Accurate Blood Pressure Application – The new system that measures blood pressure with video calls has an accuracy of 95 percent, but has not been tested on a wide range of skin tones.
There is currently an app that uses this technology called Anura, but it only tracks heart rate at this point.
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It is not clear whether the system works on very dark or very light skin. Because the initial training data are mainly East Asian and European faces.
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An exciting new technology called transcutaneous optical imaging. It can make your smartphone an accurate diagnostic device. It can measure your blood pressure by analyzing a short video. Take pictures of your face Research conducted by the University of Toronto has shown that the system is 95 percent accurate and a smartphone app has been developed.
Consider the enormous computing power we have in our pockets. It is not unexpected that many developers and engineers are working hard to turn our smartphones into supercharged health diagnostic devices.
Although many of the interesting innovations require additional add-ons to do things like analyze your breath or check your blood. But some of the most specialized inventions require nothing more than a smartphone. Notable recent examples include tracking red blood cells with the phone’s camera and flash. Identifying sleep apnea with sonar and diagnosing ear infections with plain paper.
Blood pressure testing is one of the most common diagnostic procedures that almost everyone has experienced at some point. A common device that we are all used to measure our blood pressure is called a blood pressure monitor. And while modern iterations of the device have DJs DJs. They still have to use large inflatable cuffs to wrap our arms.
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One of the latest smartphone-based blood pressure innovations uses a small case that attaches to the back of your smartphone. By pressing your finger against the sensor assembly, the device will be able to monitor your systolic and diastolic blood pressure through the diagonal palmar arch on your finger. Recently, the system demonstrated how to use existing sensors to measure a person’s blood pressure.
The new system is probably the most important innovation to date. It can accurately measure blood pressure by analyzing a short 30-second video of a person’s face. The technology was discovered by accident when two researchers found this innovation while trying to invent a contactless lie detector.
Researchers have discovered that optical sensors on smartphones are sensitive enough to detect red light from a person’s face. The red light is reflected from the hemoglobin under the skin. And with a properly trained algorithm can therefore function as an effective measure to measure above all, blood pressure
From a video recorded by technology you can see the blood flow in different parts of the face and the blood flow in the face. You’ll get a lot of information,” explains lead author Kang Lee. New study and co-founder of Nuralogix, a startup working to turn the technology into commercial smartphone apps.
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The current algorithmic model described in the new paper is able to achieve an accuracy rate of about 95 percent for three different blood pressure measurements: systolic, diastolic, and systolic and pulse. Speaking before it can be widely deployed in a typical setting.
The current technology is only trained on data sets from subjects with relatively normal blood pressure. The researchers indicate that more information is needed from people with hypertension and hypertension for the model to understand the relationship between facial data and blood pressure in such cases.
“To improve the usability of our apps, especially for people with high blood pressure. We need to collect a lot of information from them. Which is very difficult because most of them are already on drugs,” explained Lee. We cannot tell them not to take their medication. But sometimes we found participants who did not take drugs. So we get people with high blood pressure and hypotension on the way.
Another major obstacle for the research was whether the system worked for dark or light subjects. The present study was completed with East Asian or European subjects. So it is not clear how effective this system is for very dark or very fair skin tones. The researchers suggested that the system would work in these cases, however, more work is needed to expand the racial samples and validate the results.
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Now, a spin-off from researchers using transdermal optical imaging technology has released an app. An app called Anura only measures heart rate at the moment. The company claims to launch a version of the app with blood pressure tracking in mainland China later this year.
Rich has written for many online and print media over the past decade. At the same time served as a film critic for several radio broadcasters and podcasts. His interests focus on psychedelic science, new media, and scientific curiosity. Rich earned a Master of Arts degree in 2013 before joining New Atlas in 2016. A team of researchers from Michigan State University developed an iPhone X app that measures blood pressure through
A proof-of-concept blood pressure app has been designed that can take an accurate reading with an iPhone Image credit: Michigan State University
“By using the optical sensors and force sensors built into smartphones to take and use selfies, we have created a practical tool for blood pressure monitoring,” said Professor Ramakrishna Mookkamala of Michigan State University.
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“Such widespread monitoring of blood pressure could improve hypertension awareness and control rates. Thereby reducing the incidence of cardiovascular disease and death.
At the beginning of the year Professor Mukmala and his colleagues proposed the idea of inventing a blood pressure app and hardware.
With a combination of smartphones and optical sensors and auxiliary sensors. They produced a device that was comparable to hand readings. Which is normal in most medical settings.
Pinch and pop are available for users who want to open functions and apps with a simple finger press. It is now standard on many iPhones and included on some Androids.
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“If things go at their current pace, the app could be available by the end of 2019,” said Mukmala.
Abroad, this app could be a game changer. Although high blood pressure can be treated with lifestyle modifications and medications, only about 20% of people with high blood pressure can control their symptoms.
“The invention gives patients a convenient option. By keeping a record of daily measurements, there will be an accurate average,” said Professor Muk Kamala.
Anand Chantrasekhorn et al, 2018. iPhone application to measure blood pressure using massometric finger pressure method, report 8, article number: 13136; DOI: 10.1038/s41598-018-31632-x Measure your blood pressure regularly to help your healthcare team diagnose health problems early. You and your healthcare team can take steps to control your blood pressure if it gets too high.
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Measuring your blood pressure is the only way to know if you have high blood pressure. High blood pressure often has no warning signs and many people don’t know they have it.
Take this form [PDF – 105 KB] with you to your first blood pressure appointment to record important information about your blood pressure.
It is important to get an accurate blood pressure reading to give you a clearer picture of your cardiovascular risk.
If your blood pressure reading is taken to be lower than it really is, you feel insecure about your health. Higher than true blood pressure readings can lead to unwanted treatment.
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Learn how to measure your blood pressure correctly. Whether you go to the doctor’s office or at home, use this checklist:
First, a healthcare professional wraps an inflatable cuff around your arm. The healthcare professional then tightens the cuff, which gradually tightens your arm. The cuff has a gauge that will measure your blood pressure.
Health care professionals will gradually release air from the cuff while listening to your pulse with a stethoscope and looking at the gauge. The process is quick and painless. If a digital or automatic blood pressure monitor is used, medical personnel will not need a stethoscope.
The measurement uses a unit of measurement called millimeters of mercury (mmHg) to measure the pressure in your stream.
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If you have high blood pressure talk to your healthcare team about steps you can take to control your blood pressure to reduce your risk of cardiovascular disease.
Use this list of questions to ask your healthcare team [PDF – 173 KB] to help you manage your blood pressure.
Talk to your healthcare team about measuring your blood pressure regularly at home. Also known as self-monitoring of blood pressure (SMBP).
SMBP means you use a personal blood pressure monitor on a regular basis.
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