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Last reviewed: 13 Feb 2025
Last updated: 05 Mar 2020

Summary

Definition

History and exam

Key diagnostic factors

  • 危险因素表现
  • 咳嗽伴痰增多
  • 发热或寒战
  • 呼吸困难
  • 胸膜痛
  • 听诊异常

Other diagnostic factors

  • 叩诊浊音
  • 肌痛
  • 关节痛
  • 意识模糊

Risk factors

  • 年龄>65 岁
  • 居住在医疗照护机构
  • 慢性阻塞性肺疾病 (COPD)
  • 暴露于香烟烟雾
  • 酗酒
  • 口腔卫生不佳
  • 使用胃酸抑制类药物、吸入用皮质类固醇、抗精神病药物、降糖药物
  • 与儿童接触
  • HIV 感染
  • 糖尿病
  • 慢性肾病
  • 慢性肝病
  • 阿片类药物的应用

Diagnostic investigations

1st investigations to order

  • 胸部 X 线检查
  • 全血细胞计数(FBC)
  • 血清电解质、尿素
  • 肝功能检测
  • 血糖
  • 动脉血气/血氧测定法
  • 血培养
  • 痰培养

Investigations to consider

  • 肺部超声
  • 胸部 CT
  • 针对军团菌和肺炎球菌的尿抗原检测
  • 血清 C 反应蛋白
  • 血清原降钙素
  • 胸腔穿刺术和胸水培养
  • 支气管镜检查
  • 呼吸道病毒检测
  • 分子微生物技术

Treatment algorithm

Contributors

Authors

Catia Cilloniz, MSc, PhD

Post-doctoral Research

Pneumology Department

Hospital Clinic of Barcelona

CIBERES

IDIBAPS

Barcelona

Spain

Disclosures

CC is an author of a number of references cited in this topic.

Antoni Torres, MD, PhD

Professor of Medicine

Director

Pulmonary Intensive Care Unit

Respiratory Institute

Hospital Clinic of Barcelona

Barcelona

Spain

Disclosures

AT is an author of a number of references cited in this topic.

Acknowledgements

Dr Catia Cilloniz and Professor Antoni Torres would like to gratefully acknowledge Dr M. Nawal Lutfiyya, Dr Linda Chang, and Dr Robert Bales, previous contributors to this topic.

Disclosures

MNL is an author of a reference cited in this topic. LC and RB declare that they have no competing interests.

Peer reviewers

Barbara Jones, MD, MSc

Assistant Professor

Division of Pulmonary and Critical Care Medicine

University of Utah

Salt Lake City

UT

Disclosures

BJ declares that she has no competing interests.

Denise Nassisi, MD

Associate Professor

Departments of Emergency Medicine and Medicine

Icahn School of Medicine at Mount Sinai

New York

NY

Disclosures

DN declares that she has no competing interests.

Grant Waterer, MBBS, PhD, MBA, FRACP, FCCP

Professor of Medicine

Royal Perth Hospital

Perth

Australia

Disclosures

GW declares that he has no competing interests.

Jeremy Brown, MBBS, FRCP, PhD

Professor of Respiratory Infection/Honorary Consultant

University College London

London

UK

Disclosures

JB was a member of the NICE pneumonia guidelines committee.

Nathan Dean, MD

Professor (clinical) of Medicine

Section Chief Pulmonary Critical Care Medicine

University of Utah

Intermountain Medical Center

Murray

UT

Disclosures

ND declares that he has no competing interests.

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