Capillary Heel Stick Flashcards
(5 cards)
1
Q
When is a fingerstick used instead of venipuncture?
A
For patients over 2 years when veins are hard to locate, or for small blood volumes.
2
Q
What is the correct site for a heel stick?
A
Medial or lateral plantar surface of the heel (avoid center)
3
Q
Why is the first drop of blood wiped away during capillary collection?
A
It contains tissue fluid that can contaminate the sample.
4
Q
What is the order of draw for capillary specimens?
A
- EDTA, 2. Other additives, 3. Serum
5
Q
How long should warming devices not exceed in temperature?
A
No higher than 42°C (107.6°F)