
Keywords: فیبریلاسیون دهلیزی; athleteâ²s heart; atrial fibrillation; endurance exercise; FWLS; free-wall longitudinal strain; GLS; global longitudinal strain; LVEDV; left ventricle end-diastolic volume; LVEF; left ventricle ejection fraction; RVEDA; right ventricle end-diastolic are