A 78-year-old man with a history of heart failure presents for routine follow-up 1 week after insertion of a pacemaker. As part of the evaluation, a 12-lead ECG is obtained. The correct diagnosis is ...

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 ...

Balance athletic goals with arrhythmia risk: match the device model and sensor to the sport, and use stress testing to set detection zones and avoid inappropriate therapy.

If the ventricular pacing is originating in the right ventricle like a normal pacemaker, a left bundle branch morphology will be present. This occurs since the right ventricle is activated first and ...

The nitric oxide-independent soluble guanylate cyclase activator ataciguat continued to show promise for slowing the progression of fibrocalcific aortic valve stenosis in phase I and II studies.

NEW ORLEANS, LA—Permanent pacemaker implantation occurs at a higher rate after balloon-expandable transcatheter aortic valve procedures (TAVI) compared with surgery, often occurring early and as a ...

This ECG shows ventricular pacing. Note the pacer spike prior to each QRS complex, most apparent in leads V5 and V6. The P waves appear sinus in origin and have no association with the QRS complexes ...

Having an accelerated junctional rhythm occurs when the atrioventricular node in your heart beats too quickly. It happens as a result of damage to your heart’s primary natural pacemaker. There’s no ...