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what sites should be avoided when performing venipuncture quizlet

(Partial penetration may allow blood to leak into the soft tissue surrounding the vein by way of the needle bevel). If using a needle and syringe, avoid drawing the plunger back too forcefully. B. Betadine the chlorhexidine residue before tying a piece of gauze around the foot. (c) the rate of heat transfer. Capillary Specimens may be used immediately for point-of-care testing. Clin Lab. Sign up for wikiHow's weekly email newsletter. Additionally, a hematoma may compress the nerve and lead to long-term damage. This vein lies close to the surface of the skin and there is not a large nerve supply. Green Stress: May cause transient elevation in white blood cells (WBC's) and elevated adrenal hormone values (cortisol and catecholamines). 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. Use a smaller tube with less vacuum. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Most commonly, venipuncture will be performed on the Antecubital Fossa, or the inside of the elbow. Copyright 2023 - PhlebotomyU | Website Design & SEO by, Phlebotomy: 5 Tips on Finding Difficult Veins. Collect the drops of blood into the collection device by gently massaging, Avoid excessive pressure that may squeeze tissue fluid into the drop of, When full, cap and then gently invert the collection device 5-10 times to, Hold a gauze pad over the puncture site for a short time to stop the, Dispose of the contaminated materials and lancet in the appropriate waste, Place a band-aid on the patients finger or have someone continue to hold, gauze on the finger. Northfield, IL: College of American, NCCLS. Over time and with several repeated punctures, significant amounts of scar tissue builds up. It may be obstructing blood flow. In fact, many search engines provide the option to avoid dangerous sites by turning on a "safer" search. C. the needle has penetrated all the way through the vein 9. www.mlo-online.com is using a security service for protection against online attacks. Interruptions and distractions during medical encounters and procedures should be avoided. 1. Contains a gel separator and clot activator. Precautions include a medical grade face mask. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. Lippi G, Blanckaert N, Bonini P, Green S, Kitchen S, Palicka V, Vassault AJ, Mattiuzzi C, Plebani M. Causes, consequences, detection, and prevention of identification errors in laboratory diagnostics. D. all of the above, Common causes of hematomas that form during a venipuncture include: Hemoconcentration: An increased concentration of larger molecules and formed elements in the blood may be due to several factors: Prolonged tourniquet application (no more than 1 minute). Pediatric Pointers. Center for Phlebotomy Education, Inc. Ernst, Dennis J. and Catherine Ernst. A. Edema Gloves are to be discarded in the appropriate container immediately after the bloodcollection procedure. Have the patient make a fist and flex the arm, which helps engorge muscles to fill veins. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 12. 4. -tourniquet What can happen if you vigorously shake the tubes? Butterflies are incredibly valuable tools for tackling difficult draws, owing to their precision, shorter shaft length, and maneuverability. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Preanalytical phase of the testing process begins for the laboratory when a: Test is ordered by a patient's physician. Allow to air dry. An artery has been punctured (characterized by bright red, pulsating blood), A nerve has been nicked (patient may complain of an electrical sensation up and down the limb), A hematoma starts to form (a bubble under the skin starts to rapidly appear at the site), The patient loses consciousness or starts seizing. Clinical and Laboratory Standards Institute. Approach the patient in a friendly, calm manner. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Capillary puncture should not be used. Document that the venipuncture was performed distal to (below) an infusion site. Effects of Exercise: Muscular activity has both transient and longer lasting effects. For an inpatient the nursing staff can be contacted to aid in identification prior to proceeding. Previous puncture sites should be avoided. 7. Avoid a probing, traumatic venipuncture. NOTE:Tubes with additives must be thoroughly mixed. Apply the tourniquet approximately 4-5 finger-widths above the planned venepuncture site. C. After all specimens have been collected Gloves are to be worn during all blood collection procedures, and changed betweenpatient collections. As part of presenting a professional appearance, an institutional dress code may include wearing of a laboratory coat or smock. 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. Palpate and trace the path of veins with the index finger. Stop the procedure if a hematoma occurs. The first drop contains excess tissue fluid and must be wiped away. C. laws This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. remove needle -cotton sponges Similarly, it's quite easy to get lost in a "Wikipedia wormhole." Indeed, Wikipedia's depth is infinite, as you link from subject to subject, never able to stop. Our courses are designed to provide students with the skills and knowledge necessary to work in a variety of medical settings including: Hospitals, Clinical Laboratories, Clinics, Physicians Offices, Blood Banks and much more. try{ Last draw - additive tubes in this order: SST (red-gray or gold top). 5. 2019;95(1):15-19. doi: 10.1016/j.diagmicrobio.2019.04.001. This article has been viewed 43,712 times. 8. Describe and perform the venipuncture process including: Appropriate clothing and protective equipment. 4. f.style.border="none"; The use of a tourniquet during a venipuncture procedure makes: A. Remove your gloves and wash your hands. In this elbow pit, phlebotomists have easy access to the top three vein sites used in phlebotomy: Median cubital vein. As a countermeasure, phlebotomists anchor the vein with their hand to stabilize it for the draw. 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. Lippi G, Salvagno GL, Montagnana M, Franchini M, Guidi GC. If using a syringe, make sure the needle is fitted securely on a syringe to avoid frothing. These may include listening to music or a story, watching a video, playing with a toy, having a parent provide distraction with talk or touch, using flash cards, and squeezing a rubber ball. Some images used in this set are licensed under the Creative Commons through Flickr.com.Click to see the original works with their full license. Too tight of a tourniquet may cause the vein to collapse upon needle insertion. catheter size for the vein, or prolonged use of the same I.V. www.mlo-online.com is using a security service for protection against online attacks. 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. Recognize complications associated with the phlebotomy procedure. The area where the blood is to be drawn from is first cleaned with a germ-killing solution. PhlebotomyU offers Certified Phlebotomy Technician (CPT I) courses for aspiring phlebotomists. 2. Dispose of contaminated materials in appropriate waste receptacles. Avoid trauma and excessive probing. Previous puncture sites should be avoided. Position the patient. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Position the patient's arm in a comfortable extended position that provides adequate access to the planned venepuncture site. Do not use excessive pressure or heavy massaging because the blood may become diluted with tissue fluid. B. the needle is only partially in the vein Recommended order of collection for microtainer specimens: 7. 6. A government issued photo identification card such as a driver's license can aid in resolving identification issues. How many time should you invert them? As a phlebotomist, it is critical to know which vein sites offer stable flows for blood draws. After assembling the appropriate equipment, follow the next steps to perform a proper venipuncture. Needle disposal unit - needles should NEVER be broken, bent, or recapped. Tip: BD Vacutainer tubes use a translucent stopper to identify short draw variants. Gas tubes (must warm the site before collecting the specimen), 4. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. In this elbow pit, phlebotomists have easy access to the top three vein sites used in phlebotomy: The median cubital vein, also known as the antecubital vein, is the most common vein for phlebotomy. Do not place too tightly or leave on more than 2 minutes (and no more than a minute to avoid increasing risk for hemoconcentration). Certain other sites should also be avoided. Although the skill set and procedures may apply to both instances, this content is primarily aimed towards venous blood collection using evacuated tube systems (e.g.

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