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A member asked:
How long after suspected strep can someone order aso antibody test to confirm? also is crp and esr sensitive for rheumatic fever ?
A doctor has provided 1 answer
Unfortunately, a random ASO titer in an adult could be elevated to levels we would consider worrisome in a kid. Past infections limit the usefulness of this one test in labeling something Rheumatic Fever. The ESR & CRP are nonspecific markers of inflammation and would not help with diagnosis. An internist using the current Jones criteria could consider a SF label.
Answered 12/8/2022
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