Legionellosis laboratory findings: Difference between revisions
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* [[Complete blood count]] and differential count - [[lymphocytopenia]] and rarely [[pancytopenia]] | * [[Complete blood count]] and differential count - [[lymphocytopenia]] and rarely [[pancytopenia]] | ||
* [[Sputum]] Gram staining - gram negative rods | * [[Sputum]] Gram staining - gram negative rods | ||
* [[Urine]] [[antigen]] test - the urine antigen test is simple, quick, and very reliable; however it will only detect ''Legionella pneumophila'' serogroup #1. Also the urine antigen test will not identify the specific subtyping so it cannot be used to match the patient with the environmental source of infection. | * [[Urine]] [[antigen]] test - the urine antigen test is simple, quick, and very reliable; however it will only detect ''[[Legionella pneumophila]]'' serogroup #1. Also the urine antigen test will not identify the specific subtyping so it cannot be used to match the patient with the environmental source of infection. | ||
* [[Antibody]] test - compare [[antibody]] levels to ''Legionella'' in two blood samples obtained 3 to 6 weeks apart | * [[Antibody]] test - compare [[antibody]] levels to ''Legionella'' in two blood samples obtained 3 to 6 weeks apart | ||
Revision as of 14:24, 11 August 2012
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Legionellosis Microchapters |
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Legionellosis laboratory findings On the Web |
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Risk calculators and risk factors for Legionellosis laboratory findings |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Laboratory Findings
- Complete blood count and differential count - lymphocytopenia and rarely pancytopenia
- Sputum Gram staining - gram negative rods
- Urine antigen test - the urine antigen test is simple, quick, and very reliable; however it will only detect Legionella pneumophila serogroup #1. Also the urine antigen test will not identify the specific subtyping so it cannot be used to match the patient with the environmental source of infection.
- Antibody test - compare antibody levels to Legionella in two blood samples obtained 3 to 6 weeks apart