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Flashcards in Blood Transfusion Deck (17)
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1
Q

one unit of PRBC will generally raise the Hgb and Hct by how much?

A
Hgb = 1 gm/dL
Hct = 3-4%
2
Q

what is FFP?

A

the fluid portion of one unit of human blood. contains plasma proteins and clotting factors

3
Q

for each unit of platelets administered, the count will increase by….

A

10-20,000

4
Q

what is cryo?

A

what is left after FFP is centerfuged (concentrated preparation of Factor VIII, XIII, Fibrinogin, and vWF

5
Q

what is autologous blood?

A

blood that is reimplanted in the donor

6
Q

which blood type is the universal donor and why?

A

O+ because it has no antigens

7
Q

which blood type is the universal recipient and why?

A

AB no antibodies

8
Q

what preservative in blood products acts as an anticoagulant by bind free Ca2+?

A

citrate

9
Q

How long can a unit of PRBCs be stored? FFP? Platelets? Cryo?

A
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
10
Q

how do you estimate a patients blood volume?

A
Females = 60-65
Males = 70-75
Children = 80-85
11
Q

what is the formula for allowable blood loss/

A

[ (Hcti - Hcta) / Hctavg] X EBV

12
Q

what is the volume and Hct of 1 unit of PRBC? Cell saver?

A

PRBC= 250-300mL & 70-80%

Cell Saver = 250mL (ish) & 65-70%

13
Q

what size is the standard filter on blood sets?

A

170 micron

14
Q

What is the most common cause for a major hemolytic transfusion reaction?

A

clerical error

15
Q

what is TRALI?

A

Transfusion Related Acute Lung Infection: leads to pulmonary edema

16
Q

in the face of a life-threatening hemorrhage and coagulopathy, what product is acceptable for administration to Jehovah’s Witness?

A

hetastarch

17
Q

what size filter is used for microaggregates?

A

20-40 microns