Legionnaire's Disease Evaluation
A medical evaluation of Legionnaire's disease will begin with a history and physical examination.
A history of personal contacts with the same symptoms, diarrhea and exposure to a suspicious water source are important clues to this disease.
Physical findings in someone with Legionnaire's disease may include:
- Abnormal lung sounds:
- During examination with a stethoscope
- Increased breathing rate
- High fever
Tests are necessary to make the diagnosis of Legionnaire's disease.
Tests that may be used to evaluate Legionnaire's disease include:
- Chest x-ray:
- Will usually show pneumonia and possibly fluid in the lungs
- Normal chest x-rays
- Fluid in the lung cavity
- Complete blood count
- Blood serologic tests for Legionella
- Sputum gram stain and sputum culture
- To obtain a culture specimen.
Additional tests that may be used to evaluate Legionnaire's disease include:
Continue to Legionnaire's Disease Treatment
- Campins M, Ferrer A, Callis L, Pelaz C, Cortes PJ, Pinart N, Vaque J. Nosocomial Legionnaire's disease in a children's hospital. Pediatr Infect Dis J. 2000 Mar;19(3):228-34. 
- Lane G, Ferrari A, Dreher HM. Legionnaire's disease: a current update. Medsurg Nurs. 2004 Dec;13(6):409-14. 
- Tercelj-Zorman M, Seljak M, Stare J, Mencinger J, Rakovec J, Rylander R, Strle F. A hospital outbreak of Legionella from a contaminated water supply. Arch Environ Health. 2004 Mar;59(3):156-9. 
- Waterer GW, Baselski VS, Wunderink RG. Legionella and community-acquired pneumonia: a review of current diagnostic tests from a clinician's viewpoint. Am J Med. 2001 Jan;110(1):41-8.