Test #3 Flashcards
Which casts are never normal to see in urine?
Erythrocyte
Leukocyte
Epithelial
Waxy Casts
What type of protein do hyaline casts contain?
Tamm-Horsfall
What urine pH are casts formed and preserved in?
Acidic
Fatty acid casts may be seen in patient with____
DM or high fat diet
Normal range per lpf for Hyaline & Granular casts is _____
1-2/lpf
Epithelial casts contain what kind of cells?
Renal Tubular
What are the 2 non-protein nitrogenous waste in blood?
BUN/Creatinine
What does BUN & Creatinine measure & diagnose?
glomerular filtration
Azotemia
What is Azotemia?
an increase in non-protein nitrogenous wastes in blood
The normal BUN for canine and feline
7-27mg/dl
16-36mg/dl
Normal Creatinine levels for canine and feline
- 5-1.8mg/dl
0. 8-2.4mg/dl
Which is slower to increase BUN, or Creatinine?
Creatinine
Reason for increased Creatinine
Azotemia
Reason for decreased Creatinine
Diuresis
Reasons for increase in BUN
Azotemia increased protein diet Stress Strenuous exercise nerosis
Reasons for decrease in BUN
Liver disease
Young animals
Diuresis
Starvation
What are the 3 tests used to diagnose and classify Azotemia?
USG
BUN
Creatinine
An opaque cast with broad ends and brittle edges
Waxy cast
Cellular cast with disorganized arrangement & indicative of inflammation from pyolonephritis
Leukocyte cast
Cellular cast that is deep yellow to orange in color, presence indicates bleeding in the kidney
Erythrocyte cast
Cellular cast with organized arrangement & indicative of renal tubular damage
Epithelial cast
What do stones need to form
Increased concentration of minerals
Adequate pH
Adequate time
+/-Nidus
What is a Nidus?
something upon which a stone can form (bacteria, crystals, suture)
3 most common stones
Triple Phosphate
Urate/Ammonium Urate
Calcium Oxalate
Triple Phosphate Stone characteristics
Alkaline urine
Dogs and cats
Secondary to bacterial infection due to urease + bacteria
Treatment: acidify urine
Urate/Ammonium Urate Stone
Uric Acid stone Common in dalmations Seen with portosystemic shunt Hard to prevent Restrict protein
Calcium Oxalate Stone
Sharp protrusions
Can damage bladder
Acidic urine
Tx: make urine alkaline