Objective:To study the relationship of endothelin(ET) and creatine kinase(CK) to the changes of heart function of patients with acute myocardial infarction(AMI).

• 目的：探讨急性心肌梗塞（AMI）患者血浆内皮素（ET）及肌酸激酶（CK）浓度与心功能变化之间的关系。