社区获得性肺炎
community acquired pneumonia
  肺炎(pneumonia)旳概念
指涉及终末气道、肺泡腔及肺间质炎症病因以感染最常见，如细菌、病毒、真菌、寄生虫等；理化因素；免疫损伤；过敏；药物等
按发生场合社区获得性肺炎(community acquired pneumonia ,CAP) 医院获得性肺炎 (hospital acquired pneumonia ,HAP)
肺炎分类