serum iron…

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what the risks are blood test, fe+2, ferric ion, fe++, ferrous ion, iron, serum, test that measures the amount, iron, in the blood, blood is drawn, a vein, the elbow, the hand, puncture site is cleaned, antiseptic, an elastic band, around the upper arm to apply pressure, restrict blood flow, the vein, veins below the band to fill, 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 an infant, young child, 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, cotton, a bandage applied, puncture site, any continued bleeding, , adults, no specific preparation, infants, children, procedure depends on child's age, 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, others feel only a prick, stinging sensation, some throbbing, this test is performed, iron deficiency is suspected, 65%, the iron, in the body is found in hemoglobin, in red blood cells, 4% in myoglobin, in skeletal muscle, 30%, the iron, in the body is stored, ferritin, hemosiderin, liver, bone marrow, spleen, a small percentage, the body's iron is in transport between various parts, component of proteins in cells throughout the body, body efficiently conserves iron so that only, 1 mg, men, post-menopausal women, 1.8 mg, premenopausal adult women, lost per day, in the urine, menstrual blood, only, 10-15%, the iron we eat in our food is absorbed, under optimum circumstances, recommended daily allowance, iron is 10 mg, men, post-menopausal women, 18 mg, premenopausal adult women, pregnancy greatly increases the need, iron, iron deficiency, common in women of reproductive age, serum iron, measured, in the laboratory, really transferrin-associated ferric iron, each transferrin molecule, carry 2 iron atoms, 30%, the available sites, filled, the percent transferrin saturation, by completely saturating all the available binding sites, to measure the total iron binding capacity, tibc, really a measure, the transferrin, in the serum, tibc, percent transferrin saturation, measured, same time serum iron is measured, iron, 60-170 mcg/dl, tibc, 240-450 mcg/dl, transferrin saturation, 20-50%, mcg/dl = micrograms per deciliter higher-than-normal levels, hemochromatosis, hemolysis, hemolytic anemias, hemosiderosis, hepatic, liver, necrosis, tissue death, hepatitis, vitamin b-12 deficiency, vitamin b-6 deficiency, iron poisoning, multiple blood transfusions, lower-than-normal levels, chronic gastrointestinal blood loss, chronic heavy menstrual bleeding, inadequate absorption of iron, insufficient dietary iron, pregnancy, additional conditions under which the test performed, anemia of chronic 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, drugs, increase iron measurements include chloramphenicol, estrogens, oral contraceptives, methyldopa, drugs, decrease iron measurements include cholestyramine, chloramphenicol, colchicine, deferoxamine, methicillin, allopurinol, testosterone, veins, arteries vary in size, obtaining a blood sample.