Patients who received a leadless pacemaker had similar rates of acute complications and survival at 30 days as those who received a transvenous VVI pacemaker, according to data presented at the ...

The rhythm is regular at a rate of 120 beats/min. A pacemaker stimulus occurs before each QRS complex (→). This is ventricular pacing. Because the pacing rate is 120 beats/min, the mode of pacing must ...