Abnormal EKG Epsilon wave 2022-07-10T12:29:51Z An electric signal of depolarization observed between the end of the QRS complex and the beginning of the T wave. In arrhythmogenic cardiomyopathy, the epsilon wave is found in the right precordial leads, where the QRS complex is broader than in the left precordial leads with a difference of at least 25 milliseconds.