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Three tests need to be undertaken  
 
Three tests need to be undertaken  
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1)The major test where 3 drops of plasma from the recipient and one drop of red blood cells from the donor are added together left for 1-3 minutes and then examined microscopically.  If this reaction shows there is agglutination the transfusion should not be performed.
 
1)The major test where 3 drops of plasma from the recipient and one drop of red blood cells from the donor are added together left for 1-3 minutes and then examined microscopically.  If this reaction shows there is agglutination the transfusion should not be performed.
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2)Minor test where 3 drops of donor plasma is added to 1 drop of recipient red blood cells. If agglutination occurs then transfusion can occur but with constant monitoring of the patient.
 
2)Minor test where 3 drops of donor plasma is added to 1 drop of recipient red blood cells. If agglutination occurs then transfusion can occur but with constant monitoring of the patient.
 
[[Category:Transfusion Medicine]]
 
[[Category:Transfusion Medicine]]
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