Replacing devices based on 19th-century technology* and still in use, Cornell Universityengineers 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.
The RFID tags measure internal body motion, such as a heart as it beats… read more