Premature Ventricular Complex Trigeminy - EKG Reference Caliper Time Interval: ___ seconds Key Features RhythmIrregular RateThe underlying rate P WaveAbsent PR IntervalNot measurable QRSWide (> 0.10 sec), bizarre appearance NotesPVC appears every third beat Premature Ventricular Complex Trigeminy EKG Reference Quick Links Sinus Atrial Junctional Ventricular Atrioventricular Pacemaker All