Respiratory Care Practitioners engage in the practice of respiratory care. Observing and monitoring of signs and symptoms, general behavior, and general physical response to respiratory care treatment and diagnostic testing, including the determination of whether such signs, symptoms, reactions, behavior, or general response exhibit abnormal characteristics, and the performance of diagnostic testing and therapeutic application of, Medical gases, humidity, and aerosols including the maintenance of associated apparatus, except for the purpose of anesthesia. Pharmacologic agents related to respiratory care procedures, including those agents necessary to perform hemodynamic monitoring. Mechanical or physiological ventilatory support. Cardiopulmonary resuscitation and maintenance of natural airways, the insertion maintenance of artificial airways under the direct supervision of a recognized medical director in a health care environment which identifies these services within the scope of practice by the facility's governing board. Hyperbaric oxygen therapy. New and innovative respiratory care and related support activities in appropriately identified environments and under the training and practice guidelines established by the American Association of Respiratory Care. The term also means the interpretation and implementation of a physician's written or verbal order pertaining to the acts described in this subdivision.