what sites should be avoided when performing venipuncture quizlet
Cap, rotate and invert the microtainer to mix the blood collected. To request course information, contact PhlebotomyU today. If an IV is in place, samples may be obtained below but NEVER above the IV site. The basic patient rights endorsed by the JCAHO follow in condensed form are given below. A. standards wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Tip: When using a butterfly and sodium citrate is the first to be collected in the order of draw, a discard tube must always be filled first to purge the air from the tubing. The phlebotomist's role requires a professional, courteous, and understanding manner in all contacts with the patient. Preanalytical phase of the testing process begins for the laboratory when a: Test is ordered by a patient's physician. Enzymes, proteins, lipids, iron, and calcium are significantly increased with changes in position. The patient should either sit in a chair, lie down or sit up in bed. (a) How would you prepare tetracaine from the corresponding aniline derivative, ArNH2_22? This article has been viewed 43,712 times. 8. Factitious biochemical measurements resulting from hematologic conditions. What is the most common complication of venipuncture? What are the helpful hints for finding veins? Fasting, dietary restrictions, medications, timing, and medical treatment are all of concern and should be noted on the lab requisition. Pre-warm the region of the vein to reduce vasoconstriction and increase blood flow. remove needle Never draw above an IV site. Certain other sites should also be avoided. PhlebotomyU offers Certified Phlebotomy Technician (CPT I) courses for aspiring phlebotomists. Do not use alcohol for prepping the site when drawing a blood alcohol sample. Patient care following completion of venipuncture. Never draw over scars or a new tattoo sites. All approved lancets utilized at Akron Childrens are for single use and feature, Heel punctures are performed on infants less than 6 months of age, or on, older premature infants who are the approximate size of a full-term 6 month, old. Hemolysis may occur, with pseudohyperkalemia. -thrombosis Diurnal Rhythms: Diurnal rhythms are body fluid and analyte fluctuations during the day. In this elbow pit, phlebotomists have easy access to the top three vein sites used in phlebotomy: Median cubital vein. Some individuals are afraid of needles, while others are frightened at the sight of blood. 9. -use correct angle of needle insertion Identify the patient. The blood is bright red (arterial) rather than venous. Label the specimens before leaving the patients bedside. This requisition form must contain the proper information in order to process the specimen. A face mask reduces risk for blood culture specimen contamination. Check the requisition form for requested tests, patient information, and any special requirements. A. given to the patient PST (light green top). the chlorhexidine residue before tying a piece of gauze around the foot. The antecubital fossa is a collection of veins located within the arms inner area, opposite of the elbow, where the arm folds in. Sign up for wikiHow's weekly email newsletter. Povidone-iodine wipes/swabs - Used if blood culture is to be drawn. Applyan adhesive bandage. However, drawing blood from the hand is affiliated with higher levels of pain and less control. Focus on what you do best, and find someone who can help you communicate that with your target market. The service requires full JavaScript support in order to view this website. Lightly touch the microtainer capillary collectiondevice (or filter paper) to the LARGE drop of blood. 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. Palpate and trace the path of veins with the index finger. -obvious skin infection (including newly tattooed areas) -extensive scarring -don't use same side as mastectomy -avoid previous hematoma -avoid arm w/ fistula/cannula -edamtous extremity What is the most common site for blood sampling? Two forms of active identification are required. Look for visual clues which may help assess the patient's condition. var zf_perma = zf_ifrm_data[0]; Additionally, blood samples should not be taken on an arm with a fistula used for dialysis treatments. The first attempt is the antecubital fossa area, starting with the median cubital vein, then the cephalic vein, and the basilic vein. ; worn to protect the patient and the phlebotomist. Never attempt venipuncture in an artery. As a phlebotomist, it is critical to know which vein sites offer stable flows for blood draws. Wipe away the first drop of blood with a piece of clean, dry cotton. Label all appropriate tubes at the patient bedside. B. evacuated tube 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. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Perform the venipuncture. An electric motor draws a current of 10 amp with a voltage of 110V110 \mathrm{~V}110V. The output shaft develops a torque of 10.2Nm10.2 \mathrm{~N} \cdot \mathrm{m}10.2Nm and a rotational speed of 1000 RPM. The most commonly used site for a venipuncture is at the bend of the elbow, also called the antecubital fossa 1. Re-secure the tourniquet to increase venous filling. Why? Therapeutic Drug Monitoring: different pharmacologic agents have patterns of administration, body distribution, metabolism, and elimination that affect the drug concentration as measured in the blood. If just a routine coagulation assay is the only test ordered, then a single light blue top tube may be drawn. Tip: In spite of a difficult draw, remember to invert your tubes. 