急性心肌梗死(acute myocard ial infarction,AM I)是心血管疾病中的一种急症,因其病情凶险、死亡率高,长期以来一直是急诊工作中首要重视的疾病。患者抢救成功与否,往往取决于能否得到及时早期正确的诊断及治疗。典型心肌梗死有剧烈持久胸骨后压榨性或紧缩性疼痛,有反复发作心 Acute myocardial infarction (AMI) is an emergency in cardiovascular disease. Due to its dangerous condition and high mortality rate, AMI has long been the most important disease in emergency work. Successful treatment of patients or not, often depends on whether timely and accurate diagnosis and treatment can be obtained. Typical myocardial infarction has severe persistent chest compressions or contractions pain, recurrent heart