How do you do venipuncture step by step?

How do you do venipuncture step by step?

  1. Label the tube with the patient’s. particulars.
  2. Put tourniquet on the patient about. 3-4′ above the venipuncture site.
  3. Ask patient to form a fist so. veins are more prominent.
  4. After finding the vein, clean the.
  5. Assemble needle and vacuum.
  6. Insert the collection tube into the.
  7. Remove cap from needle.
  8. Use thumb to draw skin tight.

Why would you use a syringe for a venipuncture?

A Phlebotomist should be completely aware of the wide range of needles, tubes, etc. that they may encounter in the field, including: Syringe – syringes are used to collect blood from patients with small or fragile veins. Another tool that can be used in these situations is a butterfly needle.

What is the 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.

How do you transfer blood from a syringe to a tube?

Attach the syringe to a blood transfer device by twisting the needle tip into the hub of the device. Push a vacuum blood collection tube into the holder of the transfer device, and let the tube fill to the appropriate level.

What type of syringe must be used when using the syringe system to draw blood?

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.

What is the proper angle of needle insertion for venipuncture?

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. Swiftly insert the needle through the skin and into the lumen of the vein.

What are the advantages of syringe method?

An advantage of the syringe method is that blood appears in the hub when the vein has been entered. A disadvantage of the syringe method is that there is the potential for needle stick when depositing blood into the collection tube.

What is the difference between venipuncture by ETS and syringe method?

With the evacuated tube system, the blood is collected directly into the tube during the venipuncture procedure. With the syringe method, the blood from the syringe must be transferred into the tubes after collection.

Can you draw blood with a syringe?

By using a syringe and needle to draw the patient’s blood, you can control the pressure and speed at which the blood is removed by varying the rate that you pull back on the plunger. A syringe draw is a much more appropriate technique for you to use with veins that easily collapse.


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