This research study because you participate in long distance triathlon of Embrun. In recent years, there has been a craze for races at increasingly longer distances (ultra-endurance) with risks to the cardiovascular system poorly identified. In the short term, cardiac functional ultrasonographic changes and disturbances of biomarkers such as troponin are reported in participants in long-term endurance trials, assuming myocardial remodeling and transient tissue damage leading to suffering or "heart fatigue". These constraints could, to the extreme, favor the development of arrhythmia at the atrial and ventricular stages. Cardiac alterations are nevertheless poorly characterized and the consequences, in particular the risk of ventricular rhythm disturbance, have not been studied.The aim of this study is to investigate the relationship between right ventricular functional abnormalities and the occurrence of ventricular rhythm disturbance, following intense and prolonged exercise, in healthy triathletes subjects.
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Test correlation between functional of RV changes after the race and apparition of VEB
Timeframe: 2 or 1 day(s) before the race and 3 days after