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This is the test that is done on the newborn's blood sample, usually in the setting of a newborn with jaundice. The test is looking for "foreign" antibodies that ... An important thing to remember is that the presence of a positive coombs' test in the lab does not necessarily result in hyperbilirubinemia in the infant.
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newborns.stanford.edu/Coombs.html
newborns.stanford.edu/Coombs.html
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Chapter 4: Hemolytic disease of the newborn ... In vivo, these antibodies destroy Rh D-positive fetal RBCs, but in vitro, they do not lyse cells or even cause agglutination, making them difficult to identify. Therefore, the Coombs test is used. This test uses antibodies that bind to anti-D antibodies.
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www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=rbcantigen&...
www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=rbcantigen&part=ch4
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Coombs test - Wikipedia, the free encyclopedia
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Coombs test (also known as Coombs' test , antiglobulin test or AGT ) refers to two clinical blood tests used in immunohematology and immunology. The two Coombs tests are the direct Coombs test...
en.wikipedia.org/wiki/Coombs_test
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The direct Coombs test also may be done on a newborn baby with Rh-positive blood whose mother has Rh-negative blood. The test shows whether the mother has made antibodies and if the antibodies have moved through the placenta to her baby.
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www.cigna.com/healthinfo/hw44015.html
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The diagnosis is made when the infant is A, B or AB and has a positive direct Coombs test and a positive indirect Coombs result for anti-A or anti-B. The mother will lack the ... Management of this condition follows that described elsewhere in this manual (see section on "Management Of Hyperbilirubinemia in the Newborn Period").
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www.uihealthcare.com/depts/med/pediatrics/iowaneonatolo...
www.uihealthcare.com/depts/med/pediatrics/iowaneonatologyhandbook/hematology/hemolyticdisease.html
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An abnormal (positive) direct Coombs' test means you have antibodies that act against your red blood cells. This may be due to: ... Erythroblastosis fetalis (hemolytic disease of the newborn)
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www.nlm.nih.gov/medlineplus/ency/article/003344.htm
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Antibody Tests (Coombs Test) ... If a pregnant woman with Rh-negative blood has a baby (fetus) with Rh-positive blood, Rh sensitization may occur. The baby may have Rh-positive blood if the father ... If sensitization happens, a fetus or newborn can develop mild to severe problems (called Rh disease or erythroblastosis fetalis).
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www.webmd.com/a-to-z-guides/antibody-tests
www.webmd.com/a-to-z-guides/antibody-tests
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OBJECTIVE: The objective of the study was to determine whether initiation of early phototherapy in positive direct Coombs' test (DCT) with ABO-incompatible newborns would prevent severe jaundice. ... Infants born at term and weighing >2000 g with ABO incompatibility and a positive DCT were included in the study. ... Infant, Newborn...
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www.medscape.com/medline/abstract/16034477
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RESULTS: Fifty percent of Coombs' test-positive infants had RCs <5% (within a normal range for a healthy newborn) and ETCOc = 1.8 +/- 0.34 parts per million (ppm) and likely did not exhibit hemolysis.
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www.medscape.com/medline/abstract/14654606
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