ammonium ion…

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what the risks are blood test, nh4+ test, ammonium ion test measures the amount, ammonium ions, blood sample, 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, fast, 12 hours, advise to withhold drugs, affect test results, drugs, interfere, the test include thiazide, loop diuretics, barbiturates, acetazolamide, neomycin, oral kanamycin, taking any of these medications, infants, children, test 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, a prick, stinging sensation, some throbbing, this test performed, a condition, toxic accumulation of ammonia is present, suspected, ammonia, nh4+, produced by cells throughout the body, the intestines, liver, kidneys, kidneys, ammonia plays a minor role, in the acid/base balance, a metabolic waste product, primarily the result of protein metabolism, the ammonia produced, in the body is used by the liver, in the production of urea, urea is also a waste product but is much less toxic than ammonia, ammonia is especially toxic, brain, cause confusion, lethargy, coma, normal range is 15, 45 mcg/dl, mcg/dl = micrograms per deciliter, normal value ranges, among different laboratories, conditions, increase ammonia levels, liver failure, severe congestive heart failure, erythroblastosis fetalis, gastrointestinal, gi, bleeding, in the upper gi tract, genetic diseases, the urea cycle, leukemia, pericarditis, reye's syndrome, certain drugs, 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, this test, 90% accurate, patients, liver disease, have clotting problems, venipuncture, pressure, applied, puncture site, several minutes to ensure that bleeding has stopped, veins, arteries vary in size, obtaining a blood sample more difficult, than from others.