A new low-cost, simple way to measure medical vital signs with radio waves

December 18, 2017

Replacing devices based on 19th-century technology* and still in use, Cornell University engineers have developed a simple method for gathering blood pressure, heart rate, and breath rate from multiple patients simultaneously. It uses low-power radio-frequency signals and low-cost microchip radio-frequency identification (RFID) “tags” -- similar to the ubiquitous anti-theft tags used in department stores.