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SUMMARY:16.4 Blood Groups
DTSTART;TZID=America/Los_Angeles:20260407T190000
DTEND;TZID=America/Los_Angeles:20260407T200000
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DESCRIPTION: Blood groups present in the plasma of some individuals are antibodies that can cause agglutination (the clumping together) and subsequent haemolysis (breakdown) of the red blood cells received in blood transfusions. When such reactions occur, the types of blood are said to be incompatible. Clumps of cells may block small blood vessels in the lungs or brain causing serious complications. There are three major types of blood groups seen (A, B, O).
Rhesus factor The Rhesus factor may be absent or present in an individual's blood. Eighty-five per cent of people are Rh-positive, that is, they have the Rh antigen. Rh-negative persons have no Rh antigen. If the Rh antigen is transfused to an Rh-negative person, the production of anti-Rh factor (antibody) is stimulated. Should more Rh antigen be transfused, the Rh antigen combines with the anti-Rh antibody reacting to cause agglutination and haemolysis. If a mother who is Rh-negative has anti-Rh antibodies present in her blood and is...

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STATUS:CONFIRMED
SEQUENCE:3
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