Abstract: In times of pandemics, mechanical ventilators are indispensable for delivering controlled inspired oxygen (FiO2) to maintain appropriate blood oxygen saturation levels (SaO2). Abrupt drops ...

Abstract: We describe an evaluation of photoplethysmography (PPG) signals with two wavelengths channels (infrared and red) using a wrist-worn sensor for the estimation of heart rate variability (HRV) ...