Autoimmune Hemolytic Anemias (AIHAs)

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5 Terms

1
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What are the 3 main types of Autoimmune Hemolytic Anemias (AIHAs)?

1. Cold Agglutinin Disease (CAD)
2. Paroxysmal Cold Hemoglobinuria (PCH)
3. Warm Autoimmune Hemolytic Anemia

2
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What is Cold Agglutinin Disease (CAD)?

IgM to human RBC I antigen

3
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What is Paroxysmal Cold Hemoglobinuria (PCH)?

IgG coats RBCs at cold temperature

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What is Warm Autoimmune Hemolytic Anemia?

IgG coats RBCS at 37 C and cells are lysed

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What is the main diagnostic test for Autoimmune Hemolytic Anemias (AIHAs)?

Direct antiglobulin test (DAT; Direct Coombs test)