Rapid plasma reagin: Difference between revisions
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== Background == |
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*Non-treponemal diagnostic test for syphilis |
*Non-treponemal diagnostic test for [[syphilis]] |
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*Used to trend titres in response to treatment |
*Used to trend titres in response to treatment |
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==Interpretation== |
==Interpretation== |
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*Reported as |
*Reported as the greatest dilution that is still positive |
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===False positive=== |
===False positive=== |
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**Bacterial [[endocarditis]], including [[rheumatic heart disease]] |
**Bacterial [[endocarditis]], including [[rheumatic heart disease]] |
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**[[Chancroid]] |
**[[Chancroid]] |
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**[[Varicella |
**[[Varicella-zoster virus]] |
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**[[Epstein-Barr virus]] |
**[[Epstein-Barr virus]] |
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**[[Leprosy]] |
**[[Leprosy]] |
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Latest revision as of 14:49, 10 October 2025
Background
- Non-treponemal diagnostic test for syphilis
- Used to trend titres in response to treatment
Interpretation
- Reported as the greatest dilution that is still positive
False positive
- Infectious
- Bacterial endocarditis, including rheumatic heart disease
- Chancroid
- Varicella-zoster virus
- Epstein-Barr virus
- Leprosy
- Lymphogranuloma venereum
- Malaria
- Mumps
- Mycoplasma pneumoniae
- Streptococcus pneumoniae
- Rickettsioses
- Tuberculosis
- Viral hepatitis
- Viral pneumonia
- Other treponemal infections such as yaws, pinta, or bejel
- Non-infectious
- Older age
- Chronic liver disease
- Connective tissue diseases such as rheumatoid arthritis
- Injection drug use
- Malignancy
- Multiple myeloma
- Pregnancy
- Ulcerative colitis
