WIDAL TEST SALMONELLA TYPHOID TEST
MDMLAB
Test Name: WIDAL
Sample Type: Serum
Price: 240/-
Report Delivery: Same Working Day
For More Detail Cont : 950224 6660
“O” Typhi NORMAL: 1:20 OR 1:40 (Agglutination)
“O” Typhi BORDER LINE: 1:80 (Agglutination)
“O” Typhi POSITIVE : 1:160 (Agglutination)
“H” Typhi POSITIVE : 1:160 (Agglutination)
"H" titre is ------ 1:160 indicate past infection or in immunized person.
Salmonella typhi is the bacterium that causes typhoid fever. The Widal test is a blood test used to detect the presence of antibodies against S. typhi. However, it is not a very reliable test and other tests such as blood culture, stool culture, and PCR are more commonly used for the diagnosis of typhoid fever. Additionally, the Widal test can also produce false positive results in individuals who have been previously exposed to S. typhi or have other infections. It is no longer recommended as a diagnostic test for typhoid fever.
Typhoid fever is caused by the bacterium Salmonella typhi, which is usually spread through contaminated food or water. It can also be spread through close contact with an infected person.
Symptoms of typhoid fever include high fever, headache, nausea, vomiting, loss of appetite, and muscle aches. As the illness progresses, patients may develop a rash and abdominal pain. In some cases, patients may also develop complications such as intestinal bleeding or perforation.
Treatment for typhoid fever typically includes antibiotics, (CONSULT TO A DOCTOR). It is important that the antibiotic treatment is completed for the full course of treatment to prevent the bacteria from becoming resistant to the medication. In addition to antibiotics, supportive care such as hydration and pain relief may also be necessary.
Prevention of typhoid fever can be achieved by practicing good hygiene and sanitation, such as washing hands regularly and avoiding contaminated food and water. Vaccines are also available to protect against typhoid fever.
It is important to seek medical attention if you suspect you have contracted typhoid fever as untreated it can lead to serious complications and even death.
Measures to control Salmonella infection include:
Food safety: Proper handling, preparation, and storage of food can prevent the spread of Salmonella. This includes cooking meat and eggs thoroughly, washing fruits and vegetables before eating, and avoiding cross-contamination between raw and cooked foods.
Personal hygiene: Washing hands regularly, especially before handling food, can prevent the spread of Salmonella.
Sanitation: Proper sanitation of kitchen surfaces, utensils, and equipment can prevent the spread of Salmonella.
Animal management: Proper care and management of animals can prevent the spread of Salmonella. This includes providing clean water and feed, maintaining good hygiene practices, and preventing overcrowding.
Disease control in animals: Vaccination and treatment of infected animals can help to control the spread of Salmonella.
Surveillance and traceability: Regular monitoring and traceability of animals and food products can help to identify and control outbreaks of Salmonella.
Education: Education and awareness campaigns can help to educate the public about the risks of Salmonella and how to prevent infection.
Research: Research on new methods to detect and control Salmonella can help to improve our understanding of the bacteria and develop new ways to combat it.
It is important to note that Salmonella can be present in many different types of food products, so it's important to follow good hygiene practices and cook food properly. Also, it's important to be aware of the symptoms of Salmonella infection and to seek medical attention if you suspect you have been infected.
What are the Widal test positive values
The Widal test is a blood test that measures the presence of antibodies against the bacteria Salmonella typhi, which causes typhoid fever. The test is used to detect the presence of antibodies in the blood, specifically the O (typhi) and H (typhi) antigens of S. typhi. The test results are typically reported in titers, which is a measure of the concentration of the antibodies in the blood.
POSITIVE RESULTS: 1:160 AGGLUTINATION (strongly suggestive of typhoid fever)
Positive Widal test results typically indicate the presence of antibodies against S. typhi. However, the test is not very specific and can produce false positive results in individuals who have been previously exposed to S. typhi or have other infections. Therefore, a positive Widal test result should be confirmed with other tests such as blood culture, stool culture, or PCR.
The positivity of Widal test is usually considered by comparing the titers of the antigen with the cut off value. If the titer is above (1:160 agglutination) the cut off value it is considered positive. The cut off value may vary depending on the laboratory and the reagents used.
It is important to note that a positive Widal test result does not necessarily indicate an active infection, as the antibodies can remain present in the blood for months after the infection has been treated.
“O” Typhi NORMAL: 1:20 OR 1:40 (Agglutination)
“O” Typhi BORDER LINE: 1:80 (Agglutination)
“O” Typhi POSITIVE : 1:160 (Agglutination)
“H” Typhi POSITIVE : 1:160 (Agglutination)
"H" titre is ------ 1:160 indicate past infection or in immunized person.
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MDMLAB, Team
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