Arrhythmia is heart rhythm disorder. It is caused by a disturbance in the creation and / or conduction of an electrical impulse. Arrhythmia is a common cause of the arrival of patients in OHBP. The sister's qualities for such a job would be a high level of education, professionalism and empathy, skill and quick observation power, as well as the possibility of right time and correct intervention, often decision-making autonomy, excellent communication skills and resourcefulness in emergency situations. Goal of work: To show the importance of the nurse's role in treating a patient with arrhythmia at the United Hospital Emergency Reception, based on the results obtained from 2015 to 2017. Materials and Methods: Collecting and processing the patients reception data by filling in a form for electronic check-up, as well as medical documentation completed electronically. The following criteria were used: the total number of patients enrolled in OHBP during the threeyear period, the number of enrolled patients with or without referral number, the total number of patients transferred to the station and the number of patients transferred to the cardiology departments, the number of triage categories for the same and the number of patients with positively filled form with the question of cardiac symptoms upon the arrival of the patient at the triage point, the number of patients with a referral diagnosis of arrhythmia and the number of patients receiving arrhythmia diagnosis. The data subjects were patients admitted to OHBP Zadar under the diagnosis of arrhythmia during the period from 2015 to 2017, regardless of age and sex. Conclusion: In order to improve the treatment of patients with arrhythmia in OHBP, from the nursing point of view,it is necessary to regularly renew the education and training, as well as skill trainings,forming reanimation teams, and correction of structural-organizational problems. With a relatively small amount of engagement, but the serious one, this extremely important healthcare segment can be significantly improved.