Which veins are commonly used for venipuncture blood draw?
1. Median cubital vein A superficial vein, most commonly used for venipuncture, it lies over the cubital fossa and serves as an anastomosis between the cephalic and basilic veins. 2. Cephalic vein Shown in both forearm and arm, it can be followed proximally where it empties into the axillary vein.
What are the 3 most common veins used to draw blood?
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.
Can you draw blood from hand veins?
Hand position: When collecting blood from a hand vein, it is best practice to position the patient’s hand slightly downward with the top of the hand facing you. The fingers of the patient’s hand should be rolled underneath, forming a loose fist.
What is the most common vein to draw blood from?
The median antecubital vein is the most common for blood draws. It is in the inner arm, anterior of the elbow joint. This vein is associated with minimal pain and is the most prominent when anchored. Located on the lateral portion of the arm, the cephalic vein is the second most common draw site choice.
Which vein should be avoided for venipuncture?
Foot veins are a last resort because of the higher probability of complications. Certain areas are to be avoided when choosing a site: Extensive scars from burns and surgery – it is difficult to puncture the scar tissue and obtain a specimen.
What to do if you can’t find a vein to draw blood?
If the venipuncture proves difficult because of a hard-to-find vein, pre-warming the antecubital area or rotating the wrist might help distend the vein and make it easier to find. If dehydration might be the cause, sometimes phlebotomists can ask the patient to drink water and return later to do the draw.
Why do my veins collapse when I have a blood test?
Your veins contain much of the fluids in your body, so if you haven’t had much to drink the day of your draw, those little fluid filled vessels will not be as easy to access and are more likely to collapse flat when a needle is inserted.
How do you know if a needle is in your vein?
(See illustration on following page.) Once you think you’re in a vein, pull the plunger back to see if blood comes into the syringe. If so, and the blood is dark red and slow moving, you know that you’ve hit a vein.
What happens if a needle hits a vein?
If needle insertion results in swelling and bruising, you’ve got a blown vein. It may sting and can be uncomfortable, but it’s harmless. The healthcare provider typically applies a little pressure to the injection site to minimize blood loss and swelling. After a few minutes, they clean the area to prevent infection.
What veins is most subjected to venipuncture?
Although the larger and fuller median cubital and cephalic veins of the arm are used most frequently, the basilic vein on the dorsum of the arm or dorsal hand veins are also acceptable for venipuncture. Foot veins are a last resort because of the higher probability of complications.
What is common vessel for venipuncture?
The most common vessel used for lizard venipuncture is the caudal tail vein, also called the ventral coccygeal vein. There are two different techniques commonly used to obtain blood from this vessel. These techniques include a lateral and ventral approach.
What is the vein used for VP or venipuncture?
Antecubital Fossa. The antecubital fossa is the area of the arm near the elbow.
What veins in the arm is most subjected to venipuncture?
also called the antecubital fossa 1.