Report in 12 hours
Booked 11 times
VDRL (Qty)
Venereal Disease Research Laboratory Test (Quantity)
৳1020
৳1200
15% OFF
Sample Type
blood
Fasting Required
No
Description
Description: The VDRL test detects antibodies, particularly non-specific antibodies known as reagin, produced by the body in response to Treponema pallidum infection. Although it is a screening test, additional confirmatory tests are often necessary to establish a definitive diagnosis of syphilis.
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VDRL (Qty) Test Overview
The VDRL test is a blood test used to screen for syphilis, a sexually transmitted infection (STI) caused by the bacterium Treponema pallidum. The test detects non-specific antibodies that may be produced in response to the infection.
Risk Assessment
- False Positives: The VDRL test can produce false positives due to other conditions or factors, such as:
- Autoimmune diseases: Conditions like lupus or rheumatoid arthritis.
- Pregnancy: Some pregnant women may test positive.
- Other infections: Certain infections or chronic diseases can lead to a positive result.
- Confirmatory Testing: A positive VDRL result should be followed by more specific tests to confirm the diagnosis of syphilis. These include:
- Treponemal tests: Such as the FTA-ABS (Fluorescent Treponemal Antibody Absorption) test, which detects antibodies that are more specific to Treponema pallidum.
- Clinical evaluation: Including a physical examination and assessment of symptoms.
Normal Range
- Normal Range: A VDRL test result is considered negative if no antibodies are detected. There are no specific "normal" levels for a positive test; rather, the result is interpreted as positive or negative.
Interpretation
- Negative VDRL Test: A negative result suggests that syphilis is unlikely. However, it’s important to consider the test’s limitations, as early-stage syphilis or very late-stage syphilis may not always be detected.
- Positive VDRL Test: A positive result indicates that antibodies associated with syphilis are present. However, a positive VDRL test does not confirm syphilis, as it can produce false positives. Additional confirmatory tests, such as the Treponemal tests (e.g., FTA-ABS), are required to confirm the diagnosis.
Sample Type
- Sample Type: Blood sample.
- Collection: A blood sample is drawn from a vein in the arm using a needle. The sample is then sent to a laboratory for analysis.
Frequently Asked Question
The test is recommended for individuals who have symptoms of syphilis, have had sexual contact with someone diagnosed with syphilis, are pregnant, or are part of routine screening for sexually transmitted infections (STIs).
Negative result: No antibodies detected, suggesting no current syphilis infection.
Positive result: Antibodies detected, indicating a current or past infection with syphilis. A quantitative test can show the concentration of antibodies, which helps in assessing the stage of infection and treatment effectiveness.
No special preparation is needed for the test. However, you should inform your healthcare provider of any medications you are taking, as certain drugs can affect the results.
A positive result indicates the presence of antibodies against Treponema pallidum, suggesting either an active syphilis infection or a previous infection that has been treated.
No, the VDRL test is a screening test and cannot distinguish between active and past infections. Additional confirmatory tests, such as the treponemal tests, are required for further evaluation.
Yes, certain medical conditions, such as autoimmune diseases, pregnancy, and recent immunizations, can lead to false-positive results on the VDRL test.
Yes, if the VDRL test result is positive, further evaluation and treatment by a healthcare provider, usually involving antibiotics, are necessary to manage the syphilis infection.
Subtitle: Screening for Syphilis Infection
The test can sometimes give false-positive results due to other conditions, such as certain infections, autoimmune diseases, or pregnancy. Confirmatory tests, like the Treponema pallidum particle agglutination (TPPA) test, are often used to verify results.
Results are typically available within 24 to 48 hours after the blood sample is collected.
If the test is positive, your healthcare provider will likely recommend a confirmatory test and discuss treatment options. Syphilis is usually treated with antibiotics, such as penicillin.
Yes, the quantitative aspect of the test can be used to monitor the effectiveness of treatment by measuring changes in antibody levels over time.
Yes, the test involves a standard blood draw, which is generally safe. Some people may experience minor bruising or discomfort at the site where the blood is drawn.
The test can indicate an active infection by measuring antibody levels, but it cannot precisely differentiate between recent and past infections on its own. Clinical correlation and additional tests may be needed for a comprehensive assessment.
No, the VDRL test is specific for syphilis and is not used to diagnose other infections.
A blood sample is taken from a vein in your arm. The sample is then tested in a laboratory to detect the presence and quantity of antibodies produced in response to the Treponema pallidum bacterium.
Report in 12 hours
Booked 11 times
VDRL (Qty)
Venereal Disease Research Laboratory Test (Quantity)
৳1020
৳1200
15% OFF
Sample Type
blood
Fasting Required
No
Description
Description: The VDRL test detects antibodies, particularly non-specific antibodies known as reagin, produced by the body in response to Treponema pallidum infection. Although it is a screening test, additional confirmatory tests are often necessary to establish a definitive diagnosis of syphilis.
Covid Safety
Assured
Free Report
Counselling