what sites should be avoided when performing venipuncture quizlet

\u00a9 2023 wikiHow, Inc. All rights reserved. What are the contraindications to venipuncture? Warning: Do not make lateral (side-to-side) movements with the needle. Move it forward (it may not be in the lumen). A key element for successful venipuncture is choosing the best vein. IF AN INCOMPLETE COLLECTION OR NO BLOOD IS OBTAINED: Change the position of the needle. The patient has the right to refuse participation in such activity. While hand veins may be utilized for blood draws and intravenous infusions, veins in the feet and legs should be avoided for adults. var iframe = document.getElementById("zf_div_SBGg-3DTNCwt65i9A6n_zU3SneyGD89SSqM_7F_nCas").getElementsByTagName("iframe")[0]; 2009 Feb;131(2):195-204. Ask the patient orcaregiver to state the patients name and date of birth. Have the patient make a fist and flex the arm, which helps engorge muscles to fill veins. 1-kg of R-134a initially at 600 kPa and 25C25^{\circ} \mathrm{C}25C undergoes a process during which the entropy is kept constant until the pressure drops to 100 kPa. Elderly patients often have fragile skin and veins that roll quite easily, When a vein rolls, the needle tends to push the vein aside rather than penetrating through. This is a general guide for troubleshooting a venipuncture scenario in which blood flow is not initially established upon needle insertion. Begin by selecting the proper, approved lancet, such as: BD Microtainer Quikheel Lancet, 2.5 mm for full-term babies (green), BD Microtainer Quickheel Preemie Lancet, 1.75 mm for neonatal, Unistick2 Neonatal 18G, 1.2mm Lancet for neonatal babies less than, Prepare the heel by cleaning it with a Chlorhexadine wipe. With risk for blood spatter a face shield provides protection. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Wait 2 minutes before reapplying the tourniquet. Clean the site to be punctured with an alcohol sponge. D. 70% isopropyl alcohol. PhlebotomyU offers Certified Phlebotomy Technician (CPT I) courses for aspiring phlebotomists. 2004;24(4):979-96, vii. Tetracaine is a substance used as a spinal anesthetic. Focus on what you do best, and find someone who can help you communicate that with your target market. f.style.transition="all 0.5s ease"; Reassure the patient that the minimum amount of blood required for testing will be drawn. Previous puncture sites should be avoided. Dorsal hand veins are often utilized for intravenous infusions but are viable options for blood draw sites. Certain larger molecules are not filterable into the tissue, therefore they are more concentrated in the blood. Basilic vein. Do not use excessive pressure or heavy massaging because the blood may become diluted with tissue fluid. The maximum number of times an individual should attempt a venipuncture on a patient is two, True or False? Have the patient position their arm on the armrest. What are the gold top containers used for? Fill the microtainer tube(s) as needed. 70% isopropyl alcohol (a) How would you prepare tetracaine from the corresponding aniline derivative, ArNH2_22? Veins on the underside of the wrist should be avoided. It is observed that if the tourniquet is left on longer than 2 minutes, changes in the value of a total protein test occur. Please enable cookies on your browser and try again. B. the needle is only partially in the vein 4. What is an Approved Phlebotomy School in California. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Label the collection tubes at the bedside or drawing area. PDF Selecting The Venipuncture Site - Yola Be sure to dispose of the lancet in the appropriate sharps container. This information must match therequisition. Capillary puncture should not be used. 5. List six areas to be avoided when performing venipuncture and the reasons for the restrictions. Follow institution's guidelines regarding treatment and follow-up. Avoid prolonged tourniquet application or fist clenching. It is not as close to the skin surface as the median cubital and cephalic veins, which poses a greater risk of damage to the median nerve and brachial artery. D. it is wiped with alcohol, Venipuncture at sites with each of the following could effect the results EXCEPT: This requisition form must contain the proper information in order to process the specimen. Know the identity and professional status of individuals providing service and to know which physician or other practitioner is primarily responsible for his or her care. Sites to avoid: Extensive scarring from burns or surgery The upper extremity on the side that a mastectomy was performed. Venipuncture Quiz Flashcards | Quizlet Venipuncture sites should be carefully assessed for contraindications, such as pain, wounds, decreased circulation, a previous cerebral vascular accident (CVA), dialysis fistulas, or a mastectomy on the same side. Dorsal hand veins are often utilized for intravenous infusions but are viable options for blood draw sites. 7. Diurnal variations associated with some blood components are: Avoid trauma and excessive probing. Precautions include a medical grade face mask. 5. Puncture no deeper than 2.4mm (approximately 0.1 inches). 3. Source of specimen. Cap, rotate and invert the microtainer to mix the blood collected. Try rotating the arm to better expose the cephalic or basilic vein. 9. 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. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Email is the #1 attack vector cybercriminals use to lure you into a malicious website. 4. } Sign up for wikiHow's weekly email newsletter. if ( (iframe.src).indexOf('formperma') > 0 && (iframe.src).indexOf(zf_perma) > 0 ) { The median cubital vein is used the most for its accessibility. Blood Specimen Collection and Processing Transferring a sample from one collection tube to another or mixing blood from different collection tubes must be avoided. The upper extremity on the side of a previous mastectomy - test results may be affected because of lymphedema. How many time should you invert them? A. EMLA Perform the venipuncture, collecting the sample(s) in the appropriate container(s). Diurnal Rhythms: Diurnal rhythms are body fluid and analyte fluctuations during the day. While most patients veins are compatible with a standard needle gauge, others require a. . Be careful not to withdraw the needle completely or else you risk losing the tube's vacuum and starting a hematoma when the bevel exits the skin. After the third attempt, further medical directions must be sought with the attending physician before proceeding. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Nursing Personnel. Sites that should be avoided include areas with extensive scarring, healed burns, inflamed sites, edematous sites, previous puncture sites, earlobes and thumbs. If possible, speak with the patient during the process. 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. Phlebotomy is the practice of drawing blood from patients to gather data about their health. Avoid a probing, traumatic venipuncture. puncture site downward and gently applying intermittent pressure to the surrounding tissue (or proximal to the puncture site when the blood is obtained from a finger). Proper labeling procedures and completion of laboratory requisitions. Additionally, a hematoma may compress the nerve and lead to long-term damage. 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. C. Lancet Certain other sites should also be avoided. However, if there is no alternative and an arm with an IV line in place must be used for venipuncture, try to choose a site away from and below the location of the IV. 23-gauge needles (e.g. Finally, when the necessary blood is collected, the needle will be removed and properly disposed of in a Sharps container and the puncture site will be covered to stop the bleeding. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\n<\/p><\/div>"}, 7 Easy Ways to Figure Out Your Blood Type (With or Without a Test). Venipuncture can also happen when patients have intravenous (IV) lines started. Automated systems may include labels with bar codes. What Is Venipuncture? window.addEventListener('message', function (){ Avoid excessive pressure that may squeeze tissue fluidinto the drop of blood. 4. Dalal BI, Brigden ML. C. placed in the sharps container This image may not be used by other entities without the express written consent of wikiHow, Inc.
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