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ABO discrepancies
| Question | Answer |
|---|---|
| anti A, 0 anti B, 0 A cells, 0 B cells, 0 | newborn, or elderly, maybe taking immunosuppressive drugs. Incubate at RT for 30 min, or at 4 degrees celsius for 15 min |
| Anti A, 4+ Anti B, 0 A cells, 1+ B cells, 4+ | subgroup of A: probably A2, react pt cells with anti A1-lectin. |
| Anti A 4+ Anti B 4+ A cells, 2+ B cells 2+ | rouleaux, myeloma pt--wash RBC, or use a saline dilution. Cold Autoantibody.... |
| Anti A, 4+ Anti B, 4+ A cells 1+ B cells 0 | subgroup of AB, probable A2B, use anti A1 lectin |
| Anti A, 4+ Anti B, 0 A cells, 0 B cells 4+ | A1 with potent anti H, confirm A1 group with anti A1 lectin |
| Anti A, 0 Anti B, 0 A cells, 4+ B cells 4+ | bombay , test with anti H lectin |
| Anti A, 4+ Anti B, 2+ A cells, 0 B cells, 4+ | group A with an aquired B antigen, check pt history. acididfy anti b reagent to pH 6.0 this would agglutinate only true B antigens not acquired B antigens |