Blood Types

Blood Types1BLOOD TYPESBlood types are identified by certain antigens in red blood cellsType A RBCs carry the A antigenType B carry the B antigenType AB both A and B antigensType O NO antigens

2REACTION!!!Any blood type (antigen) other than that carried on ones RBCs is considered foreign The body will produce antibodies against it!

3Which antibodies (A, B, or both?) would someone with each blood type produce?Type AAnti-B antibodiesType BAnti-A antibodiesType ABNo antibodiesType OBoth Anti-A and Anti-B antibodies4Rhesus FactorCells also carry an antigen dubbed rhesus factor (Rh factor) first discovered in Rhesus monkeysIf present, Rh positiveIf absent, Rh negative

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6More than just A, B, and O antigensIf youve received a transfusion beforeORHad a child before

Things get a bit more complicated7There are over 20 different antigens on Erythrocytes!Start with a simple antibody panel (the three most common antigens)Look for a reactionIf negative, most likely can receive a transfusion without incidentIf positive, patients blood receives another battery of tests8Antibody reaction test

9If AB blood was given to someone with O blood...

10RBC AGGLUTINATION

11Erythroblastosis fetalis

12Sofrom whom can you receive blood?Type A: can receiveTypes A & O bloodType B can receiveTypes B & O bloodType AB can receiveTypes A, B, AB, & O blood The universal recipient!Type O can receiveType O blood only!TYPE O BLOOD: THE UNIVERSAL DONOR!!13Blood Types: A & O the highest

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