目的：探讨陈旧性心肌梗死的心电图定位诊断与冠状动脉造影关系。
Objective: to study the relation between and the orientation diagnosis of ECG coronary angiogram in patients with old myocardial infarct (OMI).
目的：探讨陈旧性心肌梗死对冠心病患者非心脏手术围手术期心脏事件的影响。
Objective: To evaluate the influence of prior myocardial infarction (MI) on perioperative cardiac events in patients undergoing noncardiac surgery.
目的通过对老年陈旧性心肌梗死（MI）患者组织纤维化血清指标变化的观察，探讨将其作为反映MI患者心肌纤维化过程指标的临床应用价值。
Objective To study the changes of tissue fibrosis indexes in serum and to evaluate their clinical value in reflecting the process of fibrosis in aged patients with previous myocardial infarction (MI).
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