what sites should be avoided when performing venipuncture quizlet

Clean up any blood spills with a disinfectant such as freshly made 10% bleach. PROBLEMS OTHER THAN AN INCOMPLETE COLLECTION: A hematoma forms under the skin adjacent to the puncture site - release the tourniquet immediately and withdraw the needle. 6. The area where the blood is to be drawn from is first cleaned with a germ-killing solution. The area of the arch should be avoided, as should the posterior, curvature of the heel; a puncture in these areas could cause injury to the, All babies in the neonatal unit must be warmed before performing a. puncture. Interruptions and distractions during medical encounters and procedures should be avoided. Certain other sites should also be avoided. Palpate and trace the path of veins with the index finger. 4. Phlebotomy is not a one size fits all; each patient is different and may have their blood drawn at other sites with varying needle sizes. PST (light green top). If it is then heated, what can you say about: b) how often the molecules hit the walls of the can. In this elbow pit, phlebotomists have easy access to the top three vein sites used in phlebotomy: Median cubital vein. For example, Google offers SafeSearch that can block explicit search results like porn, and it works for all image and video searches, as well as news and general search content. 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. Make sure the venipuncture site is dry before proceeding with draw. What are the light blue top containers used for? www.mlo-online.com is using a security service for protection against online attacks. Blood is commonly obtained from the median cubital vein on the anterior forearm. A face mask reduces risk for blood culture specimen contamination. Clin Chem Lab Med. ACDA or ACDB (pale yellow top). 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. When 25.0 mL of 0.500 M H2S04 is added to 25.0 mL of 1.00 M KOH in a coffee-cup calorimeter at 23.50C23.50 ^ { \circ } \mathrm { C }23.50C the temperature rises to 30.17C30.17 ^ { \circ } \mathrm { C }30.17C . The median cubital vein is used the most for its accessibility. After the needle selection, phlebotomists begin to look and feel for a viable vein. Prepare the equipment, the patient and the puncture site. WHO guidelines on drawing blood: best practices in phlebotomy. 3. 5. Perform the venipuncture. and "What is your date of birth?". Venipuncture requires good skills in order to perform the procedure not only correctly, but also painlessly. 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). C. at a mastectomy site finger should be avoided. Is the seating comfortable and has the patient been seated for at least 5 minutes to avoid being rushed or confused? A needle is then gently inserted into the vein. C. all disposable equipment has been discarded properly Although the larger and fuller median cubital and cephalic veins of the arm are used most frequently, the basilic vein on the dorsum of the arm or dorsal hand veins are also acceptable for venipuncture. Stabilize the needle as you're inserting your tubes. f.style.transition="all 0.5s ease"; Other draw sites, particularly below the waist, are rarely used. If you are using a butterfly, try to retie the tourniquet around the patient's arm to increase pressure and re-establish blood flow. Dorsal hand veins are often utilized for intravenous infusions but are viable options for blood draw sites. }, false); Several veins in the antecubital fossa provide excellent access. -hemorrhage/hematoma. Try another tube. (b) the power developed by the output shaft. 1. The upper extremity on the side of a previous mastectomy - test results may be affected because of lymphedema. diet, exercise, stress, basal state). Reassure the patient that the minimum amount of blood required for testing will be drawn. Observe universal (standard) safety precautions. Joslin JO. containers. Confidentiality of all communications and other records pertaining to the patient's care. The first step to choosing the right vein is to select the appropriate needle gauge. Identify the additive, additive function, volume, and specimen considerations to be followed for each of the various color coded tubes. 1. If the patient is sitting in a phlebotomy chair, make sure they are sitting upright with their back against the chair. (See picture.) jugular) or a central venous catheter is out of the scope of practice of a certified phlebotomist and should only be performed by a physician or advanced nurse. Consult the nursing unit or your facility's resources prior to drawing from an IV or PICC line or performing venipuncture on an arm with an IV line in place. Then the medical technician or phlebotomist will wrap a flexible band on the upper part of the arm to apply some pressure to that area making the vein enlarge with blood. After assembling the appropriate equipment, follow the next steps to perform a proper venipuncture. 