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What is shear wave Elastography

The medical and healthcare industry has seen great scientific inventions in the past decade or so. One such breakthrough came in the form of shear wave elastography. Ultrasound elastography is still under development in some fields but it's said to be a revolutionary ultrasound technique. If you find yourself wondering about how shear wave elastography works, don’t worry we will cover it in detail in this article.

High-intensity pulses are transmitted into the patient's body for the creation of shear waves. Shear waves are then further calculated to find out the sheer velocity, shear velocity is related to young’s modulus and hence results are interpreted.

Over 1 million patients die due to viral hepatitis all across the globe. The clinical need for shear wave elastography is for early diagnosis of such diseases and more. Furthermore, the technology can also be used to check up on the recovery of diagnosed patients.

Shear wave elastography is considered to be one of the best technologies available in the field of non-invasive radiology. Mostly used around the world to measure or detect liver stiffness, this technology has the potential to help millions across the globe.

Applications of shear wave elastography:

  • Shear wave elastography can be used medically for breast ultrasounds.
  • Prostate ultrasounds are another task that can be accomplished through shear wave technology.
  • Shear wave elastography liver results are highly precise. The technique is used to check for lesions and even for the evaluation of liver diseases.
  • One could also perform various forms of musculoskeletal ultrasounds with the help of shear wave technology.
What exactly is shear wave elastography:

The first sonographic images of the musculoskeletal system were obtained by medical professionals in 1958. Since ultrasonography has become an important part of the medical and healthcare industry. The relatively low cost of the ultrasound in addition to its ability to produce dynamic images made ultrasounds so popular.

The only drawback conventional ultrasound methods face is that the grayscale images are unable to provide any information about the tendon quality in biochemical terms. Ultrasound elastography on the other hand is capable of detecting changes to the tissue due to trauma, disease, or other events. Ultrasound elastography is still being discovered in many fields related to healthcare but currently, there are two versions of It present on the market. The first is shear wave elastography. Shear wave elastography liver radiology is one of the most demanded tests in these modern times.

Shear wave elastography works on the principle of producing waves which are impulses also known as acoustic winds. By measuring the velocity of the shear waves which is in direct relation to the young’s modulus a corresponding map is produced.

The velocity of the shear waves can provide critical information about the quality of tissue and can also detect damage, trauma, and diseases. The potential of shear wave technology is immense and it could turn out to be a breakthrough for bone and joint imaging.

Shear wave elastography liver normal values are in the range of 1.07 and 1.19 m/s. These values are not influenced by other factors such as the age or sex of the individual.

Some points to remember about ultrasound elastography:

  • Shear wave elastography is used as an imaging technique that provides us with an estimate of the tissue stiffness in a particular individual.
  • Strain elastography is the second type of ultrasound elastography that is available in the market as of now. It is used to derive an estimation of relative tissue stiffness or damage.
  • Ultrasound elastography as a whole is a revolutionary technology. It is perfectly able to provide both relative and quantitative results. Such results are based upon one primary factor which is tissue stiffness.
  • Changes or variations in tissue stiffness could be indications of disease in the patient. It could also tell us a lot about tissue damage due to trauma or other external factors.

Since the medical world introduced us to this brilliant technology many people found themselves perplexed with the question of how does shear wave elastography work. It works by calculating shear wave velocity which is in direct relation to the young’s modulus. Through the relation, one can derive results and provide an estimate of the tissue stiffness in a particular individual.

Truscan is a state-of-the-art medical facility providing patients with optimum care and helping them on their road to recovery. The advanced equipment used by the lab plays a huge role in delivering accurate results to the patient. The lab is well equipped to provide the patient with ultrasound elastography. Ultrasound elastography is still in its early stages of development but it surely will be a breakthrough in the field of medicine with the potential to help millions around the globe.

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