with mild stenosis and 3 with moderate stenosis) and 23 with multivessel disease (23 with severe stenosis (5 with single occlusion)] . Conclusion ECG is a common method for the diagnosis of unstable angina vasculopathy, but if some patients ECG is not obvious, it is easy to cause misdiagnosis, coronary angiography should be performed if necessary.