Community-acquired pneumonia: Difference between revisions
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* Bacteria |
* Bacteria |
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** Typical organisms |
** Typical organisms |
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*** ''Streptococcus pneumoniae'' |
*** ''[[Streptococcus pneumoniae]]'' |
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*** ''Haemophilus influenzae'' |
*** ''[[Haemophilus influenzae]]'' |
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*** ''Staphylococcus aureus'' |
*** ''[[Staphylococcus aureus]]'' |
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*** Group A streptococci |
*** Group A streptococci |
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*** ''Moraxella catarrhalis'' |
*** ''[[Moraxella catarrhalis]]'' |
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*** Anaerobes and aerobic gram-negative bacteria |
*** Anaerobes and aerobic gram-negative bacteria |
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**** ''Klebsiella pneumonia'' |
**** ''[[Klebsiella pneumonia]]'' |
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**** ''Pseudomonas aeruginosa'' |
**** ''[[Pseudomonas aeruginosa]]'' |
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**** ''Acinetobacter baumannii'' |
**** ''[[Acinetobacter baumannii]]'' |
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** Atypical organisms |
** Atypical organisms |
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*** ''Legionella'' spp. |
*** ''[[Legionella]]'' spp. |
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*** ''Mycoplasma pneumoniae'' |
*** ''[[Mycoplasma pneumoniae]]'' |
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*** ''Chlamydia pneumoniae'' |
*** ''[[Chlamydia pneumoniae]]'' |
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*** ''Chlamydia psittaci'' |
*** ''[[Chlamydia psittaci]]'' |
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** Others |
** Others |
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*** ''Coxiella burnetti'' |
*** ''[[Coxiella burnetti]]'' |
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* Viral |
* Viral |
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** Influenza |
** [[Influenza virus]] |
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** Parainfluenza |
** [[Parainfluenza virus]] |
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** RSV |
** [[RSV]] |
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** Adenovirus |
** [[Adenovirus]] |
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** Human metapneumovirus |
** Human metapneumovirus |
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** Middle East respiratory syndrome virus (MERS-CoV) |
** Middle East respiratory syndrome virus (MERS-CoV) |
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Revision as of 23:58, 2 October 2019
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
