VDRL
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Certified Labs
NABH Accredited
60 mins collection
Not specified
Reports in
3 hrs
Measures
It measures the level of antibodies circulating against syphilis in the ssue fluids.
Identifies
Antibodies against syphilis
About The Test
What Is the VDRL Test and Its Significance
The VDRL test is a blood test for diagnosing syphilis, a bacterial infection typically acquired through sexual contact. This test determines the number of antibodies associated with syphilis in a person’s blood. Even though syphilis can be treated with antibiotics, untreated infections can lead to severe health complications.
The VDRL test utilizes a method known as flocculation, which allows it to identify the antibodies associated with syphilis. The antibodies attach themselves together as a result of mixing with a particular antigen in the blood sample, indicating a positive result.
What Does the VDRL Measure?
The VDRL test indicates the quantity of syphilis antibodies present in the bloodstream. Usually, it is reported as a titer, which is a measure of concentration of antibodies. When a positive result is reported, this means that the patient has had syphilis at some point in their life.
When Will the VDRL Be Taken?
The VDRL test is often taken when there is some suspicion of a case of syphilis, like an infected person exhibiting clinical features of the disease, a person who has been in contact with someone with syphilis or is a part of screening STIs.
The Risks or Limitation in Doing VDRL Test?
Even if the VDRL test is not difficult or dangerous to perform, there a few risks and limitations:
1. Producing false positive results: Lupus or Lyme disease are other conditions that can cause the VDRL test to produce spuriously positive results.
2. Producing false negative results: An Early stage of any syphilis infection is likely to yield negative test results.
3. Pregnancy and nursing: Testing should be performed on pregnant and lactating women only when it is truly warranted, because it can expose the foetus or baby to certain hazards.
List of Parameters
What Parameters Are Evaluated in The VDRL Test?
The VDRL Test assesses a person’s blood for the quantity of syphilis exposure and rates the relative scale of syphilis antibodies produced.
1. Antibodies present in the blood against Syphilis
2. The concentration of the identified antibodies
3. After tests results are usually reported as:
4. Nonreactive; No antibodies detected.
5. Reactive; Antibodies detected.
Why This Test
Who should consider taking the test?
Every voluntary donor requiring VDRL Test must be educated by the medical staff that the VDRL Test is primarily indicated in patients who are suspected to have syphilis for instance:
1. Any individual with signs of Syphilis, suspicious lesions like genital sore.
2. An individual who had sexual contact with! An individual suffering from syphilis.
3. Patient coming for STI screening.
4. All pregnant women to avert congenital syphilis.
Benefits
The Advantages of the VDRL Test for Your Health
Undergoing the VDRL test is beneficial because:
1. Treating of syphilis is most effective in its primary stage.
2. Avoidance of disease related complications and sequelae.
3. Uninfected sexual partner and children.
What Conditions Can the VDRL Test Diagnose?
The VDRL test is overtly used in the management of syphilis, a bacterial infection distributed mainly by sexual activities.
Test Preparation
Preparing for your VDRL test?
There are no upper requirements for the VDRL test. However, patients should inform their doctors regarding other therapies, particularly antibiotic treatment.
Prerequisites: None
Eligibility: Anyone can take the VDRL test, although it is usually advised to peaple with risk factors for syphilis.
Procedure for Taking the Test: A nurse will place a needle in the patient's arm and draw blood from a vein.
Caution Before the Test: Missing doses of other medications, such as antibiotics, should be reported to your healthcare provider.
Test Results
How do I interpret the results of a VDRL test
Condition/Findings | Description | Interpretation |
---|---|---|
Nonreactive | No antibodies detected | Indicates that the patient does not have syphilis or has not been infected. |
Reactive (1:2 to 1:16) | Antibodies detected, low titer | May indicate past or present infection |
Reactive (1:32 to 1:256) | Antibodies detected, moderate titer | May indicate present infection. |
Reactive (≥1:512) | Antibodies detected, high titer | May indicate acute or congenital syphilis. |
FAQs
For what condition is VDRL Test done?
VDRL Test is for detection of syphilis in a person.
What are the procedures of the test?
A sample of the blood is taken from a vein in the arm.
What is the interpretation of results?
A positive result suggests that the person has been infected with syphilis at some point in his/her life. A negative test shows that the person does not have syphilis or has not been infected with them.
Is it a danger free test?
Yes, this test is usually safe. But sometimes false positive and false negative results have been reported.