TRANSIENT arrhythmias are frequently encountered during catheterization of the right side of the heart. 1 They occur most frequently during manipulation of the catheter in the atrium as isolated ...

Background: The availability of stored intracardiac electrograms from implantable defibrillators (ICDs) has facilitated the study of the mechanisms of ventricular tachyarrhythmia onset. This study ...

When implanting a subcutaneous ICD, routine defibrillation testing could be safely skipped when using a scoring system to ...

The PRAETORIAN score is a noninvasive test that gives a score from 30 to 900, which can be interpreted as low risk (<90 ...

The first-of-its-kind Aurora EV-ICD system offers a single-device, single procedure with a lead placed outside of the heart and veins. The FDA has approved the Aurora Extravascular Implantable ...

Ventricular tachycardia arises from an abnormal electrical focus or circuit in the myocardium of the ventricle and is usually manifested as a tachyarrhythmia with a wide QRS complex on ...

An automated external defibrillator (AED) is a device widely available in public which acts to defibrillate (cardiovert) a patient out of serious heart rhythm disorders, frequently ventricular ...

The His–Purkinje system constitutes a tiny fraction of the ventricular mass, but is specialized for rapid synchronous activation of both ventricles The pathogenic role of the Purkinje system is ...

To determine the postshock activation patterns with both successful and failed shocks in a canine model of ventricular fibrillation, and whether piniacidil, an early after-depolarization (EAD) ...

Jon LaPook, M.D. is the award-winning chief medical correspondent for CBS News. Since joining CBS News in 2006, LaPook has delivered more than 1,200 reports on a wide variety of breaking news and ...