引起老年人肺内感染的微生物很多,细菌是比较常见的微生物,尤其是某些耐药菌更易导致严重的肺内感染。目前,临床上各类抗生素种类繁多,各种细菌的耐药程度也不同,因此,肺内感染是老年人的常见病,特别是在体质差和伴有其他疾病时更易发生,常是老年病人主要的死亡原因。为探讨老年人 Many elderly people cause lung infections, bacteria are more common microorganisms, especially some resistant bacteria more easily lead to serious pulmonary infection. Currently, a wide range of clinical various types of antibiotics, various bacterial resistance levels are different, therefore, pulmonary infection is a common disease in the elderly, especially in poor health and other diseases are more likely to occur, often elderly patients The main cause of death. To explore the elderly