factor xii assay…

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what the risks are hageman factor assay, factor xii assay, blood test to measure the activity of factor xii, the substances involved in coagulation, blood clotting, blood is drawn, a vein, the elbow, the hand, puncture site is cleaned, antiseptic, an elastic band, around the upper arm to apply pressure, vein to swell, blood, a needle is inserted, vein, blood is collected in an air-tight vial, a syringe, band is removed, restore circulation, once the blood has been collected, needle is removed, puncture site is covered to stop any bleeding, in infants, young children, area is cleansed, antiseptic, punctured, a sharp needle, a lancet, blood collected, pipette, small glass tube, on a slide, onto a test strip, into a small container, a bandage applied, puncture site, any bleeding, , no special preparation needed, adults, infants, children, procedure depends on child's age, previous experience, level of trust, prepare child, infant test, procedure preparation, birth to 1 year, toddler test, procedure preparation, 1 to 3 years, preschooler test, procedure preparation, 3 to 6 years, schoolage test, procedure preparation, 6 to 12 years, adolescent test, procedure preparation, 12 to 18 years, the needle is inserted to draw blood, feel moderate pain, a prick, stinging sensation, some throbbing, the cause of abnormal results on a blood-clotting test, ptt, coagulation, blood clotting, a sequence of reactions involving proteins known collectively, the coagulation factors, liver produces coagulation factors, secretes them, blood, a normal value is 50-200%, the laboratory control, reference value, decreased factor xii activity, congenital deficiency of factor xii, liver disease, excessive bleeding, fainting, feeling light-headed, hematoma, blood accumulating under the skin, infection, a slight risk, the skin is broken, multiple punctures to locate veins, factor xii deficiency is not, associated, clinical bleeding, factor xii, does not, necessary, the formation of clots, normal hemostasis, stopping of bleeding, veins, arteries vary in size, obtaining a blood sample.