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. 1. Consider three elements with the following abbreviated electron configurations: X=[Ar]4s23d5Y=[Ar]4s23d104p1Z=[Ar]4s23d104p6\mathrm{X} = \mathrm{[Ar]4s^23d^5}~~~\mathrm{Y}=\mathrm{[Ar]4s^23d^{10}4p^1}~~~\mathrm{Z}=\mathrm{[Ar]4s^23d^{10}4p^6} 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. To enhance students careers, meet the needs of healthcare providers and improve patient care by providing high quality, cost effective phlebotomy education through industry leading curriculum, current technology and extensive hands on experience. When using a syringe and needle, avoid drawing the plunger back too forcibly. 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. Have an assistant stabilize the arm by firmly locking the elbow joint. The content of this article is not intended to be a substitute for professional medical advice, examination, diagnosis, or treatment. What are the light blue top containers used for? Grasp the patient's arm firmly using your thumb to draw the skin taut and anchor the vein. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/68\/Troubleshoot-a-Difficult-Venipuncture-Step-1.jpg\/v4-460px-Troubleshoot-a-Difficult-Venipuncture-Step-1.jpg","bigUrl":"\/images\/thumb\/6\/68\/Troubleshoot-a-Difficult-Venipuncture-Step-1.jpg\/aid11732774-v4-728px-Troubleshoot-a-Difficult-Venipuncture-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2023 wikiHow, Inc. All rights reserved. Have the patient drink fluids if dehydrated. Since newborns do not often bleed immediately, use gentle pressure to produce a rounded drop of blood. 1. Nursing Personnel. CLSI document H04-A6. Determine the final temperature of the R-134a and the final specific internal energy. McCall, R. E., & Tankersley, C. M. (2016). 1. 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. Proper patient identification MANDATORY. Patient identification is critical for safety. Place blood collection equipment away from patients, especially children and psychiatric patients. Drawing blood from major vessels (e.g. Phlebitis is inflammation of a vein. Reasonable informed participation in decisions involving the patient's
health care. Blood is commonly obtained from the median cubital vein on the anterior forearm. B. above an IV line Avoid UE on same side of mastectomy (lymphedema) Re-anchor the vein. 4. Using a sterile lancet, puncture the fingertip in the fleshy part of the finger, slightly to the sideof the center and across (perpendicular to) the grooves of the fingertip. 5. Primary effect is hemoconcentration of non-filterable elements (i.e. 8. 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). *NEVER BEND THE ARM*. Always wear a
clean lab coat or gown. Verify the patient's condition. Our students gain a vast amount of experience with phlebotomy vein sites through our hands-on and engaging curriculum and externship program. Dispose of contaminated materials in appropriate waste receptacles. Gloves - can be made of latex, rubber, vinyl, etc. Place labeled specimens in zip lock bag and deliver to the laboratory as soon as possible. Sometimes you may get initial blood flow, but then it stops when you change tubes. The median cubital vein is used the most for its accessibility. Phlebotomy Essentials 5th Edition Chapter 9. Potential source of test error, particularly from hemolysis, Most lines are flushed with a solution of heparin to reduce the risk of thrombosis, Discard a sample at least three times the volume of the line before a specimen is obtained for analysis. ACDA or ACDB (pale yellow top). Make certain that the blood completely saturates all four (4) circles and is visible from bothsides. antecubital fossa What are the best veins for venipuncture? 2013 Oct 10;(10):CD005179. Allow another large drop of blood to form. This type of venipuncture procedure is a little different, and sometimes can be a little more involved. Avoid previous hematoma (draw distal of hematoma) Procedure for Capillary Puncture of the Heel: A heel puncture is performed on the lateral or medial plantar surface of the, foot. 13. Change your approach when dealing with uncooperative patients, such as pediatrics and those with neurodevelopmental or psychiatric disorders. Make the cut across the heelprint lines so that a drop of blood can well up and not run down along the lines. D. Both A and B, A sharps container is identified by its bright ____ color 2. Procedure for Capillary Puncture of the Finger: The best site for a finger puncture is just off the center of the finger pad of. Avoid excessive pressure that may squeeze tissue fluid into the drop of blood. