Cardiac arrhythmias are relatively common, some meaning only discomfort to the patient, while others, may be life-threatening or a sign of an even more serious heart or other organ disorder. Through interventions, the nurse, in addition to providing care to the patient in need, is a mediator between the patient and the doctor, is responsible for observing the patient's condition from minute to minute and begins therapy according to their own competencies. Health education is one of the most important activities of a nurse. The main goal of education is to train the patient to recognize arrhythmia, and to adopt positive health habits so that the patient can influence the occurrence of arrhythmia. It is extremely important to be educated about diet, medication, and lifestyle after the installation of a pacemaker. OBJECTIVE: To determine the impact of nursing interventions on improving the quality of life on patients with implanted pacemakers. It will be investigated to what extent pre-procedure education affected patient satisfaction, how much patients felt fear and anxiety immediately before the procedure, and how much family history was associated with the onset of the disease. RESEARCH METHODS: The research will be conducted by reviewing the literature, and by researching the data of the Department of Cardiology with the Coronary Unit in OB Dubrovnik. The study will be on a sample of 36 patients, retrospectively using a structured questionnaire containing 10 questions directed towards the goal of the work. Data from the hospital BIS and SDK, and from the protocol of Surgical Operations in the period from 1. February 2018. to 1. February 2019. will be used. RESULTS: The analysis of the data will determine the importance of education before and after the implementation of the installation of electrical stimulators. The results will show how much the nurse’s interventions have an impact on patient satisfaction. The results will show how much the family history is related to the incidence of the disease.