Compatibility Flashcards

1
Q

Also called compatibility testing

A

Pre transfusion testing

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2
Q

To select blood components tgatw ill not cause harm to the recipients and will have acceptable survival when transfused

A

Compatibiity testing

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3
Q

If properly performed compatibility test will confirm what

A

Abo compatibility bet component and recipients

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4
Q

Several components of compatibility testing

A
Proper soecimen collection
Reviewing pt transfusion history
Abo, rh and ab testing 
Cross matching
Actual transfusion
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5
Q

Can be divided into 3 categories

A

Pre analytical procedure
Serological testing
Post analytical procedure

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6
Q

Pre analytical phases

A

Pt identification
Soecimen collection
Review of pr history

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7
Q

3 serological test

A

Abo rh
Ab dection
Crossmatch

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8
Q

Blood transfusion process

A

Pre transfusion
Transfusion
Post transfusion

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9
Q

If ab are detected identification should be performed using panel cells

A

IS
37 deg
AHG

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10
Q

If ab is present ag is

A

Negative

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11
Q

This test to prevent transfusion reaction

A

Crossmatching

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12
Q

Kncrease invivo survival of red cell

A

Crossmatching

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13
Q

Double checks for abo errors

A

Crossmatching

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14
Q

Another method of detecting ab

A

Crossmatching

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15
Q

Routinely performed in labs

A

Major crossmatching

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16
Q

Not required by AABB since 1976

A

Minor rossmatch

17
Q

The plasma volume is small and abs will be diluted in recipient circulation

A

Minor crossmatching

18
Q

Most blood is transfused as packed cells having little ab

A

Minor crossmatching

19
Q

Donated units are tested for ab

A

Minor crossmatching

20
Q

Sa pling of the blood and eliminate having to open the actual unit

A

Segments

21
Q

What is the first tested in crossmatching

A

Abo/rh

22
Q

The 2nd performed

A

Ab screening

23
Q

This performed using pt serum and donor blood suspension

A

Immediate spin

24
Q

If ab are not detected this is an

A

Incomplete crossmatch

25
Q

Ag negative units found and x matched

A

Ab are dected

26
Q

Ab are detected all phases are detected

A

IS, AHG, 37deg

27
Q

When ab are detected this is called

A

Complete crossmatch

28
Q

Identify ab, perform complete crossmatch on units that are ag begative for ab

A

Alloab detected

29
Q

Perform a complete crossmatch on units that are ag negative for prior and new alloab. Rule out

A

Record if previous alloab

30
Q

No further testing needed, perform immediate spin or comouter crossmatch if units ordered

A

No alloab detected

31
Q

Types of compatibility tests

A
Manual IS AND IAT
Gel technology
Electronic crossmatch
Red cell affinity column technology
Solid phase adherence assay
32
Q

IS detect

A

RT reactive ab (auto, alloab, naturally occuring

33
Q

IAT detect

A

Igg ab (auto and alloab