AIM: The aim of this paper is to present the epidemiological characteristics and problems in the health care of patients treated at the Coronary Care Unit of KBC Split within one year. MATERIALS AND METHODS: In this research, data collected through the BIS KBC Split program were used, and they met the inclusion criteria according to medical diagnosis, i.e. hospitalization in KBC Split at the Heart and Blood Vessel Clinic, Coronary Care Unit - Križine locality for the covered time period January 1, 2022 - December 31, 2022. RESULTS: Based on the analysis of the collected data in the observed period, the total number of hospitalized in the coronary unit is 1237, of which 67.66% are male and 32.34% are female population. The majority of patients are between the ages of 62 and 81, and the stay in the coronary care unit usually lasts one day (39.69%). The leading diagnosis is STEMI with 33.31%. More than half of the patients underwent coronary angiography (50.20%). Most of the patients, 736 of them, stayed without a urinary catheter in the coronary unit. 837 patients were admitted from the inpatient department of the Cardiology Institute, while the frequency of admissions during the months and throughout the year is equal to 7.28-10.67%. CONCLUSIONS: Men were treated more often in the Coronary Care Unit of KBC Split. The most common chronological age of treated patients was born in the period 1941-1960. The most common admission diagnosis is STEMI. The average stay of a patient in the Coronary Care Unit of KBC Split was 1 day, while the most common method of admission to the Coronary Care Unit was from one of the Departments of the Clinic for Cardiovascular Diseases. .The most frequent hospitalization (admission) to the Coronary Care Unit of KBC Split was in the month of March.