The<unk>  is found in about 50% of patients with ARVD.  This is described as a terminal notch in the QRS complex.  It is due to slowed intraventricular conduction.  The<unk>  may be seen on a surface EKG; however, it is more commonly seen on signal averaged EKGs.
The ECG below shows<unk>  (red triangle) seen in ARVD
The ECG below shows<unk> .
Epsilon wave
Sine wave pattern
Precordial thump
V wave
A wave
Wave sign
U wave alternans
The U Wave