Heart rhythm : the official journal of the Heart Rhythm Society
-
Brugada syndrome (BrS) is characterized by repolarization abnormality with ST-segment elevation in the right ventricular outflow tract (RVOT). ⋯ The instability and heterogeneity of repolarization within the epicardium of the RVOT seem to be associated with arrhythmogenesis in both patients and in the in vitro tissue models of BrS.
-
Randomized Controlled Trial Clinical Trial
Electromagnetic interference with pacemakers caused by portable media players.
Electromagnetic fields generated by electrical devices may cause interference with permanent pacemakers. Media players are becoming a common mode of portable entertainment. The most common media players used worldwide are iPods. These devices are often carried in a shirt chest pocket, which may place the devices close to an implanted pacemaker. ⋯ iPods placed within 2 inches of implanted pacemakers monitored via the telemetry wand can cause interference with pacemakers.
-
Clinical Trial
Large, single-center, single-operator experience with transvenous lead extraction: outcomes and changing indications.
Lead extraction is increasingly necessary given the exponential growth in cardiac device implantation. Meanwhile, the tools, indications, and outcomes of this procedure continue to change. ⋯ In a high-volume center, lead extraction has a high success rate and low complication rate. Infection was the most common indication overall. Lead failure has decreased in relative proportion. Implantable cardioverter-defibrillator leads and longer lead implant time are associated with a requirement for laser lead extraction.