近年来 ,缺血性心脏病发病率逐年增加 ,发病年龄日趋年轻化 ,已成为威胁我国人民生命和健康的常见病和多发病。心肌细胞因缺血、缺氧而致功能和结构的变化 ,甚至细胞坏死是病变的主要环节。如何保护缺血心肌和减少心肌坏死是临床救治和转复不良预后的关键。及时溶栓和急诊经皮 In recent years, the incidence of ischemic heart disease increased year by year, the age of onset increasingly younger, has become a threat to our people’s lives and health of the common and frequently-occurring disease. Myocardial cells due to ischemia, hypoxia caused by changes in function and structure, and even cell necrosis is the main part of the disease. How to protect the ischemic myocardium and reduce myocardial necrosis is the key to clinical treatment and poor prognosis. Timely thrombolysis and emergency transdermal