Venipuncture Review Flashcards
In order to access an extremity for venipuncture on a patient with a prior mastectomy, what must one have to access the extremity involved in the lymph node removal?
Physician’s order
***What happens to the veins when a patient is apprehensive or is cold and fearful of the procedure?
The veins constrict and disappear making venipuncture more difficult
What type of information must one obtain from a patient prior the venipuncture procedure?
- Possible allergies
- Current medications
- Prior surgeries to include mastectomy with lymph node involvement
***What is the average range for the GFR, BUN and creatinine levels?
- GFR = 90 to 130
- BUN = 10 to 20 mg/dL
- Creatinine = 0.05 to 1.2 mg/dL
***As the gauge of the needle increases, the diameter of the bore: _____
decreases
***Which is larger an 18 gauge or a 22 gauge needle?
18 gauge
***What are the components to a needle?
- Hub – part that attaches to syringe
- Cannula/shaft – length of needle
- Bevel – slanted portion of needle tip
***Where are the veins typically located for IV access for use in radiologic examinations?
- Anterior forearm
- Posterior hand
- Antecubital space
***Are you allowed to use the anterior wrist for starting an IV?
No
-Could damage radial nerve
***Feet and legs for IV access require an order on all patients _________
3 years and older.
What equipment is needed for starting an IV?
??
***When applying the tourniquet, how far above the intended site of puncture must it be positioned?
6 to 8 inches
***How much should the BP cuff be inflated if using it to secure a site for venipuncture?
60 to 80 mm/Hg
What is the procedure for starting an IV?
??
***At what angle should the needle be placed when it is about to enter the skin’s surface?
20 to 30 degrees
