Abstract: Objective: This paper summarizes the rescue process of sudden cardiac arrest of an elderly patient waiting for treatment in a specialized stomatology hospital, providing a reference for the development of emergency systems and procedures for specialized stomatology hospitals and dental clinics. Diagnosis and treatment: A 85-year-old female patient in the stomatology hospital suddenly went into cardiac arrest, the stomatology hospital staff immediately carried out cardiopulmonary resuscitation, activated the emergency plan, used emergency drugs, established intravenous channels, carried out endotracheal intubation, ventilator controlled ventilation and a series of emergency measures. The rescue process was tense and orderly. Results: After 62 minutes of emergency treatment, the patient's heartbeat gradually recovered, and the transfer was successfully completed for follow-up treatment. Conclusions: As a staff in a stomatology hospital, it is important to be proficient in a variety of common medical emergency knowledge and skills, such as cardiopulmonary resuscitation, cricothyroidotomy and emergency drug use, etc. At the same time, it is necessary for each department to allocate emergency equipment and drugs reasonably, develop corresponding rescue systems and procedures, and conduct regular first aid drills.

Key words: cardiac arrest, cardiopulmonary resuscitation, emergency medical services, dental management, medical emergencies in dentistry