QRS duration greater than 120 milliseconds Absence of Q wave in leads I, V5 and V6 Monomorphic R wave in I, V5 and V6 ST and T wave displacement opposite to the major deflection of the QRS complex ...

This ECG also meets the Brugada Criteria for concordance. In this LBBB pattern, all the QRS complexes are negative in the precordial leads. In this ECG example of AIVR, note the right bundle ...

Results 94% of rowers had one or more training-related ECG patterns including sinus bradycardia (51%), sinus arrhythmia (55%), and incomplete right bundle branch block (42%). Males were more likely ...