Researchers Have Tested A Technology Called Transdermal Optical Imaging.

Highlights

Study shows facial videos can include information about blood pressure

It has been published in the journal Circulation: Cardiovascular Imaging

Researchers believe the new technology is highly accurate.

New technology is designed to measure blood pressure through smartphone-captured facial videos


In good news for people who have blood pressure (BP) problems, monitoring BP might one day become as easy as taking a video selfie.

Researchers have tested a technology called transdermal optical imaging that measures blood pressure by detecting blood flow changes in smartphone-captured facial videos.

"This study shows that facial video can contain some information about systolic blood pressure," said researcher Ramakrishna Mukkamala, Professor at the Michigan State University.

Ambient light penetrates the skin's outer layer allowing digital optical sensors in smartphones to visualise and extract blood flow patterns, which transdermal optical imaging models can use to predict blood pressure.

"High blood pressure is a major contributor to cardiovascular disease -- a leading cause of death and disability. To manage and prevent it, regular monitoring of one's blood pressure is essential," said study lead author Kang Lee, Professor at the University of Toronto in Canada.

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