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Implantable cardioverter-defibrillators (ICDs) improve survival when used as primary or secondary prevention therapy in patients with a broad spectrum of disorders associated with a high risk of sudden death. As indications continue to be refined, attention has increasingly turned to ICD-related complications and their impact on quality of life. Foremost(More)
BACKGROUND Optimization of atrioventricular (AV) and interventricular (VV) intervals may improve cardiac resynchronization therapy (CRT) response but is a complex task. Fusion with intrinsic conduction may increase the benefit of CRT. The aim was to describe fusion-optimized intervals (FOI), a new method of optimizing CRT based on QRS duration. METHODS(More)
Implantable cardioverter-defibrillators (ICD) are widely regarded as the treatment of choice for primary and secondary prevention against sudden cardiac death across a broad spectrum of underlying pathologies. Over the past 20 years, ICDs have evolved into complex multifunctional units capable of recording, chronicling, self-testing, and delivering(More)
A 36 year-old man with hypertrophic cardiomyopathy and an ATLAS + DR implantable cardioverter defibrillator (ICD) (St. Jude Medical, Inc., St. Paul, MN, USA) for primary prevention received a shock while cycling. The ventricular fibrillation detection threshold was 182 beats/min. An additional monitoring zone was programmed to 156 beats/min with all(More)
Ventricular tachycardia episodes terminating during or immediately after device charging are not expected to be treated by current implantable cardioverter defibrillators as shocks are non-committed. For proper troubleshooting, the reconfirmation algorithm will be reviewed.