Diagnosaurus
Community-acquired pneumonia
Community-acquired pneumonia is a topic covered in the Diagnosaurus.
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Etiology
Bacterial
- Streptococcus pneumoniae (most common)
- Haemophilus influenzae
- Mycoplasma pneumoniae (young adults, summer & fall)
- Chlamydia pneumoniae (young adults)
- Staphylococcus aureus (influenza epidemics, IV drug use, bronchiectasis)
- Neisseria meningitides
- Moraxella catarrhalis (lung disease, elderly)
- Klebsiella pneumoniae (alcohol, diabetes)
- Legionella spp. (contaminated construction site, water source, or air conditioner)
Viral
- Influenza virus
- Respiratory syncytial virus
- Adenovirus
- Parainfluenza virus
Special risk factors
- Chlamydia psittaci (psittacosis): birds
- Coxiella burnetii (Q fever): cattle, sheep, goats; especially newborns or products of conception
- Francisella tularensis (tularemia): tick or skinning rabbit
- Endemic fungi (Blastomyces: Ohio & Mississippi River valleys; Coccidioides: Southwest United States or Latin America; Histoplasma: Ohio & Mississippi River valleys)
- Sin nombre virus (hantavirus pulmonary syndrome): rodent waste, Southwest United States
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Etiology
Bacterial
- Streptococcus pneumoniae (most common)
- Haemophilus influenzae
- Mycoplasma pneumoniae (young adults, summer & fall)
- Chlamydia pneumoniae (young adults)
- Staphylococcus aureus (influenza epidemics, IV drug use, bronchiectasis)
- Neisseria meningitides
- Moraxella catarrhalis (lung disease, elderly)
- Klebsiella pneumoniae (alcohol, diabetes)
- Legionella spp. (contaminated construction site, water source, or air conditioner)
Viral
- Influenza virus
- Respiratory syncytial virus
- Adenovirus
- Parainfluenza virus
Special risk factors
- Chlamydia psittaci (psittacosis): birds
- Coxiella burnetii (Q fever): cattle, sheep, goats; especially newborns or products of conception
- Francisella tularensis (tularemia): tick or skinning rabbit
- Endemic fungi (Blastomyces: Ohio & Mississippi River valleys; Coccidioides: Southwest United States or Latin America; Histoplasma: Ohio & Mississippi River valleys)
- Sin nombre virus (hantavirus pulmonary syndrome): rodent waste, Southwest United States
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Citation
Zeiger, Roni F.. "Community-acquired Pneumonia." Diagnosaurus, 4th ed., McGraw-Hill Education, 2015. Medicine Central, im.unboundmedicine.com/medicine/view/Diagnosaurus/114742/all/Community_acquired_pneumonia.
Zeiger RFR. Community-acquired pneumonia. Diagnosaurus. McGraw-Hill Education; 2015. https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114742/all/Community_acquired_pneumonia. Accessed March 30, 2023.
Zeiger, R. F. (2015). Community-acquired pneumonia. In Diagnosaurus (4th ed.). McGraw-Hill Education. https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114742/all/Community_acquired_pneumonia
Zeiger RFR. Community-acquired Pneumonia [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2015. [cited 2023 March 30]. Available from: https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114742/all/Community_acquired_pneumonia.
* Article titles in AMA citation format should be in sentence-case
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PB - McGraw-Hill Education
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