感染性心内膜炎(IE)的临床表现,如其名称的变化所描述的那样,由于抗生素、医疗技术的发展及社会环境的改变已有明显的变化。当本症主要的病原菌是绿色链球菌的时代,叫迁延性心内膜炎,或亚急性细菌性心内膜炎(SBE)。但近年来葡萄球菌、革兰氏阴性感染的病例增加,特别是真菌、立克次氏体等非细菌性心内膜炎也开始在本症中占有重要的位置。另外,由于抗生素疗法的发展,近年来使用的急性或亚急性概念的鉴别也有困难。故对本症称之为感染性心内膜炎。相反,近年来人工瓣 The clinical manifestations of infective endocarditis (IE), as the name suggests, have changed dramatically as a result of antibiotics, advances in medical technology, and changes in the social environment. When the main pathogen of this disease is the era of Streptococcus green, called persistent endocarditis, or subacute bacterial endocarditis (SBE). However, in recent years, Staphylococcus aureus, Gram-negative infections increased cases, especially fungi, rickettsia and other non-bacterial endocarditis have begun to occupy an important position in the disease. In addition, the identification of acute or sub-acute concepts used in recent years has also been problematic due to the development of antibiotic therapies. Therefore, this disease is called infective endocarditis. In contrast, in recent years artificial valve