Hematology: Blood Transfusions Flashcards
What could cause a potential adverse reaction?
- Plasma proteins
- Leukocytes
- Erythrocytes
- Thrombocytes
What is most often responsible for acute life-threatening anaphylactic reactions after a blood transfusion?
Plasma proteins
When is the most common sensitization for blood transfusions?
After a prior blood transfusion
What are the clinical signs of acute anaphylactic transfusion reactions?
- rapid onset of shock
- acute respiratory distress
- death
What animals can experience acute respiratory distress after a blood transfusion?
- humans
- Guinea pigs
- cats
What is a membrane attack?
Antibodies against membrane antigens
Leads to hemolysis
Can be life-threatening
How soon after a blood transfusion can a membrane attack occur?
Can occur within hours or days
What can in incompatible blood match cause?
- fever
- hemoglobinuria
- bilirubinemia
- bilirubinuria
- hemolytic anemia
- thrombocytopenia
- leukopenia
When should you get vaccines to blood donors?
- vaccines should be staggered
- MLV(modified live vaccine) can alter platelet numbers and function up to 2 weeks post vaccine
When should fecals, heartworm, and Hemobartonella tests be done on blood donors?
Every six months
How often should FeLV or FIV tests be done on blood donors?
Every six months
What blood tests should be done for blood donors?
- CBC
- PCV
- TP
What should you give to a blood donor as a supplement?
Vitamin B 12
How much and how often can a cat donate blood?
30 to 50 mL
Not more than once every 3 to 4 weeks
How much and how often can a dog donate blood?
5 to 10 mL/lb of body weight
Can donate multiple times a month
