Blood Collection Techniques Flashcards
What are the 3 methods of venipuncture?
- evacuated tube/vacutainer: normal or large veins
- syringe and needle: collapsing veins
- butterfly: small veins
What are some of the required items for a venipuncture order?
-ordering provider
- test and test code
- diagnosis code
- special specimen requirements
- patient demographics
- insurance or billing information
What does fasting mean for blood collections?
nothing but water for 8-12 hours before testing
What blood tests are affected by food?
triglycerides
glucose
What is basal state?
early morning specimen, 12 hours after the last ingestion of food or liquids
What is postprandial?
after a meal
What are the appropriate supplies for blood collections?
- gloves
- tourniquet
- alcohol wipes, swabs
- non-alcohol swabs
- non-sterile gauze
- cohesive wrap or paper tape
- butterfly needle, syringe needle, syringe, vacutainer needer and tube holder
- blood collection tube
- laboratory requisition
- cold packs
When should tubes be labeled?
before the beginning of the procedure
What information goes on the blood tube?
- patient’s first and last name
- date of birth
- ID number
- date of collection
- time of collection
- initials of person collecting specimen
What are the top 3 veins for blood drawing?
- median cubital
- cephalic
- basilic
When should feet veins be drawn?
deep vein thrombosis
How should the arm be positioned in venipuncture?
- arm extended
- form a straight line
- palm of hand facing upward
- fist with the OTHER hand under the elbow of the arm used for venipuncture
What should we cleanse the venipuncture site with?
70% alcohol
- circular motion, inside to out
- let air dry
What are tourniquets for?
hemostasis
- veins become engorged
Where does the tourniquet go?
3-4 inches above draw site