Urine Flashcards
What is Azoturia?
excess urea in urine
What is Urea?
nitrogenous waste, product of protein metabolism, formed in liver, excreted in urine
What is Myoglobinuria?
muscle protein in urine
What is False Hemoglobinuria?
RBC ruptured in urinary bladder
What is True Hemoglobinuria?
RBC ruptured in vascular system
What is Isothenuria?
maintenance of constant osmolality glucose completely regardless of changes in osmatic pressure in blood
What is Micturition?
act of urinating
What is FUS?
feline urological syndrome (FLUDTZ)
What is normal output of urine for cats/dogs?
20-40ml/kg
What is the average SG for dogs?
1.025
What is the average SG for cats?
1.030
What is the average SG range for Isothenuria?
1.008-1.012
What tests are the least accurate tests on a dipstick?
Nitrate and Urobilinogen
What stains can be used for urine?
Sternheimer-Melbin or New Methylene Blue
Where do casts form?
form in the lumen of the distal and collecting tubules of the kidneys
What are casts made up of?
protein and mucoproteins
What are the different types of casts?
Hyaline, Granular, Waxy, Cellular, and Fatty
What is the most common casts seen?
Granular casts
Which granular cast is younger?
coarse granular cast
Which granular cast is older?
fine granular cast
What cast is the most common in cats?
Fatty casts
What parasites can be seen in the urine?
Capillaria plica (bladder worm), Microfilaria, Dioctophyma renale
What is normal pH for dogs?
5.5-6.8
What is normal pH for cats?
6-7
What crystal is most commonly seen?
Struvite
What is the second most common crystal seen?
Calcium Oxalate Dihydrate
For cytological evaluation, the sample should be _________________ to avoid changes to the urine.
centrifuged ASAP
Why would urine be brown?
blood, hemoglobinuria, myoglobinuria
What crystals/stones are found in Dalmations?
Uric Acid
What crystals are seen with ethylene glycol toxicity (antifreeze)?
Calcium Oxalate Monohydrate or Calcium Oxalate Dihydrate
What does an increased amount of Cystine crystals indicate?
renal tubular disfunction
What color is a hematuria sample once spun down?
clear, whole RBC at the bottom
What color is a myoglobinuria sample once spun down?
red, whole RBCs and ghost cells at the bottom
What color is a hemoglobinuria sample once spun down?
red, ghost cells at the bottom