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Dr. Andrew Rynne

Family Physician

Exp 50 years

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How can a blood test report showing S.Typhi and IgM along with a widal test be interpreted?

my blood report shows the following : S.Typhi, IgM is a rapid test for detection of IgM antibodies to Salmonella typhi. Accurate diagnosis of Typhoid fever at an early stage is not only important for etiological diagnosis, but also to identify and treat potential carriers and prevent acute typhoid fever outbreaks. The conventional Widal test detects antibodies to S .typhi in patient serum from the second week of onset of symptoms whereas early rising antibodies predominantly IgM in nature detected by Typhi dot serve as a marker for recent infection. do this means i have typhoid??
Tue, 12 Feb 2019
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General & Family Physician 's  Response
Hi welcome to the health care magic

In first week of typhoid infection, widal test is not conclusive

After one week only widal can be positive if infection occured

In first week for typhoid diagnosis you can investigate with blood or stool culture...

After first week for typhoid investigate with widal and Ig M Elisa testing

Hope your concern solved

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