during the same burst of right atrial pacing as in Figure 1. H = His bundle spike. Other abbreviations as in Figure 1. Ladder diagram example explaining the postulated mechanisms for the EKG ...

Russia’s invasion of Ukraine, however, has quickly propelled enlargement back to the top of the bloc’s agenda, with its leaders determined to convert the so-called “gray zone” between the ...

Atrial fibrillation is the most common cardiac arrhythmia worldwide and prevalence is expected to continue rising at an exponential rate with an aging population and increasing rates of obesity ...

there’s a good chance that atrial pacing is still present. Generally speaking, a ventricular paced rhythm will show left bundle branch (LBBB) morphology in lead V1. This ECG shows right bundle ...