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. They are also. Feel for the median cubital first, the cephalic vein second, and the basilic vein third. Do not use excessive pressure or heavy massaging because the blood may become diluted with tissue fluid. With risk for blood spatter a face shield provides protection. Consult a specialist at the patient's own request and expense. (b) How would you prepare tetracaine from p-nitrobenzoic acid? The venipuncture procedure is complex, requiring both knowledge and skill to perform. 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 . This is more common in humeral and femoral punctures than radial punctures. 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. Gloves are to be worn during all blood collection procedures, and changed betweenpatient collections. 9. The fifth finger tends to have less soft tissue overlying the bone. ROUTINE CAPILLARY PUNCTURE BLOOD COLLECTION GUIDELINES. IV lines are very useful in hospitals because some patients require frequent blood tests. Obtain from the practitioner complete and current information about
diagnosis, treatment, and any known prognosis, in terms the patient can
reasonably be expected to understand. 9. What equipment is needed for a venipuncture? This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Position the patient's arm in a comfortable extended position that provides adequate access to the planned venepuncture site. True or False? 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. C. all disposable equipment has been discarded properly Thrombosed veins lack resilience, feel cord-like, and roll easily. 4. Expect that any discussion or consultation involving the patient's case will be conducted discretely and that individuals not directly involved in the case will not be present without patient permission. f.style.width="100%"; For a detailed breakdown of each step of the venipuncture test scroll down. The patient should make a fist without pumping the hand. D. it is wiped with alcohol, Venipuncture at sites with each of the following could effect the results EXCEPT: Puncture only the uppermost wall of the vein, Remove the tourniquet before removing the needle, Make sure the needle fully penetrates the upper most wall of the vein. When finished, clean the site and apply pressure with a clean gauze to stop the bleeding. Avoid excessive probing ("fishing"). If none of these veins work, then the phlebotomists use the hand veins. Finger - Usually the third or fourth finger is preferred in adults and children. A. Wikipedia. Dorsal hand veins are often utilized for intravenous infusions but are viable options for blood draw sites. For children over 6 months and adults, the finger is punctured. Switch to the other arm if you can't find anything. Most commonly, venipuncture will be performed on the Antecubital Fossa, or the inside of the elbow. 8. Question. drawing from hand or foot B. the needle is only partially in the vein Follow the same procedure as for performing a finger, Order of Draw for a Capillary Puncture: Proper collection of tubes when. Arm with fistula or cannula placement When using a syringe avoid drawing the plunger back too forcefully. These items include: Document that the venipuncture was performed distal to (below) an infusion site. (See picture.) 7. A requisition form must accompany each sample submitted to the laboratory. The needle should form a 15 to 30 degree angle with the
surface of the arm. Second - coagulation tube (light blue top). By using our site, you agree to our. Additionally, a hematoma may compress the nerve and lead to long-term damage. 5. As part of presenting a professional appearance, an institutional dress code may include wearing of a laboratory coat or smock. Stress: May cause transient elevation in white blood cells (WBC's)
and elevated adrenal hormone values (cortisol and catecholamines). If it is then heated, what can you say about: b) how often the molecules hit the walls of the can. -antiseptic swabs Deliver specimens promptly to the laboratory. 2. What are the gold top containers used for? 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. Websites that masquerade as the ones you trust. B. Yellow In most of these cases, the skin on the hand is pierced and a vein is accessed so medications or fluids can be given intravenously. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. D. Near a tattoo, Needles are used once and then: Check for timing instructions for drawing the appropriate samples. An example of a simple requisition form with the essential elements is shown below: A properly labeled sample is essential so that the results of the test match the patient. This is especially important when collecting EDTA (lavender top) or heparin (green top) tubes. Position the patient with the arm extended to form a straight-line form shoulder to wrist. Greet the patient and identify yourself and indicate the procedure that will take place. 7. Serum iron levels tend to drop during the day. For an inpatient DO NOT DRAW BLOOD IF THE ARMBAND OR BRACELET IS MISSING. Do not obtain specimens from an arm having a cannula, fistula, or vascular graft. Include your email address to get a message when this question is answered. 10. or move it backward (it may have penetrated too far). What are the gray top containers used for? When storing a blood specimen what temp should it be at 2-8 degrees c If a patient starts to seize during a draw what should you do Stop the draw When should you use a capillary instead of venipuncture A patients veins are inaccessible What can cause a hemolysis in a specimen Shaking a tube vigorously Am J Clin Pathol. Using a sterile blood lancet, puncture the side of the heel in the appropriate regions shown above in green. Warm the heel from which blood is to be obtained. Identify the additive, additive function, volume, and specimen
