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Factor VIII Antigen (vW-VonWillebrand)

Original price was: ₹ 10,494.00.Current price is: ₹ 8,499.00.

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Blood, NA, Fasting or Non Fasting: As suggested by doctor

sample requiredSample Required:

The Factor VIII Antigen Test requires a blood sample, typically obtained through venipuncture, where blood is drawn from a vein in your arm.

test timeTest Time:

The test time for Factor VIII Antigen (vW-Von Willebrand) can vary depending on the laboratory, but results are usually available within a few days.

test normal rangeTest Normal Range:

The normal range for Factor VIII Antigen levels can vary between laboratories, but it typically falls within the range of 50% to 150%.

what is the testWhat is the Test?

The Factor VIII Antigen Test measures the quantity of Factor VIII antigen in the blood.Factor VIII is a protein that is required for blood coagulation. It’s often performed to assess the presence and quantity of Factor VIII in individuals with bleeding disorders, including von Willebrand disease and hemophilia A.

test procedureTest Procedure:

A blood sample is taken from a vein in your arm by a healthcare worker. The blood sample is sent to a laboratory for analysis. In the lab, specific tests are conducted to measure the quantity of Factor VIII antigen.

who should take this testWhen to Take the Test:

The Factor VIII Antigen Test is typically performed when there is a suspicion of bleeding disorders, including von Willebrand disease or hemophilia A.

when to take the testWho Should Take This Test:

Individuals with a personal or family history of bleeding disorders, prolonged or excessive bleeding after injuries or surgeries, or symptoms such as easy bruising may be candidates for this test. It’s also used for monitoring and managing individuals with known bleeding disorders.

precautions for exceptional casesPrecautions for Exceptional Cases (Pregnancy, etc.):

If you are pregnant or have specific medical conditions or medications that may affect Factor VIII levels, inform your healthcare provider before the test.


FAQs (Frequently Asked Questions):

Q1: What is von Willebrand disease, and how does it relate to the Factor VIII Antigen Test?

A: Von Willebrand disease is a bleeding disorder caused by a deficiency or dysfunction of von Willebrand factor (vWF), which plays a crucial role in blood clotting. This test helps diagnose and monitor the disease because vWF stabilizes and protects Factor VIII in the blood.

Q2: Can the Factor VIII Antigen Test be used to diagnose hemophilia A?

A: While this test measures Factor VIII levels, it alone is not sufficient to diagnose hemophilia A. Additional tests, such as the Factor VIII Activity Test, are often required for a comprehensive diagnosis.

Q3: Are there any risks associated with the test?

A: The test involves a simple blood draw, which carries minimal risks such as bruising or infection at the puncture site.

Q4: How is von Willebrand disease treated?

A: Treatment for von Willebrand disease typically involves desmopressin (DDAVP) therapy, replacement therapy with clotting factor concentrates, or other medications to manage bleeding episodes.

Q5: What is the significance of Factor VIII levels below the normal range?

A: Low Factor VIII levels can lead to prolonged bleeding and may indicate a bleeding disorder, such as hemophilia A or von Willebrand disease. However, a comprehensive evaluation by a healthcare provider is needed for a definitive diagnosis and treatment plan.

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