急性心肌梗塞(AMI)是临床急诊常见的急性多发病,正确诊断及时救治对挽救濒死心肌、改善预后、降低急性期病死率和死亡率具有重要意义。在AMI的生化诊断方面,肌酸激酶(CK)及其同工酶(CK-MB)是目前常用的指标,但是CK-MB并非心脏所特有,在正常人骨骼中也有少量存在。非心脏手术或 Acute myocardial infarction (AMI) is a common acute clinical emergencies, the correct diagnosis and timely treatment of salvage myocardial damage, improve prognosis, reduce mortality and mortality in acute stage is of great significance. In the biochemical diagnosis of AMI, creatine kinase (CK) and its isoenzyme (CK-MB) are commonly used indicators, but CK-MB is not unique to the heart, but also exists in normal human bones. Non-cardiac surgery or