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目的 :分析冠状动脉造影病人的其心电图改变、症状符合率。方法 :将接受冠脉造影的 2 0 0例分为 3组 :A组为心电图ST T改变合并典型心绞痛 81例 ;B组为有心电图ST T改变合并不典型心绞痛或无症状 70例 ;C组为有症状、但无心电图ST T改变的 4 9例。分别对每组及心律失常的冠脉造影阳性率进行分析。结果 :三组的冠脉造影阳性率分别为 83%、39%和 18%。心律失常病人的阳性符合率分别为92 %、5 3%和 17%。结论 :同时伴有心电图改变及典型心绞痛症状发生者 ,与冠脉造影检查的符合率最高。单凭心电图异常或不典型心绞痛及心律失常诊断冠心病的可靠性差 ,易误诊 ;合并有冠心病危险因素的病人冠脉造影阳性率增高
OBJECTIVE: To analyze the changes of electrocardiogram and the coincidence rate of symptoms in patients undergoing coronary angiography. Methods: Two hundred and ten patients undergoing coronary angiography were divided into three groups: group A was electrocardiogram (STT), with change of typical angina pectoris (81 cases); group B was electrocardiogram (STT) with atypical angina or asymptomatic change of 70 cases; group C Asymptomatic, but no change in ST ST 49 cases. The positive rates of coronary angiography in each group and arrhythmia were analyzed respectively. Results: The positive rates of coronary angiography in the three groups were 83%, 39% and 18% respectively. The positive coincidence rates for arrhythmia patients were 92%, 53% and 17%, respectively. CONCLUSIONS: The coincidence rate with coronary angiography was highest in patients with both ECG changes and typical angina pectoris. The reliability of coronary heart disease diagnosed by abnormal electrocardiogram or atypical angina pectoris and arrhythmia is poor and easily misdiagnosed. The positive rate of coronary angiography in patients with coronary heart disease risk factors is increased