Tests Of Hemostasis Flashcards
(23 cards)
BMBT is also known as what in large animal?
Lip bleeding time
BMBT is preformed how?
Cut above canine, time until it stops bleeding
What is the normal range for BMBT?
1-5 minutes
Cuticle bleeding time test uses what type of nail trimmers?
Guillotine
What is the normal range for cuticle bleeding time test?
2-8 minutes
How is a simple clot time performed?
Collect capillary tubes and break every 30 seconds until you get a fibrin strand
Normal range for simple clot time?
1-5 minutes
What is the clot activator in the ACT Tube?
Cliatomacious earth
Normal range for ACT
60-90 seconds
Which pathways does PT evaluate?
Extrinsic and common coagulation
What does prolonged PT time indicate?
Severe liver dz
DIC
Deficincies in clotting factors /
vitamin k
Which pathways does aPTT evaluate?
Intrinsic and common clotting
How is the fibrinogen assay performed?
1 heated and spun TP
What does PIVKA stand for?
Proteins induced by vitamin k absence
How quickly can PIVKA detect rodenticide ingestion
6 hours
Which clotting factor precursors does PIVKA measure?
2,7,9,10
What are FDPs?
Fragments of fibrin
What does D-Diner test help identify?
DIC, Liver failure, Trauma, hemangiosarcoma
Which anticoagulant is used for all coagulation tests except platelet counts and fibrinogen assay?
Sodium citrate
Which anticoagulant is used to perform platelet count?
EDTA
Why must collection be “clean”?
So tissue factor doesn’t activate factors
Can plasma be frozen?
Yes
When would you need to ship plasma on dry ice?
If it won’t make it to lab before 24 hours
