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A member asked:
Tb blood tested negative but tb skin testd positive, what is that mean? continuous low grade fever, swollenlumpnodes, sore thrt, hiv pcr rna negative.
2 doctors weighed in across 2 answers
Ppd: a positive PPD only means you were exposed to TB at some point in the past. you should have a chest x Ray.
Answered 6/10/2014
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Contradictory Tb tst: Quantiferon-TB(the blood test) and the PPD(skin test) are not recommended together. The quantiferon test has more sensitivity/specificity(measures for how good medical tests are) but the gold standard is culturing the bacteria from either tissue or sputum which should be attempted if their is clinical suspicion for TB infection.
Answered 1/5/2019
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Related Questions
A member asked:
Vaginal and oral sex with csw, condom used for both but we kissed hiv 4th gen /other std -ve at 28 days hiv 4th gen/rna pcr for hiv1&2 -ve at 47 days do i need more hiv test to be conclusive? i have symptoms dry throat & irritaion/skin peel in penis?
2 doctors weighed in across 2 answers
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