Card Set Information
Kidneys renal nursing
Values, descriptions, & nursing considerations for renal diagnostic tests
BUN (Blood Urea Nitrogen) - normal values
BUN - purpose and description
Measures urea, the end product of protein metabolism.
May be elevated in dehydration, vomiting, diarrhea, digested blood, or prerenal/renal failure.
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.
Serum Creatinine - normal values
(older adults may have decreased values due to decreased muscle mass.
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.
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.
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.
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.
Urine Culture (midstream, clean-catch)
Purpose and description
Used to identify the causative organism of a UTI.
UC - Normal Values
Some organisms are expected. While urine is sterile, the urethra contains bacteria and a few WBCs.
Values of >100,000 organisms/mL indicate UTI.
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.