Exercise cardiac imaging to study right ventricular functional remodelling in athletes with and without ventricular arrhythmias

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Extreme exercise results in heart remodelling for which the long-term consequences are incompletely understood. We have described transient reductions in heart function following endurance sport. However, we have also described a group of athletes with serious heart rhythm problems and sustained right heart abnormalities. Therefore, we hypothesize that extreme exercise can cause potentially serious heart changes in some athletes and that detailed heart assessment during exercise will predict those at greatest risk.