World’s First Stretchy E-Tattoo to Monitor ECG and SCG

World's First Stretchy E-Tattoo to Monitor ECG and SCG
Credit: The University of Texas at Austin

Engineers of University of Texas at Austin developed the World’s First Stretchy E-Tattoo to Monitor ECG and SCG. What? World’s First Stretchy E-Tattoo to Monitor ECG and SCG, But Soft e-tattoos for monitoring ECG data has been available in the market for a while now, I agree they are but what about soft or stretchy SCG tattoo? Soft or stretchy SCG tattoo is still not available in any market and this is something new and special about this invitation.

A team of engineers at the University of Texas, Austin led by Nanshu Lu have got the success in making the heart monitoring sensor from stretchy, lightweight material. These E-tattoo developed by the engineers have proved to be successful in all the test conducted in the laboratory. It is now expected that these E-Tattoo will reveal the condition of the heart more accurate than the commonly used electrocardiograph machines. So what does the new e-tattoo do?

What Is Special About This New E-Tattoo

The new graphene-based wearable e-tattoo is the latest incarnation of Lu’s electronic tattoo technology. It is designed in a way that they can be easily placed on anyone’s skin. The piezoelectric polymer is the thing that used in making the new E-tattoo. Piezoelectric polymer known as polyvinylidene fluoride has the capability of generating its own electric charge in response to mechanical stress. This device has also incorporated 3D digital image correlation technology, which is used for mapping chest vibration so that the best location for placing e-tattoo on the chest can identity from where we can get the most accurate results.

Two other major points that make this new E-tattoo more special are that this E-Tattoo is very light weighted and stretchable, due to which the patient does not feel too heavy or uncomfortable and that’s why patients can wear this for a long period.

How Does this New E-tattoo Work?

As I mentioned before, first you have to place the E-tattoo at the best place on the chest from where you can get the accurate results, and as per the tests reports, it needs to be placed directly above the heart for the best results. Once after placed on the correct location, it will measure a variety of body responses from electrical to biomechanical signals.

This nano wearable device is developed for measuring cardiac health in two ways electrocardiography (ECG) and seismocardiography (SCG). It takes readings of both simultaneously and what is more, it can collate this information simultaneously. This makes it the world’s first thinnest, and stretchable device that is capable of doing this. And this E-Tattoo device has been powered from a smartphone via wireless technology.

World's First Stretchy e-tattoo to Monitor ECG and SCG
credit: The Week

“We can get much greater insight into heart health by the synchronous collection of data from both sources,” said Nanshu Lu, an associate professor in the departments of Aerospace Engineering and Engineering Mechanics and Biomedical Engineering.

Why We Need This E-Tattoo

Now a question arises here, why? Why we need this E-tattoo device when the electrocardiograph machines are already available to know the condition of our heart?

Heart disease is the leading cause of death for both men and women. As per a report by the American Heart Association indicates that:

  • 116.4 million, or 46% of US adults are estimated to have hypertension. These are findings related to the new 2017 Hypertension Clinical Practice Guidelines.
  • On average, someone dies of CVD every 38 seconds. About 2,303 deaths from CVD each day, based on 2016 data.
  • On average, someone dies of a stroke every 3.70 minutes. About 389.4 deaths from stroke each day, based on 2016 data.

From these figures, you have come to understand how heart disease is increasing, and in order to fight such situations, it is important that we use a device like E-Tattoo. You must be thinking now, when the electrocardiograph machines are already available to know the condition of our heart, so why we need new devices like e-tattoo? So the answer is, for accurate results.

The readings of ECG alone are not accurate enough to determine heart health, but they provide additional information when combined with SCG signal recording. Like a format of quality control, SCG indicates the accuracy of ECG readings. And for accurate results, we need devices like E-tattoo, though Soft e-tattoo devices for monitoring ECG data has been already available in the market for a while but stretchy SCG is not that’s why we need this new E-Tattoo device.

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So that is all about the world’s first stretchy e-tattoo to monitor ECG and SCG. Hopefully, the information given by us will prove useful to you. Still, if you have any questions about the newly developed e-tattoo to monitor ECG and SCG, you can ask us in the comments section.

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