Blood Transfusion Flashcards
one unit of PRBC will generally raise the Hgb and Hct by how much?
Hgb = 1 gm/dL Hct = 3-4%
what is FFP?
the fluid portion of one unit of human blood. contains plasma proteins and clotting factors
for each unit of platelets administered, the count will increase by….
10-20,000
what is cryo?
what is left after FFP is centerfuged (concentrated preparation of Factor VIII, XIII, Fibrinogin, and vWF
what is autologous blood?
blood that is reimplanted in the donor
which blood type is the universal donor and why?
O+ because it has no antigens
which blood type is the universal recipient and why?
AB no antibodies
what preservative in blood products acts as an anticoagulant by bind free Ca2+?
citrate
How long can a unit of PRBCs be stored? FFP? Platelets? Cryo?
PRBC = 35 days (poss. up to 42) FFP = w/in 24 hrs of thawing Platelets = room temp for 5 days Cryo = w/in 2-4 hrs of thawing
how do you estimate a patients blood volume?
Females = 60-65 Males = 70-75 Children = 80-85
what is the formula for allowable blood loss/
[ (Hcti - Hcta) / Hctavg] X EBV
what is the volume and Hct of 1 unit of PRBC? Cell saver?
PRBC= 250-300mL & 70-80%
Cell Saver = 250mL (ish) & 65-70%
what size is the standard filter on blood sets?
170 micron
What is the most common cause for a major hemolytic transfusion reaction?
clerical error
what is TRALI?
Transfusion Related Acute Lung Infection: leads to pulmonary edema
