Blood and products Flashcards
1
Q
Pt/INR tests
A
factor 7 or warfarin
2
Q
PTT tests
A
2, 9, 10
3
Q
1 unit of PRBC is how many mL
A
300mL
4
Q
FFP is what
A
clotting factors
5
Q
what is in cryoprecipitate
A
Replaces fibrinogen, von Willebrand
factor, and some clotting factors
6
Q
What are the common
causes of thrombocytopenia
in the surgical patient?
A
Sepsis, H2 blockers, heparin, massive
transfusion, DIC, antibiotics, spurious lab
value, Swann-Ganz catheter
7
Q
What can be given to help
correct platelet dysfunction
from uremia, aspirin, or
bypass?
A
desmopressin
8
Q
What platelet count is
associated with spontaneous
bleeding?
A
<20K
9
Q
What should the platelet
count be before surgery?
A
> 50K
10
Q
When should aspirin administration
be discontinued
preoperatively?
A
At 1 week because platelets live 7 to 10 days (must use judgment if patient is at risk for stroke or MI; it may be better to continue and use excellent surgical hemostasis in these patients)
