\u00a9 2023 wikiHow, Inc. All rights reserved. 3. Hematoma - may cause erroneous test results. Stress: May cause transient elevation in white blood cells (WBC's) and elevated adrenal hormone values (cortisol and catecholamines). catheter size for the vein, or prolonged use of the same I.V. Phlebitis is inflammation of a vein. However, do not use too high a temperature warmer, because baby's skin is thin and susceptible to thermal injury. Notify your supervisor or patientsphysician if unsuccessful. Syringes - may be used in place of the evacuated collection tube for special circumstances. Position the infant with the head slightly elevated. If using a needle and syringe, avoid drawing the plunger back too forcefully. B. Yellow Avoid the side of the finger where there is less soft tissue, where vessels and nerves are located, and where the bone is closer to the surface. Any attempt to repeat a puncture at the same site increases the risk of complications. Using the smallest acceptable needle size can help reduce the risk of bleeding or hematoma . NHA Exam Questions Flashcards | Chegg.com How can you decrease the risk of hematoma formation? -hemorrhage/hematoma. If blood stops flowing into the vacuum tube, the vein may have collapsed. Wipe away the first drop of blood with a piece of clean, dry cotton. The median cubital vein, a superficial vein that forms a connection point between the cephalic and basilic veins of the arm is large, and therefore easier to see and feel. This enables the bloodto form as a drop on the fingertip. 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. 1. It is an employer's responsibility to provide, clean, repair, replace, and/or dispose of personal protective equipment/clothing. Sites to avoid: Extensive scarring from burns or surgery The upper extremity on the side that a mastectomy was performed. Blood Collection Process: Venipuncture - University of Florida McCall, R. E., & Tankersley, C. M. (2016). Over time and with several repeated punctures, significant amounts of scar tissue builds up. EDTA and sodium citrate tubes should still be filled to the marked fill line to ensure a correct blood-to-additive ratio. Reasonable informed participation in decisions involving the patient's health care. Wear gloves and a lab coat or gown when handling blood/body fluids. Back the needle out until the bevel is just below the skin. 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. Whole blood specimens may not be able to be analyzed if microscopic clots are present. A. Syringe The creatine kinase (CK), aspartate aminotransferase (AST), lactate dehydrogenase (LDH), and platelet count may increase. 9. A clinical study is performed to determine the optimal time for application of the tourniquet during phlebotomy. Venipuncture requires good skills in order to perform the procedure not only correctly, but also painlessly. (function() { Allow filter paper to air dry for two (2) hours at room temperature. This information must be given when requesting microbiology, cytology, fluid analysis, or other testing where analysis and reporting is site specific. Compare and contrast the two major types of neuronal pathways. Many drugs will have "peak" and "trough" levels that vary according to dosage levels and intervals. -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? This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Collect drops of blood into the collection device by gently massaging the finger. 1. 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. Specimens from infants under the age of 6 months are typically collected by heelstick. List several effects of exercise, posture, and tourniquet application upon laboratory values. The blood is bright red (arterial) rather than venous. Concentrations of fluids and medications could affect baseline test results. Grasp the patient's arm firmly using your thumb to draw the skin taut and anchor the vein. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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