Health
Can Current Smartphone Technology Tell You When a Pandemic Might Come Calling? – UC San Diego Health
UC San Diego researchers find that an optical tool already embedded in many smartphones can accurately diagnose blood-oxygen levels and help monitor respiratory…
Many smartphones are already embedded with the technology to use pulse oximetry, an optical tool able to measure oxygen levels in the blood and heart rate.Photo courtesy of Pixabay
Photoplethysmography (PPG) is a simple optical technique used to detect volumetric changes in peripheral blood circulation. It’s used in smart watches, for example, to monitor pulse and heart rate, but PPG biosensors are also found in millions of smartphones, but without any current clinical applications.
In a study published…
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