How Do Phlebotomists Draw Blood Tool

Presumption the degree to which patient satisfaction has get along an increasingly important rhythmic in the success of healthcare providers, special focus must constitute placed on advanced-descent patient interactions, such as phlebotomy. Despite the requisite nature of this process to numerous laboratory operations, information technology remains a common area of disfavor, bother, and anxiety for numerous patients. Among the initiatives available to mitigate these issues, the role of smaller needles and decreased insertion military group English hawthorn help reduce the occurrence of terrible draws.

A common phlebotomist question is whether to use a straight goad or a coquet needle to increment efficiency and reduce pain during rip collection. Draftsmanship blood for laboratory depth psychology is an matter task that may be performed by different different clinicians in the flow of a disposed day. As much, totally staff that perform venipuncture and phlebotomy services should be educated on the proper techniques performed with the least amount of forbearing discomfort.

Phlebotomy Tools

While the do of venipuncture involves identifying an ideal vein and successfully collection stoc samples, it also involves acquiring intravenous (IV) access for IV medication therapy Oregon the sample of blood vessel blood. Medical professionals must follow standard protocols for specimen collection to ensure accurate diagnostic results, as an erroneous belief during the collection work on affects all downriver analytics. Among the decisions a skilled phlebotomist must make is determining whether to expend a straight needle or a butterfly (winged infusion) blood collection needle. This decision is complicated by the concept that although straight needles are generally considered safer and superior for phlebotomy, there are unique lot where this is not exist the case.

During venesection, blood collection can be performed using a mixed bag of needle types and sizes, and collection devices. Mas needles ofttimes come with flexible tubing, whereas straight needles connect to a vacuum-clean container and a syringe. When collecting blood samples, IT is primary to prefer the superior possible resources for the patient role, the process, and the deftness.

The Straight Needle

The straight needle is pledged to a tube bearer surgery syringe prior to collection. If the drug user selects the tube holder, the phlebotomist inserts the needle into the vein and then places an exhausted tube onto the backside of the straight acerate leaf to withdraw the line of descent specimen.

The back side of the cannula is yielding rubber over the posterior end of the cannula that seals the needle when non in utilisation. At one time the hustler connects the underground, it breaks the seal, and the vacuum in the evacuated tube automatically withdraws the specified volume of blood. A flexible rubber fitting prevents line of descent from draining out of the cannula with the remotion of each thermionic tube. The design of the straight acerate leaf and collection system is ideal when multiple samples are required, as many tubes can be attached to and removed from a single needle. Straight needles are commonly available in 21 and 22 gauge.

The generally accepted benefits of straight needles include goad stick reductions, quality blood vessel samples, and cost savings. However, a a few extenuating factors lend preference to using the butterfly needle, including when employed with small and/or flimsy veins.

The Butterfly Needle

The butterfly acerate leaf, OR a winged-infusion blood compendium system, connects with slender tubing for smooth access of difficult veins. The acerate leaf is short and straight with plastic wings for the phlebotomist to hold during insertion. The tubing attaches to a connector and either a syringe, tube holder, collection bottle, or other tubing. The common butterfly needles are 1/2 to 3/4 inches sesquipedalian and make out in a set out of gauges, with 21 and 23 gage the most frequently used. The smallest gauge, 25, is used primarily with paediatric patients.1 The discourteous needle length allows the phlebotomist to insert it at a shoal tip that stern increase the ease of use. Usually, there is a safety device that slides over the needle to lock IT after it has been wont to minimize the risk of needle stick.

The design of the brachypterous-extract blood collection needle is ideal for those with pocket-size or fragile veins (eg, hands and feet), including neonatal/medicine, geriatric, oncology, and burn patients. For these cases, the very finely uninterested 25-underestimate needle is the preferred method. Of bank note, it is best to avoid straight needles with patients who get uncontrolled movements, such as tremors operating theater seizing, due to the increased risk of infection of nerve damage.2

World Health Organization Recommendations

When assessing whether to use the straight needle or the butterfly goad, reassessmen the recommendations of acknowledged professional organizations, such as The World Health Organization (WHO) guidelines on phlebotomy best practices that support the primary role of the straight acerate leaf (other than in the conditions mentioned above).3 The WHO describes the straight needle and syringe as possessing a variety of sizes and gauges, being readily available, and beneficial for a variety of blood draws (including medical specialty universe), and if heparinized, arterial roue assemblage. The WHO also states that mas needles are advisable for difficult to get at, small veins in pediatric patients, the elderly, and strange at-risk of infection
populations.3

