121514 hypercoagulable Flashcards
hemophilia
factor deficiency of 8,9,or 11
hemophilia A
factor 8 deficiency
lab eval of hemophilia A and B
prolonged PTT (corrects on 1:1 mix)
TT
thrombin time (you add thrombin to blood and see when it clots)
fxns of vWF
support platelet adhesion
carrier for factor 8
tx for von Willdbrand’s disease
desmopressin (DDAVP)–promotes vWF release from stores in endothelium
vit K dependent factors
2,7,9,10, protein C, protein S
what causes vit K deficiency?
drugs (warfarin, antibiotics)
malabsorption or dietary deficiency
liver disease
newborns
liver disease results in deficiency of what coagulation factors
procoagulants: 2,7,9,10, 5
anticoagulants: antithrombin, protein C, protein S
liver disease results in deficiencies in what?
multiple coag factors
thrombocytopenia (hypersplenism with clearance of platelets, decreased thrombopoietin production)