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Alexander Richardson
Alexander Richardson

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Objective: Point-of-care ultrasound is a portable, relatively low-cost imaging modality with great potential utility in low-resource settings. However, commercially produced ultrasound gel is often cost-prohibitive and unavailable. We investigated whether images obtained using an alternative cornstarch-based gel would be of comparable quality with those using commercial gel.




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Methods: This was a blinded, randomised, cross-over study comparing commercially produced ultrasound gel with home-made cornstarch-based gel. Ultrasound-trained faculty obtained three video clips with each gel type from patients at one urban ED. The clips were evaluated by a radiologist and an ultrasound-trained emergency physician. Images were assessed in terms of overall adequacy (dichotomous) and quality, resolution and detail using a rating scale (0-10). All sonographers and physicians reviewing the images were blinded to the type of gel used.


Conclusions: Images produced using the cornstarch-based alternative ultrasound gel were of similar quality to those using commercial gel. The low cost and easy preparation of the cornstarch-based gel make it an attractive coupling medium for use in low-resource settings.


In resource-limited settings, portable ultrasound is getting to be a progressively beneficial diagnostic device. Generally, current costs for ultrasound are low but the approach to the essential consumable goods (specifically ultrasound gel) is one of the major implementation hurdles. In resource-limited sites, the high cost and unreliable access to commercial ultrasound gel can limit its extensive and routine use [17,18,21]. Unluckily, certain chemicals were found to be used for the formulation of ultrasound gel that caused allergic reactions to the skin, such as isothiazolinones, methylisothiazolinone, phenoxyethanol (as preservatives), and Carbopol 940 (as a thickening agent), which are used in several cosmetics and industrial products. There are numerous publications describing patients who suffered from allergic dermatitis due to using these compounds in the formulation of the gel [22,23,24,25]. Furthermore, different types of polysaccharides were used in ultrasound gel formulations, which had some drawbacks such as clarity, transparency, homogeneity, and imaging quality [18,26,27,28,29].


Acoustic impedance is a physical characteristic of tissue. It defines how much opposition an ultrasound beam experiences as it goes through a tissue. Mathematically, it is described as Z = ρv, where ρ is the density of the medium, and v is the speed of ultrasound in the medium. At the borderline between media of distinctive acoustic impedances, some of the wave energy is transmitted and some is reflected. The larger the gap in acoustic impedance between the two media, the more prominent will be the reflection, and the less there will be the transmission. For diagnostic ultrasound (US), ultrasound gel having acoustic impedance comparable to soft tissue (1.6 Mrayl) is necessary for the complete transmission of ultrasound waves.


The transducer generated short ultrasound waves in this experiment; the acoustic pressure produced in the gel medium by the passing of these ultrasound pulses can be considered as proportional to the echo heights (signal amplitudes) seen on the oscilloscope display. Let V1 and V2 be the echo heights corresponding to the fourth echoes from medium 1 and medium 2. Equation (8) then modifies as follows


For over 30 years, our comprehensive collection of gels has enhanced patient care and made us the go-to for purchasing high-quality ultrasound gel products. We offer ultrasound gels for a variety of ultrasound exams and procedures, from exams for expectant mothers to peripheral intravenous procedures to endocavity scans.


Backed by our extensive experience in the medical imaging sector, our ultrasound gel products undergo a strict vetting process to ensure that our clients receive medical-grade gels suitable for their facility. All products we offer are FDA-approved and CE-marked. We pride ourselves in our partnerships with medical facilities across the United States and are committed to providing the best ultrasound supplies at competitive prices.


Our high-viscosity ultrasound gel products allow practitioners to scan hard to reach places. These gels, such as Krystal and EcoVue HV, are up to 35% thicker than their standard counterparts. The increased viscosity allows for ultrasound users to obtain clearer and more accurate images during exams and procedures. This is one of the primary reasons why selecting the right ultrasound gel for your exam leads to improved patient care.


Additionally, the most common complaint from patients about ultrasound gel is how cold it is. This is why we offer ultrasound gel warmers, such as the Thermasonic gel warmer and the Acclimate gel warmer. These devices warm up the gel and maintain its temperature throughout the exam, thereby increasing patient comfort.


