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许多临床及病理研究发现电轴左偏者心肌疾病发生率很高,许多病例尸解时存在冠状动脉粥样硬化与/或心肌纤维化,故而作出了电轴左偏可作为无临床症状的缺血心脏病(IHD)的标记,或有发生临床IHD高度危险的假说.但过去研究的样本大小,年龄,追踪时间均不统一,结论也不一致.本文研究目的是探索无心脏病证据的电轴左偏
Many clinical and pathological studies have found that the incidence of myocardial disease is high in the left-axis of the echocardiogram. Coronary atherosclerosis and / or myocardial fibrosis are present in autopsy cases in many cases, and thus the left-lateral axis can be used as a symptom of absence of clinical symptoms IHD, or the hypothesis that there is a high risk of clinical IHD, but the sample size, age, and follow-up time were not uniform and the conclusions were inconsistent in the past study.The purpose of this study is to explore the axial left without evidence of heart disease Partial