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Atypical pneumonia

Última revisão: 22 Sep 2025
Última atualização: 10 Sep 2024

Resumo

Definição

História e exame físico

Principais fatores diagnósticos

  • age <50 years
  • persistent cough
  • dry cough
  • long duration of symptoms
Detalhes completos

Outros fatores diagnósticos

  • recent community exposure
  • throat involvement
  • fever
  • headache
  • diarrhea
  • bullous myringitis
  • lung rales/crepitations
  • rash
Detalhes completos

Fatores de risco

  • close community settings
  • immunosuppression
  • cigarette smoking
  • chronic lung disease
  • travel
  • male sex
  • immunomodulating drugs
Detalhes completos

Investigações diagnósticas

Primeiras investigações a serem solicitadas

  • oxygen saturation in air
  • WBC count
  • hemoglobin
  • Liver function tests (LFTs)
  • BUN level
  • real-time reverse transcription polymerase chain reaction (RT-PCR) for SARS-CoV-2
  • chest x-ray
Detalhes completos

Investigações a serem consideradas

  • urinary Legionella antigen
  • sputum culture
  • molecular diagnosis of Mycoplasma pneumoniae or Chlamydophila pneumoniae
  • nasopharyngeal PCR
Detalhes completos

Algoritmo de tratamento

AGUDA

presumed atypical bacterial pneumonia: nonpregnant adult

presumed atypical bacterial pneumonia: pregnant or child

Colaboradores

Autores

Lorenzo Di Francesco, MD, SFHM, FACP

Professor of Medicine

Department of Medicine

Division of General Internal Medicine

Emory University School of Medicine

GA

Declarações

LDF is a Gen Medicine/Point of Care Editorial Board Member for ClinicalKey.

Revisores

Mark Woodhead, BSc, DM, FRCP

Honorary Senior Lecturer (University of Manchester)

Consultant in General & Respiratory Medicine

Department of Respiratory Medicine

Manchester Royal Infirmary

Manchester

UK

Declarações

MW is an author of a reference cited in this topic.

Ethan Rubinstein, MD

H.E. Sellers Research Chair in Infectious Diseases

Head

Section of Adult Infectious Diseases

Department of Internal Medicine

Department of Medical Microbiology

University of Manitoba

Winnipeg

Canada

Declarações

At the time of the peer review, Professor Rubinstein declared no competing interests. We were made aware that Professor Rubinstein is now deceased.

George L. Anesi, MD, MSCE, MBE

​Assistant Professor

Medicine, Division of Pulmonary, Allergy, and Critical Care

Perelman School of Medicine

University of Pennsylvania

PA

Declarações

GLA receives research funding from the National Institutes of Health (K23HL161353), the CDC Foundation, the Society of Critical Care Medicine (SCCM), and the University of Pennsylvania Perelman School of Medicine Thomas B. McCabe and Jeannette E. Laws McCabe Fund. GLA reports payments for authoring chapters for UpToDate and for expert witness consulting, including involving COVID-19, and reports that his spouse is employed by the U.S. Food and Drug Administration (FDA).

Créditos aos pareceristas

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Referências

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Principais artigos

Metlay JP, Waterer GW, Long AC, et al. Diagnosis and treatment of adults with community-acquired pneumonia: an official clinical practice guideline of the American Thoracic Society and Infectious Diseases Society of America. Am J Respir Crit Care Med. 2019 Oct 1;200(7):e45-67.Texto completo  Resumo

Lim WS, Baudouin SV, George RC, et al; Pneumonia Guidelines Committee of the BTS Standards of Care Committee. BTS guidelines for the management of community acquired pneumonia in adults: update 2009. Thorax. 2009 Oct;64 Suppl 3:iii1-55.Texto completo  Resumo

Artigos de referência

Uma lista completa das fontes referenciadas neste tópico está disponível para os usuários com acesso total ao BMJ Best Practice.
  • Diagnósticos diferenciais

    • Coronavirus disease 2019 (COVID-19)
    • Typical bacterial pneumonia
    • Viral pneumonia
    Mais Diagnósticos diferenciais
  • Diretrizes

    • Diagnosis and treatment of adults with community-acquired pneumonia
    • Guidelines for the management of community acquired pneumonia in adults
    Mais Diretrizes
  • Folhetos informativos para os pacientes

    Pneumonia

    Mais Folhetos informativos para os pacientes
  • Calculadoras

    Community-acquired pneumonia severity index (PSI) for adults

    CURB-65 pneumonia severity score

    Mais Calculadoras
  • Videos

    Tracheal intubation: animated demonstration

    Bag-valve-mask ventilation: animated demonstration

    Mais vídeos
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