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Febrile Antigens
Comprehensive Febrile Detection: Insights from Triple Antigen Testing for Infections
৳1020
৳1200
15% OFF
Sample Type
blood
Fasting Required
No
Description
Triple antigen tests are used in the detection of antibodies produced in certain febrile diseases such as salmonellosis, brucellosis and rickettsial diseases.
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How our test process works!
The Febrile Antigens test detects the presence of antibodies in the blood against specific pathogens that cause fever, such as bacteria or viruses. It helps diagnose infections like typhoid fever, brucellosis, or leptospirosis.
The Febrile Antigens test is a standard blood test with minimal risk. The primary risk is related to the blood draw, which may cause minor bruising, bleeding, or infection at the puncture site.
The interpretation of Febrile Antigens test results depends on the specific antibodies being tested and the cutoff values established by the laboratory.
Positive result: Indicates the presence of antibodies against the specific pathogen being tested, suggesting current or past infection.
Negative result: Indicates the absence of detectable antibodies against the pathogen.
A blood sample is required, typically drawn from a vein in the arm. The sample is then processed in the laboratory to detect antibodies against specific pathogens.
Frequently Asked Question
Febrile antigens are commonly used to diagnose diseases such as typhoid fever, brucellosis, rickettsial infections, and other bacterial infections that cause fever.
Febrile antigens are antigens derived from bacteria associated with febrile (fever-causing) infections. They are used in diagnostic tests to detect the presence of antibodies in a patient's serum, indicating a past or present infection.
The tests involve mixing a patient's serum with febrile antigen suspensions. If antibodies specific to these antigens are present in the serum, agglutination (clumping) will occur, indicating a positive result.
Limitations include:
Cross-reactivity with other bacterial antigens leading to false positives.
Low sensitivity in early stages of infection.
Not suitable for determining the exact bacterial strain.
The accuracy of febrile antigen tests can vary. They are useful for screening but may not be as specific or sensitive as other diagnostic methods like culture or molecular testing. False positives and false negatives can occur.
Febrile antigen tests can indicate exposure to a pathogen but may not distinguish between current and past infections. Additional clinical information and tests are often needed to determine the stage of infection.
Results should be interpreted in conjunction with clinical symptoms and other diagnostic tests. A positive result suggests exposure to the tested bacteria, but clinical correlation and further testing are essential for a definitive diagnosis.
Common types of febrile antigens include:
Salmonella typhi and Salmonella paratyphi (for typhoid and paratyphoid fever)
Brucella abortus and Brucella melitensis (for brucellosis)
Proteus OX-19, OX-2, and OX-K (for rickettsial infections).
Complementary diagnostic methods include blood cultures, PCR (polymerase chain reaction), and ELISA (enzyme-linked immunosorbent assay) for more specific and sensitive detection of bacterial infections.
Precautions include:
Proper handling and preparation of antigens and sera.
Avoiding contamination of samples.
Using appropriate controls to validate test results.
Report in 12 hours
Booked 47 times
Febrile Antigens
Comprehensive Febrile Detection: Insights from Triple Antigen Testing for Infections
৳1020
৳1200
15% OFF
Sample Type
blood
Fasting Required
No
Description
Triple antigen tests are used in the detection of antibodies produced in certain febrile diseases such as salmonellosis, brucellosis and rickettsial diseases.
Covid Safety
Assured
Free Report
Counselling