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    What Is an Activated Partial Thromboplastin Time (aPTT) Test?

    The Activated Partial Thromboplastin Time (aPTT) test is a blood test that assesses the time taken for blood to clot. It focuses on a specific group of clotting factors, indicating both their presence and efficiency.

    When you get a cut or injury, your body uses special proteins, known as clotting factors, to stop the bleeding. The aPTT test is done to investigate the reasons behind unexplained bleeding or clotting complications. If your blood clots too slowly, it may suggest a bleeding disorder such as haemophilia, which can lead to significant blood loss. However, if your blood clots too quickly, it can result in clots that block blood flow, leading to serious risks like heart attacks or strokes. This test is also useful for monitoring the effects of certain medications, including heparin, a blood thinner. Generally, the aPTT test is performed alongside other evaluations of clotting factors and their overall functionality.

    The aPTT test helps doctors in understanding your blood's clotting capability, a crucial mechanism for controlling bleeding and identifying irregular health conditions.

    Activated Partial Thromboplastin Time (aPTT) Test - Parameters

    The aPTT test is done to measure how long it takes for your blood to clot, for specific clotting factors. This includes factors such as VIII, IX, XI, and XII, as well as fibrinogen.

    It is termed "activated" because a special substance is added to your blood sample to start the clotting process.

    If the aPTT result exceed normal levels, it may indicate an issue with the clotting factors. To determine the cause, a mixing study can be conducted, wherein your blood is mixed with normal plasma. If this mixing resolves the prolonged aPTT time, it suggests a deficiency in one or more clotting factors. If it does not, this may imply the presence of an inhibitor affecting clotting, which would require further investigation.

    Activated Partial Thromboplastin Time (aPTT) Test - Preparation

    Consider the following factors before you set up an APTT test in Gurgaon:

    • Prerequisites Fasting is not required before having an APTT test.

    • Best Time to Get Tested This test can be done at any time of the day.

    • Who Should Get an APTT Test? The test is recommended for individuals with unexplained bleeding, clotting disorders, autoimmune conditions, liver disease, frequent miscarriages, or for those undergoing heparin therapy.

    • Cautions Before Taking an APTT Test Typically, no special preparation is necessary prior to the APTT test. However, it is advised to consult your doctor beforehand to confirm it’s suitable for your circumstances.

    Why Take the Activated Partial Thromboplastin Time (aPTT) Test?

    The aPTT test, or Activated Partial Thromboplastin Time test, evaluates the clotting ability of your blood by measuring specific proteins called clotting factors. This test can be particularly useful if you have unexplained bruising or bleeding, as it can determine if your body has trouble producing these factors or if they are not functioning as they should. It can also help explain the occurrence of blood clots, which can sometimes be due to immune system issues that lead the body to attack its own cells.

    For individuals on blood-thinning medication, the aPTT test is crucial for ensuring the medication is effective and that you are taking the correct dose. Additionally, this test is often conducted before surgeries for certain patients to evaluate their risk of excessive bleeding during or after the operation. In patients with liver disease, the test can indicate whether the liver is producing sufficient clotting factors.

    The aPTT test may also be relevant for those who have had recurrent miscarriages or if doctors suspect a bleeding or clotting disorder.

    FAQs on the Activated Partial Thromboplastin Time (aPTT) Test in Gurgaon

    The cost for the aPTT test is ₹ 550. This includes fast home sample collection within 60 minutes after the test is confirmed, with results available in 6 hours.

    Yes, Orange Health Labs facilitates home sample collection for the aPTT test in Gurgaon. Your sample can be collected at home within 60 minutes after booking, upon slot availability.

    The aPTT test measures blood clotting time to help identify clotting disorders, oversee heparin therapy, evaluate bleeding risks before surgeries, and assess conditions such as liver disease and autoimmune disorders.

    No fasting is required before taking an aPTT test.

    To book an aPTT blood test or health checkup through our service, follow these instructions:

    • Find the Test: Search for the Activated Partial Thromboplastin Time test in Gurgaon and click on Orange Health’s listing.

    • Review and Verify: Select the aPTT test, check for any prerequisites, provide your location, and complete the booking by selecting a time that works for you for home sample collection.

    • Sample Collection: An eMedic will visit your home to collect the sample at the scheduled time.

    • Laboratory Processing: Your sample will be sent to our ICMR-approved and NABL-accredited laboratory for processing.

    • Receive Results: The results of your aPTT test will be sent to you via email or WhatsApp within 6 hours and can also be accessed through our app.

    The normal range for aPTT test results is typically 17.8 to 39.8 seconds.

    Once you have arranged the aPTT test, an eMedic from Orange Health Labs will visit your home to collect the sample within 60 minutes. The collection process generally takes only a few minutes, and your reports will be available online within 6 hours.

    The timing of the aPTT test is based on your doctor’s evaluation of your health condition and risk factors. Make sure to follow your doctor’s advice regarding the frequency of the test.

    The only parameter measured by the aPTT test is the time it takes for blood to coagulate.

    Orange Health provides the aPTT test in Gurgaon, conveniently delivered to your home, so you will not need to go to a physical laboratory. Areas served in Gurgaon include, but are not exclusively, Sector 14, Sector 15, Sector 21, Sector 22, Sector 23, Sector 24, Sector 29, Sector 31, Sector 40, Sector 42, Sector 43, Sector 45, Sector 46, Sector 50, Sector 51, Sector 52, Sector 53, Sector 54, Sector 55, Sector 56, DLF Phase 1, DLF Phase 2, DLF Phase 3, DLF Phase 4, and DLF Phase 5.

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    References

    1. MedlinePlus. Partial Thromboplastin Time (PTT) Test: MedlinePlus Lab Test Information [Internet].  Available from:  https://medlineplus.gov/lab-tests/partial-thromboplastin-time-ptt-test/
    2. Blood Clotting Too Quickly or Too Slowly? [Internet].  Available from:  https://my.clevelandclinic.org/health/diagnostics/25101-partial-thromboplastin-time
    3. Activated partial thromboplastin time | Pathology Tests Explained [Internet].  Available from:  https://www.pathologytestsexplained.org.au/ptests-pro.php?q=Activated+partial+thromboplastin+time#what-is-being-tested
    4. Zaidi SRH, Rout P. Interpretation of Blood Clotting Studies and Values (PT, PTT, aPTT, INR, Anti-Factor Xa, D-Dimer) [Internet].  Available from:  https://www.ncbi.nlm.nih.gov/books/NBK604215/