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心梗就是心肌梗塞,它是在冠状动脉粥样硬化的基础上,冠脉血管持续痉挛形成血栓,使冠状动脉管腔发生狭窄甚至完全闭塞,导致血流急剧减少或中断,使相应供血的心肌细胞发生严重而持久的缺血性坏死。一般来说,在急性心肌梗塞发病前约有80%的病人会有先兆表
Myocardial infarction is myocardial infarction, which is based on coronary atherosclerosis, coronary spasm continued thrombosis, the coronary artery lumen stenosis or even complete occlusion, resulting in a sharp reduction or interruption of blood flow, so that the corresponding blood supply to the myocardium Severe and persistent cellular ischemic necrosis. In general, about 80% of patients have antecedents before the onset of acute MI