Rheumatic fever laboratory tests
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Varun Kumar, M.B.B.S.
Inflammatory Markers
The following inflammatory markers are often elevated:
- CBC: Leukocytosis
- C-reactive protein
- Erythrocyte sedimentation rate (ESR)
Diagnosis of Streptococcus Pharyngitis
- Throat culture for group A beta hemolytic streptococci may be performed. However many patients may have negative culture by the time rheumatic fever develops[1].
- Rapid streptococcal antigen test
- Elevated or rising antistreptolysin O antibody titer
References
- ↑ "Guidelines for the diagnosis of rheumatic fever. Jones Criteria, 1992 update. Special Writing Group of the Committee on Rheumatic Fever, Endocarditis, and Kawasaki Disease of the Council on Cardiovascular Disease in the Young of the American Heart Association". JAMA. 268 (15): 2069–73. 1992. PMID 1404745.