A 76-year-old woman with known ischemic cardiomyopathy, a left ventricular ejection fraction of 25%, and a previously inserted pacemaker presents to her cardiologist concerned that there is a problem ...

The rhythm is regular at a rate of 78 beats/min. Before each QRS complex, there are two pacing stimuli (+,v) with a very short interval (0.06 sec) between them. They are both ventricular pacing ...

This morning Alphabet’s life science subsidiary Verily announced that its Verily Study Watch and its on-demand ECG feature landed a 510(k) clearance from the FDA. The watch is a prescription-only ...

In the normal heart, the heart's lower chambers (ventricles) pump in sync with the heart's upper chambers (atria). When a person has heart failure, often the right and left ventricles do not pump ...

The cardiac pacemaker harmlessly dissolves over the course of 35 days. (Courtesy: Northwestern University) Temporary cardiac pacemakers provide essential pacing for patients with short-term heart ...

Implanting a permanent pacemaker after TAVI for prophylactic reasons is not associated with better clinical outcomes when compared with patients with conduction disturbances and a clear indication for ...