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Fibrinopeptide A
Definition:
Fibrinopeptide A is a blood test that measures the level of fibrinopeptide A, which is a substance released as part of the clotting process. An elevated level may indicate an abnormal clotting process, such as disseminated intravascular coagulation (DIC ). Alternative Names:
FPA Text Continues Below
How the test is performed:
Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The puncture site is cleaned with antiseptic. An elastic band is placed around the upper arm to apply pressure and cause the vein to swell with blood. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. During the procedure, the band is removed to restore circulation. Once the blood has been collected, the needle is removed, and the puncture site is covered to stop any bleeding. In infants or young children: The area is cleansed with antiseptic and punctured with a sharp needle or a lancet. The blood may be collected in a pipette (small glass tube), on a slide, onto a test strip, or into a small container. A bandage may be applied to the puncture site if there is any bleeding. The sample is then taken to the laboratory for examination. How to prepare for the test:
No special preparation is necessary. For infants and children: The preparation you can provide for this test depends on your child's age and previous experiences. For specific information regarding how you can prepare your child, see the following topics:
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