Smartphone users can get a picture of their heart health using their phone's camera and a new mobile application. A user holds his finger to the camera's lens to measure blood flow, heart rhythm, respiration rate and blood-oxygen content. According to professor Ki Chon of Worcester Polytechnic Institute, who developed the tool, the app has the potential to be used on almost any phone with a video camera, and produces results on par with monitoring tools used in hospitals.
A smartphone app with its finger on the pulse
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