Community-acquired pneumonia
From IDWiki
Microbiology
- Bacteria
- Typical organisms
- Streptococcus pneumoniae
- Haemophilus influenzae
- Staphylococcus aureus
- Group A streptococci
- Moraxella catarrhalis
- Anaerobes and aerobic gram-negative bacteria
- Atypical organisms
- Others
- Typical organisms
- Viral
- Influenza virus
- Parainfluenza virus
- 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
References
- ^ Joshua P. Metlay, Grant W. Waterer, Ann C. Long, Antonio Anzueto, Jan Brozek, Kristina Crothers, Laura A. Cooley, Nathan C. Dean, Michael J. Fine, Scott A. Flanders, Marie R. Griffin, Mark L. Metersky, Daniel M. Musher, Marcos I. Restrepo, Cynthia G. Whitney. 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. American Journal of Respiratory and Critical Care Medicine. 2019;200(7):e45-e67. doi:10.1164/rccm.201908-1581st.
