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Introduction: Interpreting repolarization changes in the electrocardiograms of athletes present a clinical challenge. Aim: Assessment of cardiac repolarization by T-wave morphology using the Morphology Combination Score (MCS), and evaluate how this quantitative description of T-wave morphology was influenced by the sport performed. Materials and methods: Digital electrocardiograms of 469 young elite athletes were analyzed for T-wave asymmetry, flatness and notching, and combined in the MCS. Athletes > 22 years were compared to a sex-and age matched control group from the general population (N = 198). Results: MCS increased with increasing endurance component of the sport performed ranging from 0.79 ± 0.15 (low) to 0.92 ± 0.21 (high) (p < 0.0001). All subcomponents of MCS were increased compared to controls. MCS was unrelated to age, sex and ECG findings of the athlete's heart. Conclusion: This study suggests that sport induces repolarization changes detected by T-wave morphology, and a greater level of changes is seen in athletes from high endurance sports.
|Tidsskrift||Journal of Electrocardiology|
|Status||Udgivet - 1 mar. 2018|