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选择性冠状动脉造影过程中,由于导管对冠状动脉的机械刺激、造影剂直接注入冠状动脉引起的心肌缺血、造影剂的温度及造影技术操作等因素的影响,常发生明显的心电图改变,甚至引起严重心律失常与心室纤颤、猝死。为了摸索选择性冠状动脉造影时予防严重心律失常与猝死的一些问题,我院自1981年6月至1982年4月间用 Judkins 法进行选择性冠状动脉造影(部分动物兼作左室造影)的动物实验,共作22只狗,现总结分析如下。
Selective coronary angiography, due to catheter mechanical stimulation of the coronary artery, the contrast agent injected directly into the coronary artery caused by myocardial ischemia, contrast agent temperature and imaging techniques and other factors, often significant ECG changes, or even Cause serious arrhythmia and ventricular fibrillation, sudden death. In order to explore the selective coronary angiography to prevent serious arrhythmia and sudden death of some of the problems in our hospital from June 1981 to April 1982 by Judkins method for selective coronary angiography (part of the animal as both left ventricular angiography) animals Experiment, a total of 22 dogs, are summarized as follows.