Platelet associated antibodies

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Blood test

Overview

Risks

Results

Platelet associated antibodies

Definition:

This is a test to identify the presence of abnormal antiplatelet antibodies in the blood.

How the test is performed:

Blood is drawn from a vein, usually inside the elbow or on the back of the hand. The area is cleaned with antiseptic, and an elastic band is placed around the upper arm. This causes the vein to fill with blood.

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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 and 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. Cotton or a bandage may be applied to the puncture site if there is any continued bleeding.

How to prepare for the test:

No special preparation is necessary for adults.

For infants and children.

The preparation you can provide for this procedure depends on your child's age, previous experiences, and level of trust. For specific information on how you can prepare your child, see the following topics:

Infant test or procedure preparation (birth to 1 year)
Toddler test or procedure preparation (1 to 3 years)
Preschooler test or procedure preparation (3 to 6 years)
Schoolage test or procedure preparation (6 to 12 years)
Adolescent test or procedure preparation (12 to 18 years)

How the test will feel:

When the needle is inserted to draw blood, some people feel moderate pain, while others feel only a prick or stinging sensation. Afterward, there may be some throbbing.

Why the test is performed:

This test may be ordered when the person has a low platelet count (thrombocytopenia). It is used to detect antibodies against platelets.