Blood donor Screening Flashcards
What are the order of Blood Donation?
- Blood donor selection
- Blood collection
- Unit processing and component processing
- Compatibility testing/Pre-transfusion testing
- Blood transfusion
- **Transfusion reactions
What are the components included in Donor screening?
- medical history,
- physical examination,
- serological testing
Why is proper Donor selection important?
Keywords: Safe transfusion
Why is Medical History important in blood donation?
- to make sure the donor is well fit for donation, and
- to make
sure the blood is safe and - beneficial to the recipient of the blood
Give the 6 components for Physical examination:
- Weight
- Temperature
- Pulse
- Blood pressure
- Hemoglobin
- Hematocrit
Give the normal values for an Ideal donor based on these criterion:
- Weight
- Temperature
- Pulse
- Blood pressure
- Hemoglobin
- Hematocrit
- 110 lbs / 50kg (Standard)
- <37.5°C (99.5°F)
- 50—100bpm
Systolic: 90—160 mmHg (should not >180 mmHg)
Diastolic: 60—100 mmHg (should not >100 mmHg)
> 12.5 g/dL (125 g/L)
Autologous: >11 g/dL
> 38%
Autologous: >33%
What is the required ideal age of a blood donor?
Ages: 18-65 years old
Can a blood donor be the recipient?
Yes, especially in cases of surgery the patient may donate blood prior to a major surgery and is deemed as AUTOLOGOUS
How does a 17 years old able to donate blood?
With parent’s consent
How does a donor above 65 years old able to donate?
With physician’s consent
____________ donors should be informed of the procedure for
donating blood and its potential risks
Consent to donate
What should you do if the donor is weighing less than the requirement weight?
Perform volume adjustments.
decrease the blood to collect and AC in the primary bag
< 110 lbs/50 kg
Give the three equations for volume adjustments:
Maximum blood to donate:
Donor weight/Ideal weight (110lbs/50kg) x 450 mL
Volume of AC needed:
Maximum blood to donate/100 x 14
Volume of AC to be removed from the primary bag:
63 - (Volume of AC required)
Standard volume for anticoagulant
63 mL AC
TRUE or FALSE: A blood bag unit is an open system
FALSE; the Blood bag unit is a closed system to avoid contamination. Accessing the inner portion requires the use of needles, and upon removal of AC this is now considered and open system
Hemoglobin testing can be done on which qualitative and quantitative methods?
qualitative:
Copper sulfate (CUSO4) method
quantitative:
CBC
up to how many tests can CUSO4 be used?
up to 30 tests
give the acceptable results for CUSO4 method
drop of blood sinks w/in 15s is interpreted as >12.5 g/dL Hb; otherwise, if it suspends or floats it is interpreted as <12.5 g/dL Hb
Known as the “Donor Patient”
A donor who donates blood for his or her own use; AUTOLOGOUS DONORS
What do you mean by Deferrals?
Delayed transfusions
What does the acronym AABB stands for?
American Association of Blood Banking
Association of Advancement in the Blood and Biotherapies
Common deferrals:
Not feeling well
Drunk
Skin lesions at venipuncture site
- temporarily
- deferred for 12 hours
- deferred until fully recovered
3 days deferral
Aspirin-containing medications
2 weeks deferral
- Measles vaccine
- Mumps vaccine
- Polio vaccine
- Yellow fever vaccine
- Acute febrile illness
