Blood groups and transfusion reactions
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2 homeostatic responses to blood loss
• Haemostasis- Vascular spasm, platelet plug formation, coagulation • Increasing production of RBC
Define erythropoiesis
Production of RBC
4 Blood groups and antigens and antibodies
People with blood group A have Antigens and B antibodies People with blood group B have B antigens and A antibodies People with blood group AB has AB antigens and no antibodies People with blood group O have no antigens and A&B antibodies
What is the blood type for universal recipients?
o negative
Define typing and cross-matching
• Identify the blood group you have 2. Mixing the donor and recipients blood for compatibily
3 types of transfusion reactions
• Anaphylactic reaction • Mild allergic reaction • Circulatory overload
What is a febrile reaction?
Reaction to WBC, platelets, or plasma protein from donor
What is haemolysis?
Destruction of RBC