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第三章 呼吸系统急症
12.肺 炎
概 述
病毒、细菌等病原体感染或物理、化学刺激引起的支气管黏膜或肺实质的急性炎症称为急性支气管炎或肺炎。以下是肺炎诊治的临床路径。
表12.1 怀疑社区获得性肺炎(CAP)的重点评估
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.1_9808.jpg?sign=1739291481-YodZb0B0TL3fUN6zyvu9WLURJUQ0pNca-0-7afa393f30b825f12540da4c3cfb321c)
注:肺炎通常表现为急性呼吸系统症状,但对难以解释的脓毒症或意识混乱状态的患者也应该考虑。胸部查体可能是正常的,如果怀疑肺炎,拍摄胸片是必要的
表12.2 怀疑社区获得性肺炎的紧急检查
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.2_59643.jpg?sign=1739291481-6Obrq3GqR1IIR8XrveD0HVmP3feh1vsz-0-52c4b55528298cdd057140fc9b890020)
表12.3 胸片特征
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.3_59968.jpg?sign=1739291481-nkWryyoCUTNDDWQH9g5vECO9hgPnQ0eq-0-581d12c49c1e14dc789168633bf2c0fb)
表12.4 鉴别诊断
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.4_59645.jpg?sign=1739291481-t19B8IMt8hoKII13w46Gos4x6PTIhUhz-0-777296c2489ca77e024177dcf9517e99)
续表
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.4_1_59646.jpg?sign=1739291481-fsok0xnxbGesqjencsGnXSX8esRkgekw-0-84c11b8f0600390143f8c20f9f623bcb)
表12.5 社区获得性肺炎初始抗生素治疗(病原菌见表12.12)
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.5_59969.jpg?sign=1739291481-raVvnNKO1zjXIT7oxlGagLeW4NQL6CHV-0-f318e34eb525f24d841d6e31cbbf3719)
表12.6 肺炎的支持性治疗
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.6_59970.jpg?sign=1739291481-ZlmRkJElGSSwsYyaxxrMCKq9HMudZbyq-0-ec62141a54f9000c432c4f6fa19f5b33)
表12.7 肺炎所致呼吸衰竭的机械通气支持
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.7_59971.jpg?sign=1739291481-pJMxJQppnMgI1S1HUmsqkqLxqOqMfJgh-0-d29db9e28ef418580e845015b3e262a4)
表12.8 抗生素应用48小时后症状未改善的原因
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.8_10081.jpg?sign=1739291481-Di9gV33E6WGNOslyUFvEUJSeG6M9ojhA-0-bdfc570e0ef5138f9d9ac58a27a14299)
表12.9 肺炎患者出院前检查
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.9_10088.jpg?sign=1739291481-Zfwi4kEwMgD71f4ELGWqZS3TcmbBLI65-0-4c2ceb5641dc357d46d2a66cc8be43a4)
表12.10 医院获得性肺炎的初始抗生素治疗(病原菌见表12.12)
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.10_59972.jpg?sign=1739291481-YTGWAypsHqb89xLp3qBI4tSESd4T5NXr-0-c40ff34b65fedb6a2147b744adbc514e)
注:医院获得性肺炎存在过度诊断、治疗的问题。建议依据细菌培养和药敏选用抗生素
表12.11 吸入性肺炎
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.11_59973.jpg?sign=1739291481-gmI05STWGFJZZBowb0H0MG7zqhKNmEBS-0-995142582d582d2b3a6e651d6b59b796)
表12.12 肺炎的病原菌感染
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.12_10217.jpg?sign=1739291481-k3aHRbUMY5QODpvhtsBex0KrG2jgLz6G-0-32b17d76f13a49d924b8d0c4886725a1)
续表
![](https://epubservercos.yuewen.com/1C1403/19400084308706906/epubprivate/OEBPS/Images/T12.12_1_10264.jpg?sign=1739291481-5vkOBM7r8dHnq5lCPnhVwOEzZAcCQftc-0-90756904028b962c4b4427bb51cc4d79)