Student invents heart rate measurement system to classify dengue fever… stockbot 0 2 06.20 10:06 https://vietnamnews.vn/society/1657797/student-invents-heart-rate-meas… + 0 https://vietnamnews.vn/rss/society.rss + 0 Compared to commercial heart rate monitors, the new device has an accuracy level of 96 per cent.