<正>急性心肌梗死(acute myocardial infarction,AMI)是指因急性心肌缺血所致的急性心肌损伤。临床将AMI分为ST段抬高型心肌梗死(ST-segment elevation myocardial infarction,STEMI)和非ST段抬高型心肌梗死(non-ST-segment elevation myocardialinfarction,NSTEMI)[1]。