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. Describe and perform the venipuncture process including: Appropriate clothing and protective equipment. Do not use excessive pressure or heavy massaging because the blood may become diluted with tissue fluid. The blood is normally drawn from a vein on the top of the hand or from the inside of the elbow. Remove the first glove so that it turns inside out during removal A phlebotomy technician is preparing to dispose of contaminated sharps. Allow another large drop of blood to form. Apply firm pressure. Wipe away the first drop of blood with a piece of clean, dry cotton. Apply blood to the printed side of the filter paper. Precautions include a medical grade face mask. When working with patients who have undergone a mastectomy, draw from the arm on the opposite side of the mastectomy to avoid edematous tissue. % of people told us that this article helped them. 1. A clinical study is performed to determine the optimal time for application of the tourniquet during phlebotomy. Compare and contrast the two major types of neuronal pathways. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. The index finger can be calloused or sensitive and the little finger does not have enough tissue to prevent hitting the bone with the lancet. 5. Subcutaneous tissue feels squishy and muscle feels hard. Use of hair nets and face masks to decrease blood culture contamination rates. Fill the microtainer tube(s) as needed. Tip: If you realize you've collected in the wrong order of draw, remove the tube, insert the correct one, fill it halfway before discarding it, then insert a new tube and fill it completely. If using a syringe, make sure the needle is fitted securely on a syringe to avoid frothing. Hematoma - A venipuncture should not be performed on a hematoma, regardless of how small it may be. Never draw above an IV site. antecubital fossa What are the best veins for venipuncture? 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\u00a9 2023 wikiHow, Inc. All rights reserved. 1. Larger tube sizes typically provide for collection of samples from 6 to 10 mL. })(); The cephalic vein is a safe secondary option if the median cubital vein is not working. 11. Povidone-iodine wipes/swabs - Used if blood culture is to be drawn. Notify your supervisor or patientsphysician if unsuccessful. Adjust the angle (the bevel may be against the vein wall). D. Near a tattoo, Needles are used once and then: site. Follow the same procedure as for performing a finger, Order of Draw for a Capillary Puncture: Proper collection of tubes when. 3. C. placed in the sharps container Gloves - can be made of latex, rubber, vinyl, etc. EDTA and sodium citrate tubes should still be filled to the marked fill line to ensure a correct blood-to-additive ratio. The Patient's Bill of Rights has been adopted by many hospitals as declared by the Joint Commission on Accreditation of Healthcare Organizations (JCAHO). wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Blood collection tubes must be drawn in a specific order to avoid cross-contamination of additives between tubes. Clean the site to be punctured with an alcohol sponge. 2011-2023 Phlebotomy Coach. Valenstein PN, Sirota RL. B. evacuated tube What two things should you make sure you discuss with your patients prior to venipuncture? Effective communication - both verbal and nonverbal - is essential. Background: Venipuncture is the most common invasive medical procedure performed by health care providers. Alcohol not dry in the required amount of time B. Veins less prominent and less filling C. Veins more prominent and easier to puncture D. Blood stop flowing to arteries but not veins A The most common site (s) for the venipuncture procedure is/are the following: Warning: Make sure you are confident that the structure you're palpitating is indeed a vein. C. Iodine apply pressure for at least 10 minutes. If possible, speak with the patient during the process. Dry the cleaned area with a dry cotton sponge. Automated systems may include labels with bar codes. What is the most common site for blood sampling? There are three phlebotomy vein sites located in the arm most utilized by medical professionals and three additional draw sites that are last resorts. 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. Try rotating the arm to better expose the cephalic or basilic vein. Remember that veins should ideally feel bouncy. When wearing gloves, change them between each patient and wash your hands frequently. When using a syringe and needle, avoid drawing the plunger back too forcibly. This type of venipuncture procedure is a little different, and sometimes can be a little more involved. Holder/Adapter - use with the evacuated collection system. Position the patient with the arm extended to form a straight-line form shoulder to wrist. Which element has the highest ionization energy? wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. The service requires full JavaScript support in order to view this website. C. the seal is broken What are the contraindications to venipuncture? Specimens from infants under the age of 6 months are typically collected by heelstick. 