Performs respiratory therapeutics including oxygen administration and weaning, aerosol and humidity therapy, IPPB, Incentive Spirometry, airway maintenance, bronchial hygiene, chest physiotherapy, CPR, and mechanical ventilation. Performs and reports prescribed cardiopulmonary diagnostic procedures such as arterial blood gas analysis, pulse oximetry, and pulmonary function studies. Prepares treatment evaluations, assembles, checks, operates, and troubleshoots cardiopulmonary equipment. Participates in infection control, safety, and quality assurance tasks.