Summary: Emergency services, including Engine 521, Medic 521, and Battalion 523, were dispatched to 12276 Mustang Road in Denton County, Texas, in response to an unconscious female patient. The situation escalated to a cardiac arrest, with responders initiating CPR and coordinating access via a back door with a provided gate code. The patient, described as an 80-year-old female, was initially unconscious and struggling to breathe, later making gurgling noises. The caller had difficulty assisting the patient and communicating with call takers. Responders arrived on scene and continued life-saving efforts.