High flow adult 2 article 2 controlled study 2 high flow nasal cannula therapy 2 human 2 3D printers 1 Acoustic tomography 1 Adaptive boosting 1 Aerodynamics 1 Airway pressures 1 Anatomical dead space 1 Balancing 1 Bathymetry 1 Bellhop3D 1 Bellhop3d 1 Bernoulli 1 Boosted decision trees 1 Dead space 1 Dead space washout 1 Decision trees 1 Digital storage 1 Doppler effect 1 Early prediction 1 Electric impedance 1 Electric impedance measurement 1 Electric impedance tomography 1 Electrical impe dance tomography (EIT) 1 Electrical impedance tomography 1 Fats 1