Renal Diagnostics

Card Set Information

Author:
pdnursekim
ID:
4232
Filename:
Renal Diagnostics
Updated:
2010-01-14 21:26:31
Tags:
Kidneys renal nursing
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Description:
Values, descriptions, & nursing considerations for renal diagnostic tests
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  1. BUN (Blood Urea Nitrogen) - normal values
    5-25 mg/dL
  2. BUN - purpose and description
    • Blood test.
    • Measures urea, the end product of protein metabolism.
    • May be elevated in dehydration, vomiting, diarrhea, digested blood, or prerenal/renal failure.
  3. BUN - Related Nursing Care
    • No special prep.
    • If client dehydrated, the elevated levels should return to normal with hydration.
    • If not, this is an indicator of renal disease.
  4. Serum Creatinine - normal values
    • 0.5-1.5 mg/dL
    • (older adults may have decreased values due to decreased muscle mass.
  5. Serum Creatinine - Description & purpose
    • Blood test used to dx kidney dysfunction.
    • Byproduct of muscle breakdown.
    • Secreted by the kidneys.
    • When 50% or more nephrons are destroyed, serum creatinine rises.
  6. Serum Creatinine = Related Nursing Care
    • No special prep is needed.
    • Values may be elevated by antibiotics, ascorbic acid, L-dopa, methyldopa, and lithium carbonate.
    • Value no affected by hydration status.
  7. Routine Urinalysis - Purpose & Description
    Examiniation of the constituents of a sample of urine to establish baseline, provide data for diagnosis, or monitor results of tx.
  8. Routine UA - Related Nursing Care
    • Provide a clean specimen cup for a sample of urine.
    • Note if female client is menstruating.
    • Assess medications, fluid status, and foods that might affect UA results.
  9. Urine Culture (midstream, clean-catch)
    Purpose and description
    Used to identify the causative organism of a UTI.
  10. UC - Normal Values
    • <10,000 organisms/mL
    • Some organisms are expected. While urine is sterile, the urethra contains bacteria and a few WBCs.
    • Values of >100,000 organisms/mL indicate UTI.
  11. UC
    Related Nursing Care
    • Provide client with sterile container.
    • Ask woman to separate labia with one hand and clean labia with the other, using sterile cotton sponges saturated with a cleansing solution, and wiping 3 times front to back.
    • Ask men to retract the foreskin and cleans the glans in a circular motion away from urethra with 3 different cotton sponges with cleansing solution.

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