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过去,无论教课书,还是心血管专业的参考书,都十分简单地将下壁心肌梗死的罪犯血管归结为右冠状动脉分出的后降支闭塞引起。近年来,随着对冠脉病变及急性心肌梗死认识水平的迅速提高,认识到给左室下壁供血的后降支可以起源于右冠脉分支(80%),回旋支(20%)及前降支(少数较长的前降支,从前室间沟绕过心尖部进入后室间
In the past, both textbooks, or cardiovascular professional reference books, are very simple to submerge the culprit artery infarction due to the right coronary artery out of the descending artery occlusion caused. In recent years, with the rapidly increasing awareness of coronary artery disease and acute myocardial infarction, it is recognized that the descending coronary artery supplying the inferior wall of the left ventricle may originate from the right coronary artery branch (80%), the circumflex artery (20%) and Anterior descending artery (a few longer anterior descending artery, the anterior chamber between the apex around the apex into the posterior chamber