This ECG has ventricular pacing as seen by pacemaker spikes prior to each QRS complex, however has a more right bundle branch appearance. This is a biventricular pacemaker which has one lead in ...

Wandering atrial pacemaker is similar to multifocal atrial tachycardia except the heart rate is normal ― that is, less than 100 beats per minute. Wandering atrial pacemaker occurs when multiple ...