Question: What Is The Best Angle For Needle Insertion During Venipuncture?

What is the proper arm position for routine venipuncture?

Position the arm for venipuncture; support the arm on a firm surface; the arm should be in a downward position.

The patient can make a fist, but should not pump the hand open and closed.

Apply tourniquet.

Palpate the vein..

What is the most important step in doing a venipuncture?

Venipuncture is the process of collecting or “draw- ing” blood from a vein and the most common way to collect blood specimens for laboratory testing. It is the most frequent procedure performed by a phle- botomist and the most important step in this proce- dure is patient identification.

What is the most common antiseptic used in routine venipuncture?

The page below is a sample from the LabCE course Routine Venipuncture. Access the complete course and earn ASCLS P.A.C.E. -approved continuing education credits by subscribing online. The product used most often to cleanse and disinfect the site prior to venipuncture is 70% isopropyl alcohol in towelette form.

Which tube should be drawn first?

NOTE: All tubes sterile. Standard order of draw: BLOOD CULTURES, royal blue, red, light blue, SST (Gold), green, tan, yellow, pink, pearl, lavender. If a coag tube (light blue) is the only tube or the first tube to be drawn, a 5 mL discard tube must be drawn first.

How do you put a needle in a blood draw?

Insert the needle at a 15 to 30-degree angle into the vessel.If properly inserted blood should flash into the catheter. … Attach the needed tubes or syringes to remove the proper volume of blood. … Remove the needle from the patient’s arm and press down on the vessel with gauze.More items…•

How do you enter a vein?

Guidelines:To hold the needle, grasp the plastic “wings” between your thumb and first finger.Hold the needle with the hole (the bevel) facing up and the sharp point down. … Always enter the vein with the needle pointing toward the heart.Pierce the skin first at a 45 degree angle. … Enter the vein with a quick sure stick.

Does order of draw matter?

Conclusion: Order of Draw Conclusions for order of draw are that evidence suggests that K EDTA contamination does not occur when you have a closed draw that is a vacutainer needle and vacutainer adaptors with plastic tubes and lyophilized K EDTA.

Which blood culture do you draw first?

When drawing multiple blood samples from a line, always draw the blood culture first. Do not discard any blood from the line. Use this initial blood in the line, as this may be the best source if an organism is present.

What are the 3 main veins 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.

What is the correct order of blood draw tubes?

The correct order of draw follows:Blood culture tube or bottle.Sodium citrate tube (eg, blue closure)Serum tubes, including those with clot activator and gels (eg, red, red-speckled, gold closures)Heparin tube with or without gel (eg, dark green, light green, speckled green closures)More items…•

What is the correct way to end a venipuncture procedure?

Withdraw the needle. Place gauze over the venipuncture site. For straight needles, withdraw the needle and activate the safety device. For butterfly needles, activate the safety device (push button on butterfly) while the needle is still in patient’s arm. Apply pressure to site until bleeding stops.

What happens if the proper order of draw is not followed?

Not following the order of draw Contamination from other additives could interfere with test results. Plastic or glass serum tubes containing a clot activator may cause interference in coagulation testing. Always follow correct order of draw.

Why should blood not be collected from an arm with an intravenous IV line?

Blood that is drawn from a vein that has an intravenous (IV) line may be diluted by the IV fluid. This can ultimately affect the accuracy of the blood test results. Therefore, an arm containing an IV should not be used to draw blood specimens if it can be avoided.

Which vein should be avoided for venipuncture?

VENIPUNCTURE SITE SELECTION: 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 happens if a needle hits a vein?

A blown vein occurs when a needle punctures through the vein and causes it to rupture. It may sting and bruise, but it’s generally a minor injury that clears up within a few days.

How do you know if you hit a vein while injecting?

If you see blood in the syringe, it means you might have hit a blood vessel. This usually isn’t harmful. If you see blood in the bottom of the syringe (hub) before you push in the plunger, remove the needle without giving the medicine.