Table 1

Classification of abnormalities of the athlete's ECG8

Common and training-related
ECG changes
Uncommon and training-unrelated
ECG changes
Sinus bradycardia
First-degree AV block
Incomplete right bundle branch block
Early repolarisation
Isolated QRS voltage criteria for
left ventricular hypertrophy
T-wave inversion
ST segment depression
Pathological Q waves
Left atrial enlargement
Left axis deviation/left anterior
Right axis deviation/left posterior
Right ventricular hypertrophy
Ventricular pre-excitation
Complete left or right bundle branch
blockLong/short-QT interval
Brugada-like early repolarisation