VT counter 2

Patient implanted with a dual-chamber ICD (Evera XT DR) for right ventricular arrhythmogenic dysplasia with multiple episodes of ventricular tachycardia; 3 detection zones were programmed with a VT zone between 360 and 300 ms; the analyzed episode was diagnosed as VT by the device; the purpose of this tracing is to highlight the need to properly program the lower limit of the VT zone.