Blood Pressure Estimation Algorithm Based on Photoplethysmography Pulse Analyses

Improvements in Indirect Blood Pressure Estimation via Electrocardiography and Photoplethysmography

Abstract—With the rapid adoption of wearable technology, a ubiquitous platform may exist for continuous cuff-less blood pressure monitoring. Devices that monitor photoplethysmography (PPG) and/or electrocardiography (ECG) signals may be capable of accurately estimating blood pressure. Previous work has demonstrated promising estimation techniques, but they remain infeasible for consumer adoptio...

A Noncontact Measurement of Cardiac Pulse Based on PhotoPlethysmoGraphy

Heart rate measurement is important for monitoring people’s phys‐ iological and body state. In this paper, a heart rate measurement methodology based on PhotoPlethysmoGraphy (PPG) signal is proposed. Human face positions are detected and tracked in real time by using facial color videos taken from cameras by non-contact shooting. Signals containing pulse components are extracted from images of ...

Blood Pressure Estimation based on Pulse Transit Time and Compensation of Vertical Position

A chronically high blood pressure (BP) may lead to arteriosclerosis and consequently is a risk factor for apoplectic stroke and cardiac infarction – the main death causes in industrial countries. Hence, blood pressure recently has become one of the most relevant parameters for the assessment of a patients’ health status. For the purpose of a continuous monitoring of cardiovascular patients, we ...

Pulse Pressure Variation Estimation Based on Rank-Order Filters

We describe a methodology to estimate the pulse pressure variation ∆Pp index from the arterial blood pressure (ABP) signal alone. This eliminates the need for simultaneously acquiring and monitoring airway pressure. The technique uses nonlinear rank-order filters to demodulate the respiratory component modulating the ABP signal. Furthermore, we present a simple mathematical model that can be us...

Estimation of Blood Pressure Using Pulse Transit Time