Community-acquired pneumonia

From IDWiki
Revision as of 09:42, 16 August 2019 by Aidan (talk | contribs) (Aidan moved page Respiratory to Community-acquired pneumonia without leaving a redirect)

Community-acquired pneumonia (CAP)

Microbiology

  • Bacteria
    • Typical organisms
      • Streptococcus pneumoniae
      • Haemophilus influenzae
      • Staphylococcus aureus
      • Group A streptococci
      • Moraxella catarrhalis
      • Anaerobes and aerobic gram-negative bacteria
        • Klebsiella pneumonia
        • Pseudomonas aeruginosa
        • Acinetobacter baumannii
    • Atypical organisms
      • Legionella spp.
      • Mycoplasma pneumoniae
      • Chlamydia pneumoniae
      • Chlamydia psittaci
    • Others
      • Coxiella burnetti
  • Viral
    • Influenza
    • Parainfluenza
    • RSV
    • Adenovirus
    • Human metapneumovirus
    • Middle East respiratory syndrome virus (MERS-CoV)
    • Rhinovirus
  • Fungi
    • Cryptococcus spp.
    • Histoplasma capsulatum
    • Coccidioides
  • Clinically-important but uncommon organisms
    • Legionella species
    • Influenza A and B, including avian influenza A H5N1 and avian influenza A H7N9
    • MERS-CoV and severe acute respiratory syndrome coronavirus (SARS-CoV)
    • Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA)

Clinical Presentation

  • If effusion, consider Legionella

Investigations

  • Always add Legionella testing in immunocompromised, critical illness, recent travel, significant alcohol, and consider when pleural effusion is present

Management

Prognosis

Further Reading