Blood Products And Transfusion Practice Flashcards Preview

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Flashcards in Blood Products And Transfusion Practice Deck (16):
1

What is anaemia?

Deficiency in primary signalling mechanisms
Bone marrow defect
Deficiency in the building blocks
Red cells defect, excessive destruction or shortened life span

2

How long is the life span of red blood cells?

35 days

3

How long do you have between blood being delivered on to the ward and starting a transfusion?

30 mins

4

How long does it take to transfuse a unit of blood?

4 hrs

5

What is the most compatible blood transfusion donor?

O

6

What is the most common donor for fresh frozen plasma?

AB

7

What are the blood products used and their ABO and rhesus matching?

Red cells = ABO, Rh and kell negative (female)
Platelets = ABO, Rh
Fresh frozen plasma = ABO
Granulocytes = ABO, Rh, HLA

8

What do you check when checking a pt for a blood transfusion?

Bedside independent checks
Wristband, pt confirmation, component label, component, transfusion prescription
Sign and document

9

What are the acute immune mediated adverse effects of a blood transfusion?

Acute haemolysis
Anaphylaxis
Transfusion associated lung injury
Febrile non-haemolytic
Urticaria

10

What are the acute non immune mediated adverse effects to a blood transfusion?

Bacterial contamination
Circulatory overload
Citrate toxicity

11

What are the delayed immune mediated adverse effects of a blood transfusion?

Delayed haemolysis
Transfusion associated GVHD
Post transfusion purpura

12

What are the delayed non immune mediated adverse effects of a blood transfusion?

Iron overload
Disease transmission

13

What is the normal platelet count?

125-400 x 10 to the power 9

14

When would irradiated blood products be used?

Hodgkin's lymphoma
Some cytotoxic chemotherapy
Some treatments that impair the immune system
Stem cell transplant setting

15

When would CMV negative blood products be used?

Pregnant women
Fetal and neonate transfusions

16

Why are red blood cells transfused?

To enhance the oxygen carrying capacity of the blood