Blood bank morgan & jessi


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Blood bank morgan & jessi

  1. 1. BLOOD BANK By: Morgan Kuhn And Jessi Vaught
  2. 2. Terminology • Antibody- Protein produced by exposure to antigen. • Antigen- Substance that stimulates the formation of antibodies. • Antiserum- Serum containing antibodies. • Blood Group- Classification based on the presence or absence of A or B antigens on the red blood cells. • Blood Type- Classification based on the presence or absence of the Rh (D) antigen on the red blood cells.
  3. 3. Antibody Antigen Blood Group Blood Type
  4. 4. Terminology Continued… • Compatibility Test/ Crossmatch- Procedure that matches patient and donor blood prior to a transfusion. • Cryoprecipitate- Component of fresh plasma that contains clotting factors. • Fresh Frozen Plasma- Plasma collected from a unit of blood and immediately frozen. • Immunohematology- The study of blood cell antigens and their antibodies. • Packed Cells(RBCs) – Blood from which the plasma has been removed. • Platelet Concentrate- Platelets from several units of blood combined in a single packet. • Unit of Blood- 405 to 495 ml of blood collected from a donor for a transfusion.
  5. 5. Compatibility Test
  6. 6. Crossmatch
  7. 7. Cryoprecipitate Immunohematology Packed Cells (RBCs) Unit of Blood
  8. 8. Fresh Frozen Plasma
  9. 9. Abbrevations • Ab- Antibody • ABO- Blood Groups • Ag- Antigen • AHG- Antihuman Globulin • BB- Blood Bank • CPD-A- Citrate Phosphate Dextrose Adenine • DAT- Direct Antihuman Globulin (AHG) Test • Rh- The D ( Rhesus) Antigen on Red Blood Cells • T & C- Type and Crossmatch • X-match- Crossmatch (compatibility test)
  10. 10. What is the Blood Bank? • Part of the laboratory. • Blood is collected • Blood is stored • Blood is prepared for transfusion • The Blood Bank is also called the Immunohematology because the testing procedures involve red blood cellantigens (Ag) and antibodies (Ab).
  11. 11. What happens in the Blood Bank? • Patients and donors are tested for: • Blood Group • (ABO) • Rh • The presence and identity of abnormal antibodies. • Compatibility for use in a transfusion. • Units of blood are collected from donors, tested for: • Blood-borne Pathogens • Hepatitis Viruses • Human Immunodeficiency virus • Units of blood are stored for transfusions. • Donor Blood can be separated in components such as: • Packed Cells • Platelets • Fresh Frozen Plasma • Cryoprecipitate
  12. 12. What happens in Blood Banks Continued… • Donor blood is stored separately. • It is used for patients with specific needs. • Patients may come to the blood bank to donate their own blood so that they can receive an autologous transfusion if blood is needed during surgery. • Blood Bank specimens are collected in plain red or pink top tubes. • Serum separator tubes containing gel are not acceptable , the gel coat will coat the red blood cells and interfere with testing. • Hemolysis will also interfere with the interpretation of test results. • Patient identification is critical in the blood bank • Phlebotomists must carefully follow all patient identification and specimen labeling procedures to ensure that a patient does not receive a transfusion with an incompatible blood type.
  13. 13. What are some test that are performed in the Blood Bank Section? • Tests that are most frequently performed and their function: • Antibody (Ab) Screen- It detects abnormal Antibodies. • Direct antihuman globulin test (DAT)- It detects abnormal antibodies on red blood cells. • Group and Type- ABO and Rh typing. • Panel- Identifies abnormal antibodies. • Type and crossmatch (T&C)- ABO, Rh typing, and compatibility test. • Type and screen- ABO, Rh typing, and antibody screen.