近年来,肺炎的发病因素、临床表现多有改变,出现了某些较复杂的情况。为提高认识,就以下几个问题谈点看法。一、力求作病因诊断肺炎的种类很多,按病变的解剖部位分为大叶性、小叶性和间质性肺炎;按病程可分为急性和慢性肺炎;按感染途径可分为吸入 In recent years, the incidence of pneumonia, clinical manifestations of many changes, there have been some more complicated situation. To raise awareness, talk about the following questions. First, to make the cause of diagnosis Many types of pneumonia, according to the anatomy of the lesion is divided into lobar, lobular and interstitial pneumonia; according to the course of the disease can be divided into acute and chronic pneumonia; by infection can be divided into inhalation