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Frequently Asked Questions

How do you use A Vacutainer?

Insert the beveled needle at a 30-degree angle into the vessel. Once blood is seen in the tubing, connect the vacutainers or use a syringe to drawback. Properly label the tubes and send them to the laboratory for analysis. The first step in drawing blood correctly is to identify the appropriate veins to puncture.

How do you separate blood from plasma in A Vacutainer?

For serum, allow the blood to clot sixty minutes and separate by centrifugation. For plasma and whole blood, completely fill the Vacutainer whenever possible to eliminate dilution from the anticoagulant or preservative and immediately mix the blood by gently and thoroughly inverting the tube five to ten times. Separate plasma by centrifugation.

How to use winged blood collection set for venipuncture?

NOTE: When using a winged blood collection set for venipuncture and a coagulation tube is the first tube needed, first draw a discard tube (plain red top or light blue top). The discard tube does not need to be filled completely. 1. Assemble the necessary equipment appropriate to the patient’s physical characteristics. 2.

How to draw blood from a patient?

Drawing blood from a patient can be a daunting task but it also is a necessity for nurses. Here are the basic steps to drawing blood: The first step is to discuss with the patient what you will be doing and why as well as gather all the needed supplies. Next, identify the vein that you will be using.


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