2013-10-23 Intro to Transfusion Medicine Flashcards
0
Q
Blood cell transfusion depends on pt’s __________ _________.
A
plasma antibodies
1
Q
How might an incorrect transfusion kill someone?
A
wrong trans -> DIC -> bleed out -> death
2
Q
Plasma transfusion depends on pt’s ________ _________.
A
RBC antigens
3
Q
Type A
- RBC surface antigens
- plasma ab’s
A
Type A
- A-antigen on surface
- Anti-B IgM in blood
4
Q
Type B
- RBC surface antigens
- Plasma Ab’s
A
Type B
- B-antigens on surface
- Anti-A IgM
5
Q
Type AB
- RBC Surface antigen
- Plasma Ab’s
A
Type AB
- A & B surface antigens
- no IgM
6
Q
Type O
- RBC surface antigen
- plasma Ab’s
A
Type O
- no RBC surface antigens
- both Anti-A and Anti-B IgM in plasma
7
Q
Who is universal blood donor?
A
Type O
8
Q
Who is universal blood recipient?
A
AB
9
Q
What type is universal plasma donor?
A
Type AB
10
Q
Who is universal plasma recipient?
A
type O
11
Q
How do you “type” blood?
A
Two ways:
FOWARD: “What RBCs antigens does my pt have?”
—mix blood w/ Anti-A, Anti-B, and Anti-AB; score 1-4 (4 = plug)
BACKWARD: “What plasma antibodies does my pt have?”
—mix plasma + reagent red cells
12
Q
How does one “cross-match” blood?
A
mix PT’s PLASMA with DONOR’s RBCs
13
Q
1) Pt presents with confusion, chest pain and Hb of 3.6. What is okay to transfuse? A. Type O RBCs B. Type AB RBCs C. Type O plasma D. Type AB Plasma
A
A
14
Q
- 2) Pt s/p hip transplant with Type A and Hb of 6.5 (DHMC transfuses when Hb
A
C
