Accelerated Idioventricular Rhythm - EKG Reference Caliper Time Interval: ___ seconds Key Features RhythmRegular Rate50-120 bpm P WaveAbsent PR IntervalNot measurable QRSWide (>0.10 sec), bizarre looking Notes Accelerated Idioventricular Rhythm EKG Reference Quick Links Sinus Atrial Junctional Ventricular Atrioventricular Pacemaker All