what sites should be avoided when performing venipuncture quizlet

\u00a9 2023 wikiHow, Inc. All rights reserved. For children over 6 months and adults, the finger is punctured. 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. proteins). www.mlo-online.com is using a security service for protection against online attacks. The use of a tourniquet during a venipuncture procedure makes: The most common site(s) for the venipuncture procedure is/are the following: The tourniquet should not be left on a patient more than 1 minute when performing a venipuncture because it is uncomfortable and causes: The needle should always be inserted at the puncture site with the: The correct needle position for a venipuncture is a ______ degree angle with the bevel facing _____. The median cubital vein and the cephalic vein in the wrist area should be avoided when possible. Blood is commonly obtained from the median cubital vein on the anterior forearm. Dorsal hand veins are often utilized for intravenous infusions but are viable options for blood draw sites. Needles should be placed in a proper disposal unit IMMEDIATELY after their use. Since newborns do not often bleed immediately, use gentle pressure to produce a rounded drop of blood. Apply firm pressure for more than 5 minutes. (a) the electric power required. therapy is usually associated with acidic or alkaline solutions or solutions that have a high osmolarity. Carry out hand hygiene before and after each patient procedure, before putting on and after removing gloves. 1. Use pillows or foam wedges to elevate the arm and help with extension. There may be no vacuum in the tube being used. Drawing blood from major vessels (e.g. Phlebotomy tutorial for medical education - WebPath Stop the procedure if a hematoma occurs. doi: 10.1002/14651858.CD005179.pub3. Back the needle out until the bevel is just below the skin. Never attempt venipuncture in an artery. Blood Specimen Collection and Processing Performing a Venipuncture on an Arm Containing an Intravenous Line - LabCE 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. 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. f.style.width="100%"; (See, The chlorhexidine is a concern for the premature babies in NICU as it can, be absorbed through the skin. 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. Contains a gel separator and clot activator. If using a needle and syringe, avoid drawing the plunger back too forcefully. Copyright 2023 - PhlebotomyU | Website Design & SEO by, Phlebotomy: 5 Tips on Finding Difficult Veins. The median cubital creates, The dorsal venous network is the next most common vein site for phlebotomists. Label the specimens before leaving the patients bedside. When using a syringe avoid drawing the plunger back too forcefully. It doesn't matter . var zf_perma = zf_ifrm_data[0]; HealthStar Press, Inc. 2001, updated 1/08. Observe universal (standard) safety precautions. Extensive scarring or healed burn areas should be avoided Specimens should not be obtained from the arm on the same side as a mastectomy. 5. Some individuals are afraid of needles, while others are frightened at the sight of blood. What can happen if you vigorously shake the tubes? This article has been viewed 43,712 times. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Venipuncture (sometimes referred to as venapuncture, venepuncture or even venu puncture) is the collection of blood from a vein which is usually done for laboratory testing. After assembling the appropriate equipment, follow the next steps to perform a proper venipuncture. Avoid puncturing a finger that is cold or cyanotic, swollen, scarred, or covered with a rash. This makes every subsequent poke harder and harder because scar tissue is more fibrous and tougher to puncture. Ernst, Dennis J. Also consider adjusting the angle of the needle. Notify your supervisor or patientsphysician if unsuccessful. Larger tube sizes typically provide for collection of samples from 6 to 10 mL. Asking the patient about their previous blood draw experiences is beneficial, especially if they are a hard stick and know which area works best. List several effects of exercise, posture, and tourniquet application upon laboratory values. Needles - The gauge number indicates the bore size: the larger the gauge number, the smaller the needle bore. Hematoma - may cause erroneous test results. Puncture no deeper than 2.4mm (approximately 0.1 inches). The phlebotomist's role requires a professional, courteous, and understanding manner in all contacts with the patient. C. Lancet Cannula/fistula/heparin lock - hospitals have special policies regarding these devices. Let's take a look at the types of websites you and your staff need to be wary of and how to avoid them. Swiftly insert the needle through the skin and into the lumen of the vein. What sites should be avoided when drawing blood? 11. 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. 2. The antecubital fossa is a collection of veins located within the arms inner area, opposite of the elbow, where the arm folds in. For an inpatient the nursing staff can be contacted to aid in identification prior to proceeding. LTD: Performing a Capillary Puncture Version 7, General Guidelines for a Capillary Puncture: Capillary punctures are ideal for, small children when only a small volume of blood is needed. Clin Lab. Each time a vein is accessed with a needle, scar tissue forms as part of the body's healing process. Some DNS services support web filtering, too. When using a syringe inserted into the line, blood must be withdrawn slowly to avoid hemolysis. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. If this is not successful, remove the needle, take care of the puncture site, and redraw. wikiHow is where trusted research and expert knowledge come together. Which of the following actions should the technician take? Patient care following completion of venipuncture. What equipment is needed for a venipuncture? If you are using a butterfly, try to retie the tourniquet around the patient's arm to increase pressure and re-establish blood flow. It may be obstructing blood flow. After the third attempt, further medical directions must be sought with the attending physician before proceeding. Fasting, dietary restrictions, medications, timing, and medical treatment are all of concern and should be noted on the lab requisition. A government issued photo identification card such as a driver's license can aid in resolving identification issues. 10. Have an assistant stabilize the arm by firmly locking the elbow joint. Phlebitis can also occur as a result of vein trauma during insertion, use of an inappropriate I.V. Feel for the median cubital first, the cephalic vein second, and the basilic vein third. Have the patient make a fist and flex the arm, which helps engorge muscles to fill veins. Allow the blood to soak through and completely fill the pre-printed circle on the filter paper. -tourniquet 3. Clean up any blood spills with a disinfectant such as freshly made 10% bleach. 6. Arteries pulsate, are most elastic, and have a thick wall. (function() { Collect drops of blood into the collectiondevice by gently massaging the heel. What are the red top containers used for? Blood Collection Techniques in Exotic Small Mammals. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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