FINAL Phlebotomy Cards Flashcards
Prep for blood alcohol levels
To clean the site before drawing for a blood alcohol, use hydrogen peroxide not alcohol
Prep for fasting blood tests
Pt must be without food or drink for 8-10 hours. Water ok
Prep for blood cultures
Site must be cleaned with 70%-90% alcohol and then 2% iodine.
What is the most important step in vein puncture?
Identifying the patient.
Blood drawn on the wrong pt would be negligence.
Drawing on a pt who is refusing is considered battery
Tourniquet what do u do with it
Do not keep it in place more 2 minutes
Place 3-4 inches above puncture site
Correct order of draw
Young Little Boys Really Get Girls Labias Going
- Yellow.
- Light Blue
- Red.
- Gold, red/gray
- Green
- Lavender
- Gray
Yellow Top Tube
Sterile
Sodium chloride
For body fluids and blood cultures
Light Blue Tube
Sodium Citrate
Coagulation test
PT, PTT, INR
Red
No additives
For chemistries, serology (serum), HIV, ABO
Centrifuge- stand 30 minutes tests on serum (liquid part of blood)
Gold or red/gray
Has serum separator silicon gel (clot activator) SST
Stand 40 minutes before centrifuge
For RBC, plasma, Buffy coat
Whole blood left at room temp will clot in approx 20 minutes
Green
Sodium heparin or lithium heparin (anticoagulant)
For medication levels
Lavender
EDTA
For whole blood, Hg, Hct, CBC, ESR, and HbA1C
Gray
Potassium oxalate or Sodium fluoride ( anticoagulant)
Just glucose, drug screening, and alcohol screening
Royal Blue
Varies by manufactures
Lead, iron levels
Other tube info
Tube sizes vary, fill completely to insure proper proportion of additive to blood
Coagulation studies discard first drawn sample
Evacuation Tube Method
Medium to large veins
Vacuumed tubes, as blood is drawn into the tube by the force of the negative pressure, the pressure equalizes & blood stops
Syringe method
For small delicate veins
Can only obtain 10 ml blood
Transfer to tubes immediately
To make draws easier, what can you do?
Have Pt make a fist
Apply a warm soak
Butterfly (winged infusion set) method
Back of hand or smaller delicate veins
Drawing on a child
Can be into a syringe or evacuation tubes
21g - 25g 3/4 inch
What if a hematoma forms
If bleeding continues….
History of collapsed veins
Apply firm pressure for 3 minutes, apply ice, notify supervisor.
Bleeding con’ts after blood draw complete - apply pressure, elevate above head & use ice
Hx of collapsed veins (top & bottom of vein touch stopping blood) - do not use evacuated tube method, small vein protocol
Errors in blood draw that cause hemolysis
4
- Syringe to quickly
- tourniquet not loosened during draw
- removing needle before tube
- needle gauge too small (18 gauge needed for cmc)
Error causing hematoma
Hematoma. Large bruised area caused by blood leaking into surrounding tissues
- Needle goes through vein
- Remove needle with tourniquet on
- Not enough pressure applied after needle has been removed