Proper Use of the Winged Collection System

In addition to the scenarios described previously, butterfly needles are best old for blood cultures, patients with bleeding disorders, and venous rake gases.2 What is more, butterfly needles welfare patients World Health Organization cannot physically change the side of their coat of arms or if ten operating theater more tubes are to comprise self-collected at once.2

These specialized uses still, improper usage of butterfly needles arse lead to a higher risk of needlestick combat injury due to the butterfly purpose, which Crataegus oxycantha encourage the user to unfreeze restraint of the needle to free one hand to support the rear of the kit while affixing and withdrawing the collection ampule along the device.4 Cathartic the sharp at this point breaks OSHA regulations, and whatever design that leads to a want of control is a diversion from good practice. The flirt acerate leaf also rear be costly at nearly threefold the disbursement of a tidy needle (cost dependent on purchasing arrangements).5

Uncurled Needle Benefits

Undiluted needles are generally considered the ordinal option for blood sample collection, as they are less prone to clotting (versus the flexible tubing put-upon in winged-infusion blood collection systems) and fewer prone to hemolysis than collection through IV catheters. A 2003 study to evaluate risk factors for clotting in blood samples ground that straight needles are preferable to IV catheters due to decreased risk of hemolysis.6 Also of note, in a 2008 analyse, straight needles that retract were found to be the safest and lead to a 62% reduction in the lay on the line of needlestick injuries.7

Although collateral to patient and substance abuser base hit, cost is not to be ignored when considering the volume of use involved in phlebotomy supplies. Thus, straight needles are comparatively cheap, costing less than twenty cents a specimen draw. Thence, hospitals and laboratories should proctor the use of butterfly needles carefully, as righteousness evaluation of visible patient veins, available needle sizes and types, and appeal kit choice is critical.

Ratiocination

Choosing the correct venous blood vessel, collection tube, gimmick type, and needle size up for each individual longanimous is vital to decorous venesection, the timbre of which impacts all other subsequent processes. Given the evidence, straight needles offering greater guard against needle sticks due to poor technique, generally have less hemolysis and clotting, and can provide significant cost savings. That said, butterfly needle sets should be connected turn over and used for their specific, beneficial purposes. Tending to quality in phlebotomy is a boon to all laboratory services.

References

1. Lippi G, Salvagno GL, Montagnana M, et al. Influence of the goad bore-hole size used for collecting venous blood samples on routine clinical chemistry testing. Clin Chem Lab Med. 2006;44(8): 1009-1014.
2. Alberta Health Services. Performing Blood Collections Using a Butterfly Phonograph needle. Preanalytics and Specimen Treatment. 2018. Accessed: 7.20.19 www.albertahealthservices.ca/assets/wf/science lab/wf-lab-prc-performing-collections-victimization-butterfly-needle.pdf
3. World Health Organization. WHO guidelines on drawing blood: Best practices in phlebotomy. Geneva, Switzerland; 2010. Accessed: 7.20.19
   www.who.int/infection-prevention/publications/drawing_blood_best/nut/
4. Fischel L. Inherent Dangers of Phlebotomy Needles & Lendable Solutions. Healthbeat. 11(2), 1-14. Accessed: 7.20.19 https://pdfs.semanticscholar.org/6545/14018d5514d55cd076dcf985a117cee49e5e.pdf
5. East Coast Medical Supply. 2019. Accessed: 7.20.19. www.eastcoastmedicalsupply.com
6. Grant M. The effect of blood drawing off techniques and equipment on the hemolysis of ED laboratory blood samples. J Emerg Nurs. 2003;29(2): 116-121.
7. Whitby M, McLaws ML, Slater K. Needlestick injuries in a major teaching infirmary: The worthwhile effect of hospital-thick replacement of conventional hollow-tidal bore needles. A m J Infect Control. 2008;36(3):180-186.

---

Caitlin Goodwin, MSN, CNM, APRN, is a insane nurse-accoucheuse at the Cleveland Clinic in Cleveland, Ohio. She has over 10 years' experience working in pulmonary intensive care, obstetrics, and pediatric nursing. She received a MS in Nursing from the University of Toledo in Toledo, Buckeye State, and a MSc in Nurse-Midwifery from Frontier Nursing University in Hyden, Kentucky.

How Do Phlebotomists Draw Blood Tool

Source: https://www.medlabmag.com/article/1592