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  2. Coombs test - Wikipedia

    en.wikipedia.org/wiki/Coombs_test

    If clumping is seen, the Coombs test is positive; if not, the Coombs test is negative. [3] Common clinical uses of the Coombs test include the preparation of blood for transfusion in cross-matching, atypical antibodies in the blood plasma of pregnant women as part of antenatal care, and detection of antibodies for the diagnosis of immune ...

  3. Hemolytic disease of the newborn (anti-RhE) - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_disease_of_the...

    This test is run from cord blood. [3] In some cases, the direct Coombs will be negative but severe, even fatal HDN can occur. [29] An indirect Coombs needs to be run in cases of anti-C, [30] anti-c, [30] and anti-M. Anti-M also recommends antigen testing to rule out the presence of HDN. [22] Hgb – the infant's hemoglobin should be tested from ...

  4. Hemolytic disease of the newborn (anti-Rhc) - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_disease_of_the...

    Blood testing for the mother is called an Indirect Coombs Test (ICT) or an Indirect Agglutination Test (IAT). This test tells whether there are antibodies in the maternal plasma. If positive, the antibody is identified and given a titer. Critical titers are associated with significant risk of fetal anemia and hydrops. [14]

  5. Hemolytic disease of the newborn - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_disease_of_the...

    Positive direct Coombs test (might be negative after fetal interuterine blood transfusion) Blood tests done on the mother. Positive indirect Coombs test; Cell free fetal DNA (cff-DNA) from maternal plasma may be used early in pregnancy to determine whether the fetus expresses the red cell antigen to which the pregnant mother is alloimmunized ...

  6. Hemolytic disease of the newborn (ABO) - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_disease_of_the...

    Coombs - after birth, the newborn will have a direct Coombs test run to confirm antibodies attached to the infant's red blood cells. This test is run from cord blood. [5] In some cases, the direct Coombs will be negative but severe, even fatal HDN can occur. [15] An indirect Coombs needs to be run in cases of anti-C, [16] anti-c, [16] or anti-M ...

  7. Hemolytic disease of the newborn (anti-Kell) - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_disease_of_the...

    This test is run from cord blood. [2] In some cases, the direct coombs will be negative but severe, even fatal HDN can occur. [35] An indirect coombs needs to be run in cases of anti-C, [36] anti-c, [36] and anti-M. Anti-M also recommends antigen testing to rule out the presence of HDN. [26] Hgb - the infant's hemoglobin should be tested from ...

  8. Glucose-6-phosphate dehydrogenase deficiency - Wikipedia

    en.wikipedia.org/wiki/Glucose-6-phosphate_de...

    The Beutler fluorescent spot test is a rapid and inexpensive test that visually identifies NADPH produced by G6PD under ultraviolet light. When the blood spot does not fluoresce, the test is positive; it can be falsely negative in patients who are actively hemolysing. It can therefore only be done 23 weeks after a hemolytic episode. [23]

  9. Autoimmune hemolytic anemia - Wikipedia

    en.wikipedia.org/wiki/Autoimmune_hemolytic_anemia

    AIHA is a relatively rare condition, with an incidence of 5–10 cases per 1 million persons per year in the warm-antibody type and 0.45 to 1.9 cases per 1 million persons per year in the cold-antibody type. [4] Autoimmune hemolysis might be a precursor of later onset systemic lupus erythematosus. [5]

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