Perform specific testing techniques to assist in diagnosis, monitoring, treatment and research, including the measurement of ventilatory volumes, pressures and flows, specimen collection of blood and other materials, hemodynamic and other related physiological monitoring of cardiopulmonary systems, including the inserting, monitoring, and maintaining of arterial catheters and the monitoring and maintenance of other cardiovascular indwelling catheters, including central venous and pulmonary artery catheters following appropriate education and training. Utilizes respiratory equipment in all modalities to include but not limited to: medical gases such as oxygen, Heliox, and nitric oxide therapy, IPPB treatments, aerosol treatments, chest physiotherapy and other airway clearance techniques according to physician orders or protocols to meet patient respiratory needs.