急性冠状动脉(下称冠脉)综合征(ACS)是一组冠状动脉粥样硬化,斑块破裂或糜烂,血栓形成或血管痉挛导致的急性或亚急性心肌缺血的临床综合征。根据临床病理,冠脉综合征的自然病程分为4个主要阶段:(1)脂肪沉积,脂肪条纹形成;(2)粥样斑块形成,冠脉血流减少;(3)粥样斑块破裂,冠脉内血栓形成;(4)1支以上冠脉完全阻塞或痉挛,心肌坏死。第1阶 Acute coronary syndrome (ACS) is a group of clinical syndromes of acute or subacute myocardial ischemia caused by coronary atherosclerosis, plaque rupture or erosion, thrombosis or vasospasm. According to clinical pathology, the natural history of coronary syndrome is divided into four main stages: (1) fat deposition, the formation of fatty streaks; (2) the formation of atherosclerotic plaques, coronary blood flow reduction; (3) atherosclerotic plaques Rupture, coronary thrombosis; (4) more than 1 coronary artery occlusion or spasm, myocardial necrosis. 1st order