Secomdary Hemostasis Flashcards
Measure period requires for free form of blood to clot after it has been removed from the body
Coagulation time
Coagulation time nv
7-15mins
Capillary blood method nv
2-4minutes
Method under capillary blood method
Drop or slide
Capillary tube/dale and laidlaw
Whole blood/ lee and white
Ptt nv
10-12 secs
It detets coagulation def
Ptt
Involve in instrunsic and common pathway
Activated partial thromboplastin time
Involve in extrinsic and common pathway
Prothrombin time
APTT NV
25-35 secs
Activator in APTT
Kaolin
Celite
Ellagic acid to activate XII
Substitute for pltelet
Phospholipid
Begin timing after the addition of the rgt
Cacl2
Specimen of choice in APTT
citrated blood 1:9
Reagent in APTT
Platelet poor plasma and APTT rgt
Nv of stepven time
6-10 sec