Factor XII assay?

Factor XII assay?
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DefinitionThe factor XII assay is a blood test to measure the activity of factor XII -- one of the substances involved in blood clotting.Alternative NamesHageman factor assayHow the test is performedBlood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The area is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elastic band around the upper arm to apply pressure to the area and make the vein swell with blood.Next, the health care provider gently inserts a needle into the vein. The blood collects into an airtight vial or tube attached to the needle. The elastic band is removed from your arm. Once the blood has been collected, the needle is removed, and the puncture site is covered to stop any bleeding.In infant
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Description : Factor VIII assay?

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Description : Factor II assay?

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