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 ...
Denver, CO - Perhaps you've seen them—compact, electronic devices with complex circuitry and sophisticated programming, a state-of-the-art battery, and a single external wire separating into two leads ...
When a heart patient with an implanted pacemakerundergoes electrocardiogram testing,the cardiologist must be able to detect thepresence and effects of the pacemaker (seesidebar, “When the heart’s ...