6,11 Heart rates ≥30 beats/min are considered normal in highly trained athletes ... 21 However, in ARVC, the IRBBB pattern is usually associated with other ECG abnormalities, such as T wave inversion ...

pathological Q-waves, left axis deviation and conduction delays and findings suggestive or diagnostic of primary electrical diseases such as long QT syndrome and Wolff-Parkinson-White syndrome. The ...