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Blood pressure monitoring may one day be easy as taking a video selfie -- ScienceDaily

The researchers compared systolic, diastolic and pulse pressure measurements captured from smartphone videos to blood pressure readings using a traditional cuff-based continuous blood pressure measurement device. The researchers used the data they gathered to teach the technology how to accurately determine blood pressure and pulse from facial blood flow patterns. They found that on average, transdermal optical imaging predicted systolic blood pressure with nearly 95% accuracy and diastolic blood pressure with pulse pressure at nearly 96% accuracy.

Blood pressure recording over 24 hours is the best predictor of heart and vascular disease -- ScienceDaily

"Our research highlights the necessity of using 24-hour measurements to diagnose high blood pressure and to institute and fine tune its treatment," said Dr. Maestre. "Nevertheless, most health insurers in the US reimburse 24-hour ambulatory blood pressure monitoring only when blood pressure is found to be high in the clinical setting, but is suspected to be normal otherwise, or if undetected or masked hypertension is suspected. However, 24 hour ambulatory blood pressure monitoring is cost effective: It enables the prevention of cardiovascular disease by starting treatment in a timely manner."