Key result
The BioWatch wrist system measures electrocardiogram and photoplethysmogram signals to determine pulse transit time, offering a potential method for continuous blood pressure monitoring.
A wrist watch based system called BioWatch can potentially facilitate continuous monitoring of ECG, PPG, and blood pressure.
A wrist watch based system, which can measure electrocardiogram (ECG) and photoplethysmogram (PPG), is presented in this work. By using both ECG and PPG we measure pulse transit time (PTT), which is known to correlate well with the blood pressure (BP) [1]. This system, called BioWatch, can potentially facilitate continuous and ubiquitous monitoring of ECG, PPG and BP.
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Thomas et al. (2014) studied this question. The BioWatch wrist system measures electrocardiogram and photoplethysmogram signals to determine pulse transit time, offering a potential method for continuous blood pressure monitoring.
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