At the University of South Australia, researchers designed a system that allows them to measure a patient’s blood pressure with a camera. The camera visualizes the patient’s forehead and focuses on two regions in particular to optically determine photoplethysmographic signals that AI algorithms then convert to blood pressure data. The researchers tested their system in 25 volunteers, and so far it has proven to be approximately 90% as accurate as traditional pressure cuff measurements. The system could provide contact-free measurements in as little as ten seconds, and could be very useful for large health screens or in situations where minimal contact is preferred for safety, such as during a pandemic.
Blood pressure is a key health indicator, but our method of measuring it can be a little cumbersome. Inflatable cuffs can be uncomfortable and a bit of a faff to use. If we could develop a non-invasive and rapid alternative,