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  2. Trough level - Wikipedia

    en.wikipedia.org/wiki/Trough_level

    In a medicine that is administered periodically, the trough level should be measured just before the administration of the next dose in order to avoid overdosing. [3] A trough level is contrasted with a "peak level" (C max), which is the highest level of the medicine in the body, and the "average level", which is the mean level over time. It is ...

  3. Lithium toxicity - Wikipedia

    en.wikipedia.org/wiki/Lithium_toxicity

    The diagnosis is generally based on symptoms and supported by a lithium level blood level. [1] [2] Blood levels are most useful six to twelve hours after the last dose. [2] The normal blood serum lithium level in those on treatment is between 0.6-1.2 mEq/L. [1] Some blood tubes contain lithium heparin which may result in falsely elevated ...

  4. Lithium (medication) - Wikipedia

    en.wikipedia.org/wiki/Lithium_(medication)

    Those who use lithium should receive regular serum level tests and should monitor thyroid and kidney function for abnormalities, as it interferes with the regulation of sodium and water levels in the body, and can cause dehydration. Dehydration, which is compounded by heat, can result in increasing lithium levels.

  5. Venipuncture - Wikipedia

    en.wikipedia.org/wiki/Venipuncture

    Tubes containing lithium heparin or sodium heparin are also commonly used for a variety of chemistry tests, as they do not require clotting and can be centrifuged immediately after collection. A combination of sodium fluoride and potassium oxalate is used for glucose tests, as these additives both prevent clotting and stop glycolosis, so that ...

  6. Isotopes of lithium - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_lithium

    Naturally occurring lithium (3 Li) is composed of two stable isotopes, lithium-6 (6 Li) and lithium-7 (7 Li), with the latter being far more abundant on Earth. Both of the natural isotopes have an unexpectedly low nuclear binding energy per nucleon (5 332.3312(3) keV for 6 Li and 5 606.4401(6) keV for 7 Li) when compared with the adjacent lighter and heavier elements, helium (7 073.9156(4) keV ...

  7. Template:Table of blood sampling tubes - Wikipedia

    en.wikipedia.org/wiki/Template:Table_of_blood...

    Tube cap color or type in order of draw Additive Usage and comments Blood culture bottle: Sodium polyanethol sulfonate (anticoagulant) and growth media for microorganisms: Usually drawn first for minimal risk of contamination. [1] Two bottles are typically collected in one blood draw; one for aerobic organisms and one for anaerobic organisms ...

  8. Vacutainer - Wikipedia

    en.wikipedia.org/wiki/Vacutainer

    Vacutainer tubes may contain additives designed to stabilize and preserve the specimen prior to analytical testing. Tubes are available with a safety-engineered stopper, with a variety of labeling options and draw volumes. The color of the top indicates the additives in the vial. [1] Vacutainer tubes were invented by Joseph Kleiner in 1949. [2]

  9. Lithium - Wikipedia

    en.wikipedia.org/wiki/Lithium

    The third most common use of lithium is in greases. Lithium hydroxide is a strong base, and when heated with a fat, it produces a soap, such as lithium stearate from stearic acid. Lithium soap has the ability to thicken oils, and it is used to manufacture all-purpose, high-temperature lubricating greases. [21] [162] [163]