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What is widal test and it function?
The Widal test is a serological test used to diagnose typhoid fever by detecting antibodies against Salmonella antigens, specifically O and H antigens, in a patient's serum. It helps identify the presence of typhoid fever caused by Salmonella enterica serotype Typhi and Paratyphi. The test is often used in regions where typhoid fever is endemic, but its reliability can be affected by previous infections and vaccinations, leading to false positives or negatives. Therefore, it is typically used in conjunction with clinical symptoms and other diagnostic methods.
Your vidal test results in TO 40 TH 80 AO 40 AH 320 what it means?
The Vidal test is used to detect typhoid fever by identifying specific antibodies in the blood. In your results, TO (Typhoid O) is 40, TH (Typhoid H) is 80, AO (Paratyphoid A O) is 40, and AH (Paratyphoid A H) is 320. The elevated TH and AH values suggest a likely active infection, particularly with Salmonella paratyphi A or typhoid fever, while the lower TO and AO levels indicate a lesser or resolved response. It's important to consult a healthcare professional for proper interpretation and guidance based on these results.
If the paired difference's are normal in a test of mean difference's then the distribution used for testing is the?
If the paired differences are normal in a test of mean differences, then the distribution used for testing is the
What is a good statistical indicator to avoid distortion of extreme values is the?
the q test go to http://en.wikipedia.org/wiki/Q-test
What is the difference between t test and z test?
Whereas a t-test is used for n30, where n=sample size. n < 30 or n > 30 is not entirely arbitrary; it is intended to indicate that n must be sufficiently large to use the normal distribution. In some cases, n must be greater than 50. Note, both the t-test and the z-test can only be used if the distribution from which the sample is being drawn is a normal distribution. A z-test can be used even if the distribution is not normal (but is not severely skewed) if n>30, in which case, we can safely assume that the distribution is normal.
Name of the blood test for typhoid?
The blood test for typhoid is called the Widal test. It detects antibodies in the blood against the Salmonella typhi bacteria, which causes typhoid fever.
What are the diagnosis for typhoid fever?
widal test
Will Widal Test after positive resul after treatment in Typhoid?
I mean widal test result positive after treatment
How do you read widal test?
Isolated Widal test reading does not have much clinical significance. Rising titre of Widal test done one week apart, in a febrile patient, indicates typhoid fever. You can have such rising titre of Widal test in healthy patient, after dose of typhoid vaccine.
How you can confirm that typhoid is eradicated with treatment?
widal test.
Why widal test appears negative in first week of typhoid fever?
In Widal test, you measure the antibodies. It takes minimum one week to develop the antibodies of typhoid bacteria.
From which disease is Vidal test related?
Vidal (originally- Widal) test related to Typhoid...To diagnose typhoid this test is being done by pathologists..
What is the AH and BH in the widal test for typhoid?
When using the Widal test for typhoid, the AH and BH should be titers of greater or equal than 1:40 and 1:160 respectively for diagnostic purposes.
How do you read Widal test results for typhoid fever show me normal value s typhi s paratyphi?
mywadil test is 1/160 of Para - typhi AH
Can we consider typhoid when widal is positive?
A positive Widal test can suggest typhoid fever, as it detects antibodies against specific Salmonella antigens. However, it is important to note that the Widal test can yield false positives due to prior infections or vaccinations, and its sensitivity and specificity can vary. Therefore, a positive Widal test should not be solely used for diagnosis; it should be corroborated with clinical symptoms and other diagnostic methods for accurate confirmation of typhoid fever.
How would you distinguish between an incubatory carrier and a chronic carrier of typhoid fever?
Widal test is negative in incubatory carrier. Widal test is always positive in chronic carrier.
How do you interpret the widal test report which says styphi o and h positive 180?
As this test is positive, it clearly means that you have typhoid.
