The number of individuals engaging in a higher level of exercise and activity has been increasing over the past several decades, including professional & intercollegiate sports and intense recreational activities, such as marathons and triathlons. Sports Cardiology is an emerging field dedicated to the care of these patients. David Owens, MD, MS, overviews the new field and details EICR dose-response & test interpretation, underlying conditions capable of causing sudden cardiac arrest, the management of athletes with underlying cardiac conditions and screening for sudden cardiac arrest using ECG.