6. Procedure for Capillary Puncture of the Finger: The best site for a finger puncture is just off the center of the finger pad of, the 3rd (middle) or 4th (ring) finger of the hand. Place blood collection equipment away from patients, especially children and psychiatric patients. Re-secure the tourniquet to increase venous filling. 3. Label the specimens before leaving the patients bedside. Using a sterile blood lancet, puncture the side of the heel in the appropriate regions shown above in green. } As part of presenting a professional appearance, an institutional dress code may include wearing of a laboratory coat or smock. Serum red top or amber tube with red top. Wear gloves and a lab coat or gown when handling blood/body fluids. Which of the following actions should the technician take? Position the infant with the head slightly elevated. Allow it to air, Grasp the foot, and using a sterile lancet, press firmly against the heel to, Collect the drops of blood into the collection device by gently squeezing, the foot. When finished, clean the site and apply pressure with a clean gauze to stop the bleeding. As a countermeasure, phlebotomists. What Is Venipuncture? A. EMLA As always, properly fill out appropriate requisition forms, indicating the test(s) ordered. f.src = 'https://forms.zohopublic.com/healthservicesacademy/form/RequestCourseInformationCPTIAccelerated/formperma/SBGg-3DTNCwt65i9A6n_zU3SneyGD89SSqM_7F_nCas?zf_rszfm=1'; Effects of Exercise: Muscular activity has both transient and longer lasting effects. What is the procedure to draw blood from an arm with an IV in it? 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. BD Vacutainer), rather than IV catheter insertions. It may be obstructing blood flow. This guide follows the steps as outlined in the World Health Organizations Guidelines on Drawing Blood: Best Practices in Phlebotomy. window.addEventListener('message', function (){ Lines - Drawing from an intravenous line may avoid a difficult venipuncture, but introduces problems. The antecubital fossa is a collection of veins located within the arm's inner area, opposite of the elbow, where the arm folds in. Fill the capillary tube(s) or micro collection device(s) as needed. A. very small or difficult vein, Ch 46 Phlebotomy & Ch 47 Hematology (MULTIPLE, Chapter 47: Phlebotomy and Blood Collection, Positive and negative feedback & examples, Meds Vanessa doesn't need because she sleeps, Medical Terminology: Learning Through Practice, April Lynch, Jerome Kotecki, Karen Vail-Smith, Laura Bonazzoli. By using our site, you agree to our. www.mlo-online.com is using a security service for protection against online attacks. Dispose of items in appropriate containers. Each time a vein is accessed with a needle, scar tissue forms as part of the body's healing process. When finished, elevate the heel, place a piece of clean, dry cotton on the puncture site, and hold it in place until the bleeding has stopped. If an inpatient is able to respond, ask for a full name and always check the armband or bracelet for confirmation. What is the best position to perform venipuncture in? Some individuals are afraid of needles, while others are frightened at the sight of blood. if ( zf_ifrm_data.length == 2 ) { Hematoma - may cause erroneous test results. Collect drops of blood into the collection device by gently massaging the finger. Avoid excessive pressure that may squeeze tissue fluid into the, mix the blood. -thrombosis wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This complication of peripheral I.V. Drawing blood for laboratory analysis is most often a routine and uneventful procedure. Cleanse in a circular fashion, beginning at the site and working outward. Avoid previous hematoma (draw distal of hematoma) Various sizes are available. What can happen if you vigorously shake the tubes? Apply the tourniquet below the IV site. Such terms as "needs to," "must," "require" and "should" are used to explain how medical professionals should perform capillary blood collection procedures. 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). The diagram below indicates in green the proper area to use for heel punctures for blood collection: Prewarming the infant's heel (42 C for 3 to 5 minutes) is important to obtain capillary blood gas samples and warming also greatly increases the flow of blood for collection of other specimens. Tubes with different additives are used for collecting blood specimens for specific types. 2019;95(1):15-19. doi: 10.1016/j.diagmicrobio.2019.04.001. Using a sterile lancet, puncture the most medial or lateral portion of the plantar surface of theheel, medial to a line drawn posteriorly from the mid great toe to the heel. This enables the bloodto form as a drop on the fingertip. The patient should make a fist without pumping the hand. 8. Proper patient identification procedures. Guidelines established by the Clinical and Laboratory Standards Institute (CLSI) dictate that a phlebotomist shall not attempt a venipuncture more than two times, and a maximum of three attempts shall be undertaken on a patient. (function() { A thin soap bubble of index of refraction 1.33 is viewed with light of wavelength 550.0 nm and appears very bright. You should not perform this technique unless you are certain that the needle is in the immediate vicinity of the vein. Apply the tourniquet approximately 4-5 finger-widths above the planned venepuncture site. This information must be given when requesting microbiology, cytology, fluid analysis, or other testing where analysis and reporting is site specific. D. Butterfly, Before leaving the patient's bedside, you must make sure that: 1. Warm the heel from which blood is to be obtained. 