Frequency of Electrocardiographic Changes in Trained Athletes in the Republic of Macedonia.

Background: The use of a 12-lead electrocardiogram (ECG) in the screening of young athletes still has some controversies regarding the cost-benefit of the procedure.

Aim: We wanted to identify types and frequency of ECG changes in athletes in the Republic of Macedonia as well as its relation to age, gender, duration, frequency and type of sports.

Methods: The study population included 256 trained amateur athletes who were prospectively examined.