what sites should be avoided when performing venipuncture quizlet what sites should be avoided when performing venipuncture quizlet

\u00a9 2023 wikiHow, Inc. All rights reserved. A. (See picture.) If multiple blood samples are to be taken, the phlebotomist must be careful to follow the proper order of draw. Even if several vials of blood have to be drawn it usually amounts to no more than one ounce. 2. Some individuals are afraid of needles, while others are frightened at the sight of blood. prevent falls, should the patient lose consciousness. Holder/Adapter - use with the evacuated collection system. Safely dispose of potentially infectious materials. Grasp the patient's arm firmly using your thumb to draw the skin taut and anchor the vein. and "What is your date of birth?". You will be redirected once the validation is complete. outstretched or raised Try another tube. 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. D. after needle removal, When drawing blood you should always follow universal ______ -test tubes 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. if ( (iframe.src).indexOf('formperma') > 0 && (iframe.src).indexOf(zf_perma) > 0 ) { When there is an IV line present, blood can be drawn from this line. Drawing blood from major vessels (e.g. 3. D. All of the above, Needles are sterile until: In some cases, a phlebotomist may have to switch sites if they find the blood is not properly flowing from the vein. 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. It doesn't matter . 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. 1. Tourniquet - Wipe off with alcohol and replace frequently. Specimens from infants under the age of 6 months are typically collected by heelstick. Clin Biochem. Previous puncture sites should be avoided. Avoid excessive probing ("fishing"). 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: Identification errors in pathology and laboratory medicine. Tubes with different additives are used for collecting blood specimens for specific types. 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 Effective communication - both verbal and nonverbal - is essential. The line must be flushed first. A needle is then gently inserted into the vein. C. After all specimens have been collected 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. BD Vacutainer), rather than IV catheter insertions. To determine the best vein, use both sight and touch. What should you never do to a site you just cleansed with alcohol? Collect drops of blood into the collectiondevice by gently massaging the heel. Track marks are not only found on IV drug users, but also on chronically ill patients requiring repeated vascular access and blood draws and may be a sign of an anticipated difficult draw. 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. The dorsal venous network is the next most common vein site for phlebotomists. Make the cut across the heelprint lines so that a drop of blood can well up and not run down along the lines. It is large and near the skins surface, making it easier for phlebotomists to see before anchoring the vein. f.style.transition="all 0.5s ease"; Needles should be placed in a proper disposal unit IMMEDIATELY after their use. 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. Describe and perform the venipuncture process including: Appropriate clothing and protective equipment. While hand veins may be utilized for blood draws and intravenous infusions, veins in the feet and legs should be avoided for adults. Capillary puncture should not be used. iframe.style.height = zf_ifrm_ht_nw; Be methodical in your search for a vein. Any attempt to repeat a puncture at the same site increases the risk of complications. 3. How far above a venipuncture sight should you place a tourniquet? Because of contacts with sick patients and their specimens, it is important to follow safety and infection control procedures. Date, time and initials of the phlebotomist must be on the label of EACH tube. Do not obtain specimens from an arm having a cannula, fistula, or vascular graft. Lightly touch the microtainer capillary collectiondevice (or filter paper) to the LARGE drop of blood. Never draw above an IV site. 8. These items include: Place blood collection equipment away from patients, especially children and psychiatric patients. -do not rapidly insert the needle. While this may be effective in some difficult draws, the risk of a needlestick injury is higher if the patient has a withdrawal reflex and the needle recoils back into your finger. Label collection tubes after identification of the patient. The equipment used during the venipuncture test can vary, but the following are most commonly used for routine venipuncture: Phlebotomists may choose to draw blood from several different sites of the body. List several effects of exercise, posture, and tourniquet application upon laboratory values. 8. 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. A clinical study is performed to determine the optimal time for application of the tourniquet during phlebotomy. Prepare the equipment, the patient and the puncture site. As a phlebotomist, it is critical to know which vein sites offer stable flows for blood draws. Am J Clin Pathol. Never draw over scars or a new tattoo sites. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Other draw sites, particularly below the waist, are rarely used. While most patients veins are compatible with a standard needle gauge, others require a butterfly needle. Have the patient hold a small gauze pad over the puncture site for a couple of minutes to stop the bleeding. 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. Collect the drops of blood into the collection device by gently massaging, Avoid excessive pressure that may squeeze tissue fluid into the drop of, When full, cap and then gently invert the collection device 5-10 times to, Hold a gauze pad over the puncture site for a short time to stop the, Dispose of the contaminated materials and lancet in the appropriate waste, Place a band-aid on the patients finger or have someone continue to hold, gauze on the finger. Syringes - may be used in place of the evacuated collection tube for special circumstances. An OSHA acceptable, puncture proof container markedBiohazardous. Lightly touch the microtainer capillary collectiondevice (or filter paper) to the LARGE drop of blood. If blood stops flowing into the vacuum tube, the vein may have collapsed. Once you establish blood flow, slightly modify your hand position to stabilize the needle against the arm and prevent further movement. 1. 6. Significant increases can be found in total protein, aspartate aminotransferase (AST), total lipids, cholesterol, iron, Affects packed cell volume and other cellular elements. How many time should you invert them? Place a pillow under the patient's arm if additional support is needed.