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1
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- Immunohematology Applications
- Program for Clinical Laboratory Science
- Unit - 18
- Rh Blood Group System
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2
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- Reading assignment:
- Study unit on Instructor’s website www.andrews.edu/AHLE/awm
- Learning objectives:
- 2. Discuss the current genetic theory for the inheritance of Rh system
antigens.
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3
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- Learning objectives: continued
- 7. Explain the test for weak D and the importance of an appropriate
control.
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4
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5
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6
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7
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- Where are antigens found:
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8
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- Fisher-Race (CDE terminology)
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9
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10
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- About 80% of Rh negative patients who receive Rh positive red cells will
develop anti-D.
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11
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- When the D antigen is not detected using standard anti-D testing
procedures.
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12
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- When all of the D antigens (D, C, E, c, e) are missing
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13
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- Become sensitized by having an Rh positive baby and either during
pregnancy or at time of delivery some of the baby’s Rh positive red
cells get into mother’s circulation.
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14
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Notes
