Hematology Add On Flashcards
reticulocyte count
a measurment of a regenerative response
how is a reticulocyte count preformed?
drop of stain with drop of blood
what stain in used for a reiculocyte count?
methylene blue stain
how long does s reticulocyte stain set for?
10 minutes
what do reticulocytes look like?
dark spots or lines on a RBC
what are the reticulocytes that cat have? (2)
- punctate
2. aggregate
what do punctate reticulocytes look like?
2-8 basophilic stipples
what do aggregate reticulocytes look like?
basphiilc lines
which reticulocyte do you count in cats?
aggregate
how many RBC’s are counted with a reticulocyte count?
1000 RBC
how is a reticulocyte recorded
of retics/1000 RBC’s
how is a NRBC recorded?
NRBC/100 RBC
what is the equation when an NRBC is seen?
WBC count X 100 / 100 + NRBC
what can fibrinogen levels in cattle determine?
early warning sign for mastitis
how do you measure fibrinogen levels?
heat in a 56 degree celsius water bath for 5 minutes
what is the equation for fibrinogen levels?
the difference of the TP after the water bath
what is the type of crossmatching in cats?
blood type cards
what is the type of crossmatching in dogs?
11 types of blood
what can determine incompatability in a crossmatch?
agglutination (RBC clumping)
what the causes of hematomas? (3)
- needle pass through the vein
- bevel partially in the vein
- insufficient pressure after blood draw
what anticoagulant can be found in a lavender top tube?
EDTA
what tests are lavender top tubes used for?
Hematology
what are red top tubes used to collect?
serum
multiple fluid collecition
which blood collection tube has no anticoagulatnt? (2)
red top tubes
serum seperator tubes
what anticoagulant is found in a green top tube?
heparin
what are green top tubes used to collect?
plasma
which blood collection tube is NOT for hematology?
green top tube
which heparin can be used on blood machines?
lithium heparine
what in the serum seperator tube seperates the cells form the serum?
Gel
what anticoagulant is found int he blue top tubes?
sodium citrate
what blood test are blue top tubes used for?
clotting times
what is special about sodium citrate?
it is reversable so clotting times can be observed
what can be found in gray top tubes?
sodium floride
what blood test are gray top tubes used for?
blood glucose
why are gray top tubes not used any more?
glucometers
what does sodium floride do?
binds w/ the glucose
