URINALYSIS Flashcards
The one who is responsible for quantitating urine sediments
Thomas Addis
What are the inorganic compounds found in urine?
Chloride
Sodium
Potassium
Calcium
Sulfate
Phosphate
Ammonium
Urea comes from what
protein and amino acids metabolism
Constituents that indicate that a fluid is URINE
Urea and Creatinine
Factors that influence urine concentration
Physical activity
Water
Diet
Disease
Endocrine
Body position
Factors that influence urine volume
fluid intake
fluid loss from nonrenal sources
antidiuretic hormone
Normal urine daily output
600-2000 mL/day
Urine is <400mL/day
Oliguria
Causes of Oliguria
Dehydration
Vomiting
Diarrhea
Severe perspiration
Burns
Renal obstruction
Complete cessation of urine flow
Anuria
Increase urine at night
Nocturia
Disease/cause associated that can cause nocturia
Pregnancy
Bladder stone
Prostate enlargement
Urine volume is greater than 2500 mL/day
Polyuria
Polyuria and polydipsia are often the 1st symptom of either ___________
Diabetes mellitus or Diabetes insipidus
What tubes are used for sediment analysis?
tubes with conical bottoms
Needed specimen volume for Urinalysis
12 mL
Before rejecting or reporting a urine specimen, what should you do first?
Report first to the supervisor
Handling and testing of urine should be done within ——
2 hours
The following parameters are increased when the urine is unpreserved
Bacteria
pH
Odor
Nitrite
These parameters will disintegrate in an alkaline urine
RBC/WBC and casts
Least affected parameter in unpreserved urine
Protein
Temperature required in refrigeration for preserving the urine
2-8’C
This chemical preservative is excellent for preservation of sediment
Formalin
Boric acid is for
preventing bacterial growth and metabolism