Category: Blood Pressure
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Continuous, cuffless blood pressure monitoring via graphene tattoo
Deji Akinwande, Roozbeh Jafari, and UT Austin colleagues have developed an electronic wrist tattoo that can be worn for hours and deliver highly accurate, continuous blood pressure measurements. This can provide a much clearer picture of a person’s health than occasional, cuff based measurements at a physicians office, or at home. Smart watches are not…
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Cuffless blood pressure measurement via selfie video
Kang Lee, Zong Ping Feng, Paul Zheng, and University of Toronto colleagues are measuring blood pressure using a selfie video and transdermal optical imaging technology. Because of its translucency, phone optical sensors can capture red light reflected from hemoglobin under skin, allowing TOI to visualize and measure blood flow changes. In a study, two-minute iPhone…
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Small ultrasound patch detects heart disease early
Sheng Xu, Brady Huang, and UCSD colleagues have developed a small, wearable ultrasound patch that monitors blood pressure in arteries up to 4 centimeters under the skin. It is meant to detect cardiovascular problems earlier, with greater accuracy Applications include continuous blood pressure monitoring in heart and lung disease, the critically ill, and those undergoing…
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Continuous blood pressure monitoring glasses
Microsoft’s Glabella glasses, developed by Christian Holz and Edward Wang, will have integrated optical sensors that take pulse wave readings from three areas around the face, according to their recently granted patent. Blood pressure is calculated by measuring the time between when blood is ejected from the heart and reaches the face. The researchers believe that…
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Algorithm predicts low blood pressure during surgery
UCLA’s Maxime Cannesson has developed an algorithm that, in a recent study, predicted an intraoperative hypotensive event 15 minutes before it occurred in 84 percent of cases, 10 minutes before in 84 percent of cases, and five minutes before in 87 percent of cases. The goal is early identification and treatment, to prevent complications, such…
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Thin, flexible, adhesive, continuous, cuffless blood pressure sensor
Zhao Ni and Yuan-ting Zhang of the Chinese University of Hong Kong have developed an ultra-thin, waterproof, cuffless blood pressure sensor that can be worn on the wrist, woven into clothes or bed sheets, or integrated into an earpiece. The monitor detects blood flow and monitors health data through color reflected by skin and image depth.…