Prepare the patient’s arm using an alcohol prep. Cleanse in a circular fashion, beginning at the site and working outward. Allow to air dry. Grasp the patient’s arm firmly using your thumb to draw the skin taut and anchor the vein. The needle should form a 15 to 30 degree angle with the surface of the arm.
Why is venipuncture important?
Venipuncture provides important information for diagnosis and monitoring throughout the course of treatment. The sterility of stored whole blood depends on three factors: aseptic technique, a sterile system for collection and storage, and immediate, continuous refrigeration.
What are the 3 methods of venipuncture?
Venipuncture can take place in a general medical practitioner’s office and is often carried out by a trained phlebotomist or nurse.
Three popular methods of blood collection are:
Arterial Sampling.Venipuncture Sampling.Fingerstick Sampling.
What is a venipuncture blood test for?
Listen to pronunciation. (VEE-nih-PUNK-cher) A procedure in which a needle is used to take blood from a vein, usually for laboratory testing. Venipuncture may also be done to remove extra red blood cells from the blood, to treat certain blood disorders.
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.
Which veins are appropriate for routine venipuncture?
Major arm veins used for phlebotomy. The median cubital vein is the larger and more stable vein and is preferred for venipuncture. The cephalic and basilic veins have a greater tendency to roll and veinpuncture may be more painful from these sites.
What is the most common method of venipuncture?
Select the appropriate vein for venipuncture. The larger median cubital, basilic and cephalic veins are most frequently used, but other may be necessary and will become more prominent if the patient closes his fist tightly. At no time may phlebotomists perform venipuncture on an artery.
What are the principles of venipuncture?
I. PRINCIPLE: The principle of the venipuncture procedure is to obtain quality blood specimens upon which the laboratory can perform testing.
What is the difference between venipuncture and phlebotomy?
In medicine, venipuncture or venepuncture is the process of obtaining intravenous access for the purpose of venous blood sampling (also called phlebotomy) or intravenous therapy.
What is syringe method?
Venipuncture with a syringe requires the nurse to exert aspiration pressure against the syringe plunger. This method involves inserting a hollow-bore needle attached to a syringe into the lumen of a large vein to obtain a blood specimen.
What is the meaning of phlebotomists?
/ fləˈbɒt ə mɪst / PHONETIC RESPELLING. College Level. noun Surgery. a specialist in phlebotomy. a nurse or other health worker trained in drawing venous blood for testing or donation.
What are the four different phlebotomy techniques?
Results. Four different ways of taking blood were observed: cannulation and a syringe (38%), cannula with evacuated tube and adaptor (42%), syringe and needle into vein (14%) and evacuated tube system used conventionally (6%).
What is another name for venipuncture?
Venipuncture: The puncture of a vein with a needle to withdraw blood. Also called phlebotomy or, more often, a blood draw.
Is venipuncture covered by insurance?
The venipuncture is not a separate procedure in this situation. Insurance does allow separate reimbursement for venipuncture when the only other lab services billed for that date by that provider are for specimens not obtained by venipuncture (e.g. urinalysis).
Where is antecubital?
The median cubital vein (antecubital vein) is a prominent superficial upper limb vessel. Its location is in the cubital fossa, on the anterior/flexor aspect of the elbow joint. This region of the upper limb is sometimes referred to as the antecubital area.
What does Hemoconcentration mean?
noun. an increase in the concentration of cellular elements in the blood, resulting from loss of plasma.
Which needle gauge is most commonly used for routine venipuncture?
21 Gauge Needles
21g needles are the most common gauge of needles used for routine blood draws and venipuncture. The gauge is small enough in which it does not cause any significant pain or discomfort during use.