considerations to be followed for each of the various color coded tubes. 1. What should you never do to a site you just cleansed with alcohol? 23-gauge needles (e.g. C. laws 12. At least two patient identifiers, such as name and date of birth, are needed. var iframe = document.getElementById("zf_div_SBGg-3DTNCwt65i9A6n_zU3SneyGD89SSqM_7F_nCas").getElementsByTagName("iframe")[0]; When multiple vials of blood are collected it can seem like a large amount. Other Factors: Age, gender, and pregnancy have an influence on
laboratory testing. var f = document.createElement("iframe"); What are the complications that can occur when performing a venipuncture? are known to vary lab results of some analytes. Any attempt to repeat a puncture at the same site increases the risk of complications. Areas of fingers and heels that are cold, swollen, scarred or covered with a rash, should be avoided. Be methodical in your search for a vein. Take enough time to assess the vein before beginning the venipuncture procedure. 2011-2023 Phlebotomy Coach. 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. 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. The recommended order of draw for plastic collection tubes is: First - blood culture bottle or tube (yellow or yellow-black top). 7. Avoid excessive pressure that may squeeze tissue fluidinto the drop of blood. Phlebotomists are considered to have occupational exposure to blood borne pathogens. 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. Arteries pulsate, are very elastic, and have a thick wall. 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. Needles - The gauge number indicates the bore size: the larger the gauge number, the smaller the needle bore. By signing up you are agreeing to receive emails according to our privacy policy. Allow to air dry. Intravenous therapy (IV) / blood transfusions - fluid may dilute the
specimen, so collect from the opposite arm if possible. How many time should you invert them? We use cookies to make wikiHow great. 10. A. Syringe The key elements in labeling are: NOTE: Both of the above MUST match the same on the requisition
form. Edematous extremities with swollen tissue alter the results. Apply the tourniquet approximately 4-5 finger-widths above the planned venepuncture site. doi: 10.1002/14651858.CD005179.pub3. 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. If a patient has an IV giving them fluids in their right arm which arm should be your first choice to draw blood out of? This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Is the seating comfortable and has the patient been seated for at least 5 minutes to avoid being rushed or confused? Adhesive bandages / tape - protects the venipuncture site after
collection. Lightly touch the microtainer capillary collection device (or filter paper) to the LARGE drop of blood. Mastering Pediatric Phlebotomy. Center, for Phlebotomy Education, Inc. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Prepare the patient's arm using an alcohol prep. Effective communication - both verbal and nonverbal - is essential. 2017;50(10-11):568-573. Recommended order of collection for microtainer specimens: 7. After the needle selection, phlebotomists begin to look and feel for a viable vein. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Blindly maneuvering the needle within the skin is painful to the patient and you run the risk of hitting a nerve, tendon, or artery. Which of the following is the most likely mechanism for alteration in protein values in this situation? So You're Going to Collect a Blood Specimen: An Introduction to Phlebotomy, 13th Edition (2010), College of American Pathologists, Northfield, IL. Avoid excessive pressure that may squeeze tissue fluid into the, mix the blood. Cleanse in a circular
fashion, beginning at the site and working outward. 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. var evntData = event.data; Such terms as "needs to," "must," "require" and "should" are used to explain how medical professionals should perform capillary blood collection procedures. 2009 Feb;131(2):195-204. This makes every subsequent poke harder and harder because scar tissue is more fibrous and tougher to puncture. If the tech is not comfortable with any of the veins in the inside elbow area, they may choose a dorsal vein in the hand or, as a last resort, choose a vein in the foot. Sites that should be avoided include areas with extensive scarring, healed burns, inflamed sites, edematous sites, previous puncture sites, earlobes and thumbs. A variety of techniques can be employed to reduce pain and anxiety. After cleansing, allow the venipuncture site to air dry. Assess the patient's physical disposition (i.e. })(); The cephalic vein is a safe secondary option if the median cubital vein is not working.
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