What Are The 3 Main Veins To Draw Blood

They are the cephalic median cubital and basilic veins.

Median antecubital vein located on the arm in front of the elbow. What are the 3 main veins to draw blood. There are three veins most commonly used in venipuncture or phlebotomy. If you re trying to draw blood from a hard to hit vein first tie a tourniquet about 4 inches above where you want to insert the needle.

The superior vena cava is the large vein that brings blood from the head and arms to the heart and the inferior vena cava brings blood from the abdomen and legs into the heart. For adult patients the most common and first choice is the median cubital vein in the antecubital fossa. These three veins are found in the antecubital area. These are the superficial veins found on the top of the hand.

Next palpate the arm rather than slap at it since slapping can give your patient a hematoma. 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. In addition watch for this vein rolling and being deep on patients who have a lot of subcutaneous fat. Cephalic vein shown in both forearm and arm it can be followed proximally where it empties into the axillary vein.

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Valves in these veins allow blood to flow from the superficial veins to your deep veins but not the other way. Commonly referred to as the antecubital or the ac it can be found in the crevice of the elbow between the median cephalic and the median basilic vein. The first step in drawing blood correctly is to identify the appropriate veins to puncture. Venous system diagram use this interactive 3 d diagram to explore the venous system.

However these veins will easily roll if not stabilized. You should draw blood in the following locations. Cephalic vein upper shoulder or side of the arm. Basilic vein under the arm.

For adult patients the most common and first choice is the median cubital vein in the antecubital fossa. The first step in drawing blood correctly is to identify the appropriate veins to puncture.