Bacterial pneumonia causes: Difference between revisions
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!Typical Pneumonia<ref name="pmid30020693">{{cite journal| author=| title=StatPearls | journal= | year= 2021 | volume= | issue= | pages= | pmid=30020693 | doi= | pmc= | url= }} </ref> | !Typical Pneumonia <ref name="pmid30020693">{{cite journal| author=| title=StatPearls | journal= | year= 2021 | volume= | issue= | pages= | pmid=30020693 | doi= | pmc= | url= }} </ref> | ||
!Atypical Pneumonia<ref name="pmid30020693">{{cite journal| author=| title=StatPearls | journal= | year= 2021 | volume= | issue= | pages= | pmid=30020693 | doi= | pmc= | url= }} </ref> | !Atypical Pneumonia <ref name="pmid30020693">{{cite journal| author=| title=StatPearls | journal= | year= 2021 | volume= | issue= | pages= | pmid=30020693 | doi= | pmc= | url= }} </ref> | ||
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|''[[Streptococcus pneumoniae]]'' | |''[[Streptococcus pneumoniae]]'' | ||
Revision as of 07:36, 3 January 2022
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Bacterial pneumonia Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Bacterial pneumonia causes On the Web |
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American Roentgen Ray Society Images of Bacterial pneumonia causes |
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Risk calculators and risk factors for Bacterial pneumonia causes |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Arooj Naz
Overview
Bacterial pneumonia may be due to a variety of underlying causes. The microorganisms responsible are divided into Typical and Atypical. Typical bacteria often result in a classic pneumonia whereas atypical bacteria lead to a much milder presentation often referred to as "walking pneumonia". These patients appear near normal but have extensive findings on chest x-ray.
Causes
Microorganisms
| Typical Pneumonia [1] | Atypical Pneumonia [1] |
|---|---|
| Streptococcus pneumoniae | Legionella |
| Staphylococcus aureus | Mycoplasma pneumoniae |
| Haemophilus influenzae | Chlamydia pneumoniae |
| Group A streptococci | Chlamydia psittaci |
| Moraxella catarrhalis | Chlamydia Trachomatis |
| Anaerobes and aerobic gram-negative bacteria |
Causes of Nosocomial and Ventilator Associated Pneumonia
- Staphylococcus aureus (MRSA)
- Streptococcus species
- Pseudomonas aeruginosa
- Escherichia coli
- Klebsiella pneumoniae
- Enterobacter species
- Acinetobacter species
Demographics
| Age Group | Most common organism |
|---|---|
| Neonates (<4 weeks old) | Group B streptococci, Escherichia coli [3] |
| Children (4 weeks - 18 years) | Mycoplasma pneumoniae, Chlamydia Trachomatis, Chlamydia pneumoniae, Streptococcus pneumoniae |
| Adults (18 - 40 years) | |
| Adults (40 - 65 years) | |
| Elderly (>65 years) |