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心绞痛是以急性心肌局部缺血为条件,同时并发驱体和精神现象的疼痛综合征。此综合征的直接原因是引起心肌功能可逆性改变的暂时性局部缺血(几秒钟,几分钟)。心肌长时间局部缺血会导致心肌结构不可逆性损害,即心肌梗塞。这两个过程的界限,即小分子的可逆性改变至组织的坏死改变经常是不明显的,不能简单地分开。心绞痛的症状主要是疼痛。
Angina pectoris is a pain syndrome that is based on acute myocardial ischemia, with concurrent drivers and mental signs. The immediate cause of this syndrome is transient ischemia (seconds, minutes) that causes a reversible change in cardiac function. Myocardial ischemia for a long time can lead to irreversible myocardial damage, myocardial infarction. The boundary between these two processes, that is, the reversibility of small molecule changes to necrosis of the tissue, is often not obvious and can not be easily separated. The main symptoms of angina are pain.