Lab Values

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Author:
13BlueInkBunnies
ID:
296914
Filename:
Lab Values
Updated:
2015-02-26 00:30:48
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Lab Values
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Description:
RN Lab Values
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  1. Na+ (Sodium)
    [lab value]
    Na+ 135-145 mEq
  2. Na+ (Sodium)
    Functions and Considerations
    • Na+ maintains:osmotic pressure acid-base balance assists in transmission of nerve impulses
    • ! Drawing blood specimens from an extremity in which an IV solution is
    • infusing can produce an inaccurate result, depending on the test being
    • performed and type of solution infusing. Prolong use of a tourniquet and
    • clenching and unclenching hand before venous sampling can increase the
    • blood level of K+ producing an inaccurate result
  3. K+ (Potassium)
    [lab value]
    K+ 3.5-5 mEq

  4. K+ (Potassium)
    [functions and considerations]
    • K+ function:
    • 1. cation
    • 2. reg water balance
    • 3. electrical conduction
    • 4. acid-base balance

    • K+ levels to evaluate:
    • 1. renal function
    • 2. cardiac function
    • 3. GI function
    • 4. need for IV replacement therapy

    • K+ nursing considerations:
    • 1. PT c/elevated WBCs and platelets counts may have falsely elevated potassium levels
  5. Cl- (Chloride)
    [lab value]
    Cl-  98-107 mEq
  6. HCO3 (Bicarbonate)
    [lab value]
    HCO3 22-26
  7. Ca+ (Calcium)
    [lab value]
    Ca+ 8.6-10
  8. Platelet Count
    [lab value]
    • Platelet Count 150K-400K
    • 150,000 to 400,000

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