Blood Banking/Products Flashcards
Composition of Blood
- mostly plasma and RBCs
- WBCs 3% and platelets 1%
Indications for Fresh Frozen Plasma
- vitamin K deficiency
- warfarin toxicity
- massive blood loss
- DIC (disseminated intravascular coagulopathy)
- multiple coagulation problems due to liver failure
Indications for Platelets
- thrombocytopenia (<10,000 if asymptomatic)
- massive blood loss
Indications for PRBCs
- hemodynamically unstable
- leukemic processes
- hemolytic anemia
- other anemias
- increase in O2 carrying capacity
- surgical or traumatic blood loss
Volume of 1 unit of PRBCs
250 mL
Presentation of Patient Needing PRBCs (signs, sxs)
- high pulse and RR
- HoTN
- low O2 sats
- dizziness, weakness
- angina
- altered mental status
What is albumin used for?
- not used often
- burn pts b/c they have lost a lot of fluid
What does albumin do when given to a patient?
-brings osmotic pressure of intra and extravascular space back to normal in hypovolemia and hyperproteinemia
What surface antigens and antibodies are present in type O blood?
- no surface antigen
- anti-A and anti-B antibodies
What surface antigens and antibodies are present in type A blood?
- A surface antigen
- anti-B antibody
What surface antigens and antibodies are present in type B blood?
- B surface antigen
- anti-A antibody
What surface antigens and antibodies are present in type AB blood?
- A and B surface antigens
- no antibodies
What is type and screen compatibility testing?
- recipient’s blood tested for its type
- also screened for atypical antibodies (Kell, Duffy, Lewis, MN, etc)
What is type and crossmatch compatibility testing?
- recipient’s blood tested for its type
- also screened for atypical antibodies (Kell, Duffy, Lewis, MN, etc)
- mix together sample of recipient and donor blood to look for agglutination (agglutination = BAD, no agglutination = compatible)
What is the universal donor for RBC?
O negative blood
