what sites should be avoided when performing venipuncture quizlet

\u00a9 2023 wikiHow, Inc. All rights reserved. Contains acid citrate dextrose. Drawing the patient in a reclined position. wikiHow is where trusted research and expert knowledge come together. 11. 5. The first step to choosing the right vein is to select the appropriate needle gauge. To prevent hemolysis (which can interfere with many tests): Mix tubes with anticoagulant additives gently 4-6 times, Avoid drawing the plunger back too forcefully, if using a needle and syringe, or too small a needle, and avoid frothing of the sample. For most clinical examinations the blood is obtained: The vacuum (evacuated) tube system (vacutainer) requires the following components: The healthcare worker needs essential items for either venipuncture or microcollection. Press down on the gauze once the needle is out of the arm, applying adequate pressure to avoid formation of a hematoma. Asking the patient about their previous blood draw experiences is beneficial, especially if they are a hard stick and know which area works best. Capillary puncture should not be used. (See Use of Band-Aids in the Post Phlebotomy. Blood Specimen Collection and Processing It is not uncommon for adults and children to feel some fear when having blood drawn, which is why any discussion of venipuncture should at least bring this topic to focus. Squeeze puncture site to promote bleeding. 70% isopropyl alcohol Penetrate the skin at a 30 to 45 angle at first (even less with a butterfly), then once you get a flash, reduce the angle by bringing the needle assembly down closer to the arm and advance the needle a tiny bit further into the vein. B. evacuated tube 1. Palpate and trace the path of veins with the index finger. If you stick yourself with a contaminated needle: Remove your gloves and dispose of them properly. chemistries, serology, immunnology, blood bank. The service requires full cookie support in order to view this website. Adhesive bandages / tape - protects the venipuncture site after collection. What are the gray top containers used for? Venipuncture requires good skills in order to perform the procedure not only correctly, but also painlessly. The rubber stoppers are color coded according to the additive that the tube contains. 1. Adapted from Phlebotomy for Nurses and. Arteries pulsate, are very elastic, and have a thick wall. It is large and near the skins surface, making it easier for phlebotomists to see before anchoring the vein. Select the proper approved lancet: The BD Microtainer Contact-Activated. What are the green/lavender top containers used for? D. all of the above, Julie S Snyder, Linda Lilley, Shelly Collins, Zoology Chapter 16 & 17: Invertebrate Deutero. The first attempt is the antecubital fossa area, starting with the median cubital vein, then the cephalic vein, and the basilic vein. Do not place too tightly or leave on more than 2 minutes (and no more than a minute to avoid increasing risk for hemoconcentration). f.style.border="none"; Collect drops of blood into the collectiondevice by gently massaging the heel. Patient care following completion of venipuncture. (c) How would you prepare tetracaine from benzene? Wear gloves and a lab coat or gown when handling blood/body fluids. You may also remove the tube, wait a few seconds for blood flow to resume, and then engage a short drawtube. Airborne precautions may be considered to provide a level of safety against infectious diseases such as tuberculosis, influenza, and COVID-19. outstretched or raised Also consider adjusting the angle of the needle. The median cubital creates less bruising and pain than other draw sites. 5. The equipment used during the venipuncture test can vary, but the following are most commonly used for routine venipuncture: Phlebotomists may choose to draw blood from several different sites of the body. Syringes - may be used in place of the evacuated collection tube for special circumstances. D. 70% isopropyl alcohol. BD Eclipse green-capped) is used for most routine and uncomplicated venipunctures. The key elements in labeling are: NOTE: Both of the above MUST match the same on the requisition form. The sides and the tip of the. 7. If the puncture is parallel to the lines of the fingerprint, theblood will not form as a drop but will run down the finger making collection difficult. If there is a concern regarding contamination by tissue fluids or thromboplastins, then one may draw a non-additive tube first, and then the light blue top tube. 9. If an inpatient is able to respond, ask for a full name and always check the armband or bracelet for confirmation. Best practices in capillary blood collection - Medical Laboratory Observer Collection tubes can vary in size for volume of blood drawn, appropriate to the tests ordered with sample size required, and vary in the kind of additive for anticoagulation, separation of plasma, or preservation of analyte. Patients who are dehydrated, obese, terminally ill, or hard sticks often get their blood drawn in other locations rather than the antecubital fossa. Be methodical in your search for a vein. Warning: Do not make lateral (side-to-side) movements with the needle. Place a pillow under the patient's arm if additional support is needed. Normal reference ranges are often noted according to age. Proper labeling procedures and completion of laboratory requisitions. When using a syringe avoid drawing the plunger back too forcefully. Fasting, dietary restrictions, medications, timing, and medical treatment are all of concern and should be noted on the lab requisition. increase the circulation of blood to the area. Never draw above an IV site. Kiechle FL. Lancets are disposed of in an appropriate sharps container as one unit. C. placed in the sharps container Phelan MP, Reineks EZ, Berriochoa JP, Schold JD, Hustey FM, Chamberlin J, Kovach A. NHA Exam Questions Flashcards | Chegg.com Last draw - additive tubes in this order: SST (red-gray or gold top). Phlebotomy Exam Questions - TAU Assess the patient's physical disposition (i.e. What angle should you insert the needle at? However, blood samples that are normally taken are actually very small. In this elbow pit, phlebotomists have easy access to the top three vein sites used in phlebotomy: Median cubital vein. Gauze sponges - for application on the site from which the needle is withdrawn. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. However, do not use too high a temperature warmer, because baby's skin is thin and susceptible to thermal injury. Wash hands in warm, running water with an appropriate hand washing product, or if notvisibly contaminated, with a commercial foaming hand wash product before and aftereach patient collection. Some DNS services support web filtering, too. Label all appropriate tubes at the patient bedside. What equipment is needed for a venipuncture? The use of a tourniquet during a venipuncture procedure makes: A. Use a smaller tube with less vacuum. Blood collection tubes must be drawn in a specific order to avoid cross-contamination of additives between tubes. Warm the heel from which blood is to be obtained. Lightly touch the microtainer capillary collection device (or filter paper) to the LARGE drop of blood. Place labeled specimens in zip lock bag and deliver to the laboratory as soon as possible. Giavarina D, Lippi G. Blood venous sample collection: Recommendations overview and a checklist to improve quality. Clin Lab. Inadvertently nicking a nerve causes intense pain. Performing a venipuncture on a child under one year of age . Am J Clin Pathol. Since newborns do not often bleed immediately, use gentle pressure to produce a rounded drop of blood. A. What are the complications that can occur when performing a venipuncture?