Challenges in Phlebotomy Flashcards
In venipuncture on children, there are 2 patients
Child & Parent
The puncture site for children under 1 year of age
Foot (heel)
Done by puncturing the skin and underlying capillaries
Capillary Puncture
Why is capillary puncture on earlobe not recommended?
Blood flow is not adequate
In warming the puncture site to increase the blood flow, how many times?
Seven times its normal blood flow (sevenfold)
Ideal temperature in warming site
42-degree Celsius
Why is the first drop of blood wiped away?
To avoid contamination with interstitial (tissue) fluid
Amount of blood filled in capillary tube
.5 mL
In micro collection order of draw, arrange in order
(other additive, lavender, blood gasses, red, green)
- Blood Gasses
- Lavender
- Green
- Other additive
- Red
Why can’t you perform capillary puncture in yellow tube?
Because the blood is exposed
The optimal depth for capillary puncture for premature infants
0.85mm
Optimal depth of capillary puncture for full-term infants
2mm
Excessive crying can result to?
Elevated WBC count
In heel stick collection, the heel should be warmed for _ minutes.
3 minutes
Patients who are on anticoagulant therapy are susceptible to?
Bleeding and Hematoma
What to do with resistant patients?
Convincing them will take time but they do have the right to refuse
For patients with damaged / collapsing veins, this is the best way to obtain blood
Using a syringe
For patient with damaged / collapsing veins, this works to draw blood but only small tubes can be used
Evacuated Tube System
If the needle is pierced all the way through the vein, insertion of the needle must be_
Angle greater than 15 degrees
If needle is only partially inserted into the vein, possibly because the needle is_
Inserted at less than 15-degree angle
Probing excessively can result to_
Hemolyzing of RBC
Patient should never be struck more than _ times by the same phlebotomist
2 times
The medical term for fainting
Syncope
Symptoms for syncope
- Pallor (paleness)
- Sweating
- Hyperventilation
