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AP II- blood comp therapy part 2
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4 reasons to transfuse blood
1- extensive blood loss
2- inadequate perfusion
3- low Hgb
4- poor coagulation
For a 70 kg pt, after what amount blood loss should you send labs?
1-1.5 L
Define PRBC
Packed Red Blood Cells
PRBC is indicated for treatment of _______
anemia
What is the volume of 1 unit PRBC? (ml)
250-300 mL
What is the Hct % in 1 unit of PRBC's?
70-80%
What percentage of blood volume lost would indicatate
definite rapid
PRBC transfusion?
>40%
what Hgb level indicates PRBC transfusion?
less than
7 g/dL
How much will one unit of PRBC's increase hemoglobin and Hct?
Hgb- 1g/dL
Hct- 3%
Do you warm PRBC's before administration?
YES!
What fluid should not be used when admin PRBC's?
LR- Calcium can cause clotting
What size filter should be used when admin PRBC's?
150 microns
name the 3 types of PRBCS
washed
leukocyte reduced
irradiated
What is "WASHED PRBCS"? what is removed from this fluid?
centrifuged in saline
removes K+ excess
Who should receive "WASHED PRBCS"?
pt w/ hx of transfusion rxn
how long can "WASHED PRBCS" be stored?
24 hours
what is the most effective method of creating "Leukoctye-reduced" PRBC's?
filtered
"Leukoctye-reduced" PRBC's are given to avoid __________ febrile reactions.
nonhemolytic
"Leukoctye-reduced" type PRBC's are given to prevent sensitization of patients with ______ _______.
aplastic anemia
"Leukoctye-reduced" PRBC's are given to minimize transmission of what two viruses?
HIV and CMV
Cell saver produces what percent Hct from salvaged surgical field blood?
65-70%
should Cell saver blood be warmed?
No- it doesnt need to be
Cell saver blood should be filtered through a ___ micron filter
40
Should Cell saver be pressurized>?
NO!
what should never be clamped when using a cell-saver?
the delivery line
what is normal platelet level?
100-400k
platelet transfusion is indicated when plt count is < __________.
50,000 cells/mm^3
platelets are routinely given after what procedure and why?
cardiopulmonary bypass
restore normal coagulation
what 2 ways are platelets prepared?
multiple or single donor
initial does of platelet transfusion?
10cc/kg
how much will a "6 pack" whole blood platelet unit raise a platelet count?
30-50 x 10^9 /L
Should platelets be warmed or cooled?
NO to both
what size filter should be used for platelet transfusion?
150 micron
why should 20-40 micron filter not be used for platelet transfusion?
it will remove most of the platelets
What is Fresh Frozen plasma?
fluid portion obtained from a single unit of whole blood, frozen within 6 hours of collection. PLATELETS + PLASMA
FFP is indicated when PT, PTT or both are ___ times greater than normal
1.5
FFP can be used to reverse _______ therapy. ___ - ____ ml/kg is sufficient to cause this effect.
warfarin
5-8
10-15 ml/kg FFP will raise coagulation proteins what percentage?
25-30%
Author
Anonymous
ID
194569
Card Set
AP II- blood comp therapy part 2
Description
AP II monroe lecture part 2
Updated
2013-01-23T02:47:13Z
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