Sudden cardiac death occurs as the name suggests suddenly and unexpectedly. It can occur without prior symptoms and warning, but it can precede also by arrhytmias, retrosternal pain and other various symptoms. In order to better understand sudden cardiac death this paper will explain the epidemiology, etiology and prevention of occurrence. Cardiopulmonary resuscitation is an emergency procedure that is carried out at the time of sudden cardiac death. After the aforementioned emergency procedure, further medical attention is required. This paper will specifically explain sudden cardiac death in athletes. Sports have positive effects on cardiovascular health as well as physical activity. In addition to the positive effects, sport can also bring certain risks and therefore systematic examinations are necessary. Specific cardiological examinations are also important so that sudden cardiac death can be prevented if possible. Sudden cardiac death in sports can occur during training or sports competition. The causes can be different – from coronary artery disease, arrhytmias, hereditary diseases or the use of prohibited substances. Due to the conditions and circumstances in which athletes find themselves, it is necessary to know the specifics of cardiopulmonary resuscitation which will depend on the speed of the intervention, the presence of a defibrillator, the training of personnel, the specifics of the procedure and will ensure better results than in general population. Secondary prevention of sudden cardiac death of athletes takes into account risk factors and adequate medical care to prevent the possibility of relapse. It is important to conduct medical examinations, control risk factors, educate about the problem, proper plan and program of the training process, use protective equipment and regularly monitor the health condition of athletes. Rehabilitation after sudden cardiac death includes medical monitoring, physical rehabilitation, psychological and social support and education. It is necessary to educate athletes, but also caregivers and persons in charge of the plan and program of the training process. Key words