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自 Mines 在1913年发现心脏电交替以来,普遍认为常规心电图上的电交替是一种少见的心电图异常,并认识到它的出现常提示有心肌病变,预后不良。为探讨缺血性心脏病患者的心脏与电交替的关系,我们对实验性急性心肌梗塞犬的心外膜电图上出现的电交替现象作了观察。材料与方法16条健康杂种狗,雌雄不拘,体重10～24kg,随机分为照组和实验组,每组8条。术前一天禁食,采用常规麻醉,气管插管,
Since Mines discovered the replacement of cardiac electricity in 1913, it has been generally accepted that alternating electrical current on a conventional ECG is a rare abnormality of the electrocardiogram and that its appearance often suggests a cardiomyopathy with a poor prognosis. To explore the relationship between heart and electrical alternation in patients with ischemic heart disease, we observed the appearance of electrical alternation in the epicardium of experimental acute myocardial infarction dogs. Materials and Methods 16 healthy mongrel dogs, male and female, weighing 10 ~ 24kg, were randomly divided into experimental group and control group, with 8 in each group. Preoperative fasting day, using conventional anesthesia, endotracheal intubation,