2. Wikipedia. X=[Ar]4s23d5Y=[Ar]4s23d104p1Z=[Ar]4s23d104p6. B. the needle is only partially in the vein What are the best veins for venipuncture? (a) the electric power required. Needles are available for evacuated systems and for use with a syringe, single draw or butterfly system. Capillary Specimens may be used immediately for point-of-care testing. Avoid UE on same side of mastectomy (lymphedema) 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. Psychological interventions for needle-related procedural pain and distress in children and adolescents. Once you establish blood flow, slightly modify your hand position to stabilize the needle against the arm and prevent further movement. D. 70% isopropyl alcohol. The patient who is at ease will be less focused on the procedure. 4. Hold the baby's foot firmly to avoid sudden movement. Place labeled specimens in zip lock bag and deliver to the laboratory as soon as possible. 10. 7. Firmly grasp the flanges of the tube holder to avoid advancing the needle further into the vein as you change tubes. Factitious biochemical measurements resulting from hematologic conditions. What are the green/lavender top containers used for? Concentrations of fluids and medications could affect baseline test results. Avoid excessive pressure that may squeeze tissue fluid into the drop of blood. Nursing Personnel. Which of the following is the most likely mechanism for alteration in protein values in this situation? Potassium A phlebotomy technician is removing his gloves after a venipuncture procedure. -obvious skin infection (including newly tattooed areas). -use correct angle of needle insertion the chlorhexidine residue before tying a piece of gauze around the foot. Never draw from a thrombosed or scarred vein. For an inpatient DO NOT DRAW BLOOD IF THE ARMBAND OR BRACELET IS MISSING. 9. Preferred venous access sites, and factors to consider in site selection, and ability to differentiate between the feel of a vein, tendon and artery. Apply the tourniquet 3-4 inches above the selected puncture site. (c) the rate of heat transfer. Areas of fingers and heels that are cold, swollen, scarred or covered with a rash, should be avoided. Position the patient. As a countermeasure, phlebotomists anchor the vein with their hand to stabilize it for the draw. Mix and label all appropriate tubes at the patient bedside. Also found in the antecubital fossa, the basilic vein serves as a last resort for blood draws. When using a syringe avoid drawing the plunger back too forcefully. Areas of the body that look infected, scarred, or burned must also be avoided. Cleanse the fingertip of the 3rd (middle) or 4th (ring) finger with an alcohol prep. 10. There are some slight risks associated with venipuncture which may include excessive bleeding, feeling light-headed, fainting, nerve damage, hematoma (accumulation of blood under the skin), and infection. Coagulation tests (protime and prothrombin time), Tube is designed to contain no contaminating metals, Trace element testing (zinc, copper, lead, mercury) and toxicology, Antiglycolytic agent preserves glucose up to 5 days, HLA tissue typing, paternity testing, DNA studies, Inactivates thrombin and thromboplastin; contains virtually no lead. 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. Allow filter paper to air dry for two (2) hours at room temperature. List six areas to be avoided when performing venipuncture and the reasons for the restrictions. Punctures to the posterior curvature of the heel cab cause damage to the bones. When multiple vials of blood are collected it can seem like a large amount. Swiftly insert the needle through the skin and into the lumen of the vein. Look at the dorsum of the hand as a last resort. When the last tube to be drawn is filling, remove the tourniquet. If you stick yourself with a contaminated needle: Remove your gloves and dispose of them properly. 8. Consult a specialist at the patient's own request and expense. 2. D. it is wiped with alcohol, Venipuncture at sites with each of the following could effect the results EXCEPT: Back the needle out until the bevel is just below the skin. Journal of Exotic Pet Medicine. UF Health Pathology Laboratories Nontuberculosis Mycobacteria Laboratory, This page uses Google Analytics (Google Privacy Policy), Capillary puncture may be used for obtaining specimens in infants or in adults where. 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. Thrombosed veins lack resilience, feel cord-like, and roll easily. 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.