Daniel Franklin, Andreas Tzavelis, Jong Yoon Lee, Ha Uk Chung, Jacob Trueb, Hany Arafa, Sung Soo Kwak, Ivy Huang, Yiming Liu, Megh Rathod, Jonathan Wu, Haolin Liu, Changsheng Wu, Jay A Pandit, Faraz S Ahmad, Patrick M McCarthy, John A Rogers
Cardiovascular health is typically monitored by measuring blood pressure. Here we describe a wireless on-skin system consisting of synchronized sensors for chest electrocardiography and peripheral multispectral photoplethysmography for the continuous monitoring of metrics related to vascular resistance, cardiac output and blood-pressure regulation. We used data from the sensors to train a support-vector-machine model for the classification of haemodynamic states (resulting from exposure to heat or cold, physical exercise, breath holding, performing the Valsalva manoeuvre or from vasopressor administration during post-operative hypotension) that independently affect blood pressure, cardiac output and vascular resistance...
October 2, 2023: Nature Biomedical Engineering