摘要
感染性心内膜炎由病原微生物感染心内膜引起。赘生物（图1）是其特征性的病损，由血小板和纤维蛋白组成，其内附着或包埋着循环病原微生物。
Infeetius endoearditis results from mierobial infeetion of the endothelial surface of the heart. The eharaeteristic lesion.a vege-tation（Figure I）,is a mass of platelets and fibrin within which circulating micro-organisms have adhered and enmeshed.
