The objective of this study is to evaluate the ability of HVNI next generation nasal cannula designs to effect ventilation and related physiological responses relative to the current cannula design, with which there are published clinical outcomes data. It is hypothesized that next generation nasal cannula designs (Prosoft and Unicorn) will be comparable at relieving patient dyspnea while on HVNI, when compared to the conventional (Legacy) cannula.
This study will evaluate the ability of High Velocity Nasal Insufflation [HVNI] next generation nasal cannula designs to effect ventilation and related physiological responses relative to the conventional legacy cannula design.