The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:
Any circumstance that calls for immediate action and in which the element of time in transporting the sick, wounded or injured for medical treatment is essential to the health or life of the person. Such circumstances include, but are not limited to, accidents generally, traffic accidents and acts of violence resulting in personal injury and sudden illness.
Any motor vehicle especially designed, constructed, equipped and used for transporting the injured or sick in answer to an emergency call.
Any request for ambulance service that is made by telephone or other means of communication in circumstances which are, or have been represented to be, an emergency and requiring immediate ambulance service.
The emergency ambulance trip to the place where the emergency exists, or from the place of such emergency to a hospital, medical clinic or office or other appropriate destination for the patient.
The chief of the fire department of the city or his duly authorized representative.
(1999 Code, sec. 34-22)