Vocabulary
What is Edema?
Swelling caused by a collection of fluid in the spaces that surround the body's tissues and organs.
What is blood collected into?
Glass or Plastic tubes
Where is venipuncture site for the arm?
Antecubital space
What is the definition of the order of draw?
The order of draw refers to the sequence in which blood collection tubes should be filled to prevent contamination and ensure accurate test results.
What can you use as an alternative to a tourniquet?
Blood Pressure cuff pumped to 40 mm/Hg
What is Hematoma
A pool of mostly clotted blood that forms in an organ, tissue, or body space.
What is a Evacuated Tube Method?
The tubes have a vacuum (negative pressure) that when the tubes
are attached to a needle within a vein aids in the flow of blood
into the collection tubes
Why is labeling important?
Patient gets the right test results, patient does not need to come back to do the collection again, and there is no mixed ups.
What are the light blue top additives and how many times should it be inverted?
Additive Sodium citrate
Inverted 3 to 4 times.
What is the proper angle to venipuncture for a hand and arm?
15-30 degrees
What is a Antecubital space/ area?
A triangular area anterior to the elbow with the triangle's apex facing distally.
Why do we do the Syringe Method?
The syringe method is used for patients who have fragile veins that
collapse easily.
What happens when the label is incorrect?
The collection will be thrown away and test results will be invalid. Patient will need to come in to redo it.
What are the red top additives and how many times does it need to be inverted?
Additive CMP, Serum, & Chemistry
Inverted 5 times
What is a Iatrogenic Anemia?
Anemia caused by collecting too much blood from a patient by volume in a given amount of time
What is Hematocrit?
The amount of whole blood that is made up of red blood cells.
Why is the Winged Infusion (Butterfly) Method used?
Winged infusion device is used when a patient has veins that are small or difficult to access.
What do the lab generated labels contain?
The patients' identifying information (full name, DOB)
What are the gray top additives and how many times does it need to be inverted?
Additive Sodium fluoride, and sodium or potassium oxalate
Inverted 8 to 10 times
List all the factors that could affect the blood collection
tattoos, burns, edema, hematoma, IV's in the patient's arm
What is Hemoconcentration?
An increase in the concentration of blood cells resulting from the loss of plasma or water from the bloodstream.
Where should the tourniquet be placed for arm venipuncture and a wrist venipuncture?
Arm: Approximately 3-4 inches above the antecubital space.
Wrist: Above the wrist bone
What is the most important things to put on the label of the specimen?
Ordering Physician, Name of Specimen, Patient's full name, Patient's ID#, Patients date of birth, Date and time taken, and CPT initials.
What are the green top additives and how many times does it need to be inverted?
Additive Sodium heparin
Inverted 8 times
List ALL the supplies needed for an evacuated tube system
gloves, alcohol swabs, gauze pads/cotton ball, tape, tourniquet, needles, hub and blood collection tubes