Infective endocarditis (IE) ※自体瓣膜心內膜炎 native valve endocarditis ◇人工瓣膜心内膜炎 prothetic valve endocarditis 令静脉药瘾者心内膜炎 endocarditis in intravenous drug abusersInfective endocarditis （IE） ※自体瓣膜心內膜炎 native valve endocarditis  人工瓣膜心内膜炎 prothetic valve endocarditis  静脉药瘾者心内膜炎 endocarditis in intravenous drug abusers