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Nature Electronics
Cornell engineers develop simple way to monitor multi-patient vital signs using radio waves
Engineers at Cornell University have developed a simple method for gathering a patient’s vital signs using radio waves. Radio Frequency Identification (RFID) tags use low-power radio frequencies and are similar to the anti-theft tags we find in department stores. These ‘passive’ RFID tags require no batteries, and can transmit information such as heart rate, blood pressure, and breathing rates from multiple patients simultaneously. By measuring internal body motion, such