Blood Transfusions - Answers

Arlo Guthrie — Mon, 20 Apr 2009 08:39:46 GMT

Current Revision posted to Revision Guide For Student Nurses - Part 2 by Arlo Guthrie on 4/20/2009 8:39:46 AM

ANSWERS

What are the 2 main indications for a blood transfusion?
- Provision of oxygen transport (following acute haemorrhage, acute haemolysis or chronic anaemia).
- Provision of clotting factors (following acute Warfarin poisoning).
How much blood may safely be obtained from a donor cat or dog?
10-20mls/kg can be collected from a dog, while a total of 40mls can be collected from a cat.
What anticoagulants are used for transfusion blood?
- Acid citrate dextrose (blood can be stored at 4° C for up to 3 weeks).
- Citrate phosphate dextrose (blood can be stored at 4° C for up to 4 weeks).
How is plasma stored?
Frozen at -70° C. It may be stored at this temperature for up to 6 months.
Dogs of the blood group DEA 1.1 -ve and DEA 1.2 -ve are very useful; why?
They are universal donors.
How does a blood administration set differ to a normal fluid infusion set?
It incorporates a nylon net filter to remove any aggregated red blood cells or other coagulation debris.
What are the signs of a transfusion reaction?
- Facial oedema.
- Vomiting.
- Tachypnoea.
- Tachycardia.
- Salivation.
- Pyrexia.
- Tremors.
- Haematuria.
- Uticaria.
- Pruritis.
- Haemolytic anaemia.
- Convulsions.
- Coma.
A practical task: the blood transfusion accompanies this module

Arlo Guthrie — Mon, 20 Apr 2009 08:39:21 GMT

Revision 1 posted to Revision Guide For Student Nurses - Part 2 by Arlo Guthrie on 4/20/2009 8:39:21 AM

ANSWERS

What are the 2 main indications for a blood transfusion?
- Provision of oxygen transport (following acute haemorrhage, acute haemolysis or chronic anaemia).
- Provision of clotting factors (following acute Warfarin poisoning).
How much blood may safely be obtained from a donor cat or dog?
10-20mls/kg can be collected from a dog, while a total of 40mls can be collected from a cat.
What anticoagulants are used for transfusion blood?
- Acid citrate dextrose (blood can be stored at 4° C for up to 3 weeks).
- Citrate phosphate dextrose (blood can be stored at 4° C for up to 4 weeks).
How is plasma stored?
Frozen at -70° C. It may be stored at this temperature for up to 6 months.
Dogs of the blood group DEA 1.1 -ve and DEA 1.2 -ve are very useful; why?
They are universal donors.
How does a blood administration set differ to a normal fluid infusion set?
It incorporates a nylon net filter to remove any aggregated red blood cells or other coagulation debris.
What are the signs of a transfusion reaction?
- Facial oedema.
- Vomiting.
- Tachypnoea.
- Tachycardia.
- Salivation.
- Pyrexia.
- Tremors.
- Haematuria.
- Uticaria.
- Pruritis.
- Haemolytic anaemia.
- Convulsions.
- Coma.
A practical task: the blood transfusion accompanies this module