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 ...

A 76-year-old woman presents with a persistently rapid heart rate that she attributes to her pacemaker. What does the ECG ...

This is not quite the typical "sawtooth" pattern for atrial flutter, but it is similar. Also note the pacing spikes on this ECG are quite large. Older devices that were unipolar appeared like this ...

Seeing a loved one pass out with their eyes rolled back is a terrifying thing to experience. That minute or two you li ...

Patients requiring a pacemaker often have atrial fibrillation (AF), which increases the risk of thromboembolism and, consequently, the risk of morbidity and mortality. To maintain sinus rhythms ...