What is routine venipuncture?
Collection of a capillary blood specimen (36416) or of venous blood from an existing access line or by venipuncture that does not require a physician’s skill or a cutdown is considered “routine venipuncture.”
What is the standard needle for routine venipuncture?
A straight multisample needle is typically 1 to 1.5 inches (2.5 to 3.8 cm) in length and the gauge ranges from 20 to 22. Multisample needles are the standard choice for routine venipuncture in a patient with normal, healthy veins.
What is the action needed to correct needle positioning in this venipuncture?
The needle should form a 15 to 30 degree angle with the surface of the arm. Swiftly insert the needle through the skin and into the lumen of the vein. Avoid trauma and excessive probing. When the last tube to be drawn is filling, remove the tourniquet.
Which complication is associated with leaving the tourniquet on an older patient’s arm for an extended time before a venipuncture?
A prolonged tourniquet time may lead to blood pooling at the venipuncture site, a condition called hemoconcentration.
Which vein can be used for routine venipuncture?
The antecubital area of the arm is usually the first choice for routine venipuncture. This area contains the three vessels primarily used by the phlebotomist to obtain venous blood specimens: the median cubital, the cephalic and the basilic veins.
Why is venipuncture used for routine blood analysis?
to monitor levels of blood components; to administer therapeutic treatments including medications, nutrition, or chemotherapy; to remove blood due to excess levels of iron or erythrocytes (red blood cells); or. to collect blood for later uses, mainly transfusion either in the donor or in another person.
What supplies are gathered for a routine venipuncture?
29 Cards in this Set
| Which additive prevents glycolysis? | a. EDTA b. Heparin c. Potassium oxalate d. Sodium fluoride | d. Sodium fluoride |
|---|---|---|
| The following supplies were gathered for a routine venipuncture. Which item is incorrect? | a. ETS tubes b. Iodine swab c. Safety needle d. Tourniquet | a. ETS tubes |
What size needles do phlebotomist use?
21-gauge needles are the most commonly used for venipuncture, while 16-gauge needles are commonly used for blood donation, as they are thick enough to allow red blood cells to pass through the needle without being broken; In addition, the thicker caliber allows more blood to be collected or delivered in a shorter …
What is the first step in routine blood collection?
The first step to the collection is to positively identify the patient by two forms of identification; ask the patient to state and spell his/her name and give you his/her birth date.
Do you keep tourniquet on when drawing blood?
Once sufficient blood has been collected, release the tourniquet BEFORE withdrawing the needle. Some guidelines suggest removing the tourniquet as soon as blood flow is established, and always before it has been in place for two minutes or more.
Which veins can be used for routine venipuncture?
What are the 3 veins used for venipuncture?
The most site for venipuncture is the antecubital fossa located in the anterior elbow at the fold. This area houses three veins: the cephalic, median cubital, and basilic veins (Figure 1).