Our ultrasound gel and electromedical products are available in a variety of formats depending on your unique needs, including single-use ultrasound gel packets, 8.5 oz bottles, and 5-liter packs for refills. We stock trusted brands like Krystal and Parker so that our customers can operate with total peace of mind. From transmission gels to electrode sprays to certified sterile products, EDM Medical Solutions is the go-to supplier for all things related to ultrasound accessories. Get in touch with one of our product specialists today to learn how we can serve your facility.


If you ever wondered if ultrasound gel has some harmful effects or if you can be allergic to an ultrasound gel, then you just might be about to get an answer. Usually, ultrasound waves have a tough time traveling through air and this can become a problem if you are looking to create clear images of the tissue or organ involved. To make sure your physician gets the best images, ultrasound gels are used, they are some sort of medium that connects the skin and the ultrasound transducer.


Have you ever paused a second to think of what the components of ultrasound gel could be? You must have asked yourself why it is so sticky or why it is so cold. True, ultrasound gels are more than just any kind of gels, they are specially made gels. Here are a few of the ingredients in Ultrasound Gels:


Propylene glycol allergy is the most common cause of adverse skin reactions to ultrasound gel. Propylene glycol is well-known for causing mild skin irritation and allergic skin reactions in some people. Before going in for an ultrasound test, check to see if you are allergic to propylene glycol and inform your doctor early.


Isothiazolinones is another ingredient in ultrasound gel that causes allergic contact dermatitis (skin rash caused by contact with certain substances). There are also other components in ultrasound gels that you can find you are allergic to. Should you find that you have an allergy to any other ingredient used in ultrasound gels, communicate this to your doctor early.


Sonographers have used several alternatives to ultrasound gel over the years. Although not as effective as ultrasound gel, they perform nearly well and still help to produce clear results. Some of the alternatives to ultrasound gel include mineral oil, lotion, vaseline, aloe vera, and others. Many substitutes, on the other hand, are not allowed for use and may be detrimental to the probe.


Informing your doctor of any allergic reactions you have to ultrasound gel is the wisest thing to do before you have an ultrasound procedure. Rather than cross your fingers during your ultrasound procedure or wish on a shooting star, you should find out what ingredients in an ultrasound gel you are allergic to and talk about it. There are several alternatives to ultrasound gel that you and your sonographer might be willing to try.


According to one study contact dermatitis has occurred in a small population of patients exposed to ultrasound gel. However, it was concluded that the purpuric reactions occurred as a result of phenoxyethanol and paraben mixing and causing irritation to the skin. It is for this reason that although the Food and Drug Administration (FDA) has not made restrictions on the use of parabens, HR Pharmaceuticals continues to make our products paraben-free.


Some ultrasound gels can leave behind a greasy, sticky, or tacky residue or cause drying of the skin and flaking. This is typically true of oil-based gels or those that use propylene glycol as a conditioning agent. Because there are differing opinions by researchers and experts as to whether it is a dangerous toxin or a harmless compound, HR Pharmaceuticals has opted out of using them in our products, including EcoVue Ultrasound Gel. EcoVue is a water-soluble ultrasound gel that wipes off easily, without drying, flaking, or leaving a residue behind.


Shop ultrasound products here. Buy portable ultrasound machines for human and vet. Ultrasound machines use a small transducer/probe. Ultrasound gel is placed directly on the skin that will be examined. When the transducer is pressed onto the skin, it transmits high frequency sound waves into the body. The transducer receives the sounds bounced back. The transducer then collects the sounds that bounce back and a computer uses those sounds to create an image. By measuring echo waves it is possible to determine how far away objects are. This makes it a similar concept to how bats sonars work. You can buy ultrasound gel as little as as 250ml to 1 liter. The gel is used to get better images. It helps facilitate sending sound waves into the body. Ultrasounds can be used to diagnose pain, swelling, and examine babies in pregnant women. Ultrasounds are safe and do not use ionizing radiation. Find probe covers as well! They are used as hygienic protection for probes and assists in the prevention of cross contamination!


Consumers and health professionals are advised that TGA has received reports of patients being infected by contaminated Meditech ultrasound gel being used in intensive care and radiology units. The sponsor is undertaking a recall of all lots of the gel (recall number: RC-2017-RN-00631-1). 041b061a72


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