osmolality…

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what the risks are this test measures the osmolality, concentration of particles, blood serum, fluid portion of blood, blood is drawn, a vein, the elbow, the hand, puncture site is cleaned, antiseptic, an elastic band, blood pressure cuff, around the upper arm to cause the veins 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, infants, 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, is any continued bleeding, fast, 6 hours, 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, others feel only a prick, stinging sensation, some throbbing, osmolality measures the concentration of particles in solution, osmolality increases, dehydration, loss of water, loss of solutes, decreases, overhydration, in healthy people, osmolality, in the blood becomes high, adh, antidiuretic hormone, secreted, adh causes, kidney to reabsorb water, pass more concentrated urine, reabsorbed water dilutes the blood, dropping blood osmolality back to normal, conversely, low blood osmolality suppresses adh, reducing how much water the kidney reabsorbs, pass dilute urine to get rid, the excess water, blood osmolality increases, osmolality, the blood also changes, extraneous particles, added, ethanol, methanol, ethylene glycol, compounds, ingested, osmolality, the blood increases, similarly, diabetes, extra blood glucose increases blood osmolality, normal values range from 280 to 303 mosm/kg, mosm/kg = milliosmoles per kilogram, greater than normal levels, dehydration, diabetes insipidus, hyperglycemia, hypernatremia, consumption of methanol, consumption of ethylene glycol, renal tubular necrosis, stroke, head trauma resulting in deficient adh secretion, cranial diabetes insipidus, uremia, lower than normal levels, excess fluid intake, hyponatremia, overhydration, paraneoplastic syndromes associated, lung cancer, syndrome of inappropriate adh secretion, 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, one interfering factor is mannitol, a diuretic, veins, arteries vary in size, obtaining a blood sample.