Under supervision of Fire Rescue Medical Director or a physician, performs the following by protocol and standing orders: defibrillate a pulse less non-breathing patient, administers intravenous electrolyte or glucose solutions, surgical cricothyrotomy on adult complete airway obstruction, needle cricothyrotomy on pediatric complete airway obstruction, intraosseous infusion on the pediatric arrest/trauma alert patient, performs gastric/tracheal suction by intubation, endotracheal intubation, administers injections, documents controlled substance use, and performs other procedures as allowed by emergency medical service rules and regulations and/or by the Fire Rescue Medical Director. Although emergency rescue work, including the administration of emergency medical treatment, is the most difficult and responsible area of activity, a major portion of time is spent on training, studying methods, techniques and organization of pre-hospital care services and on routine duties in the care and maintenance of Fire Rescue Division property and equipment.