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AI laser that reads heartbeat through the throat could replace stethoscopes
(www.theguardian.com)
this post was submitted on 03 Dec 2023
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Scientists have developed a laser camera that can read a person’s heartbeat at a distance and pinpoint signs that they might be suffering from cardiovascular illnesses.“This technology could be set up in booths in shopping malls where people could get a quick heartbeat reading that could then be added to their online medical records,” said Professor Daniele Faccio of the university’s Advanced Research Centre.
Other devices would include monitors to track blood pressure abnormalities or subtle changes in gait – an early sign of the onset of Alzheimer’s disease.
“We use advanced computing systems to filter out everything except the vibrations caused by a person’s heartbeat – even though it is a much weaker signal than the other noises emanating from their chest.
Analysis of the resulting signals allows health staff to detect changes in heart rate – not against a statistical average for a population but against a person’s own specific cardiac behaviour.
That makes it invaluable in spotting changes that might be occurring in their heart and to pinpoint specific defects, said Faccio, whose team has established a start-up company, LightHearted AI, which is now seeking venture capital to expand development of their devices.
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