Rate smoothing induced ventricular arrhythmia and syncope: A new device-induced proarrhythmia

Siva K. Mulpuru, Hiroshi Fujita, Cesare Saponieri

Research output: Contribution to journalArticle

Abstract

A 74-year-old male presented to our emergency room with history of sudden onset palpitations associated with syncope. He had a single-chamber implantable cardioverter defibrillator implanted for secondary prevention of sudden cardiac death due to ischaemic cardiomyopathy. Interrogation of the device revealed episodes of non-sustained ventricular tachycardia (NSVT) at 220 ms. Post-tachycardia, another episode of NSVT with longer duration, was induced by rate smoothing pacing algorithm following premature ventricular beats. We describe this unique form of device-related proarrhythmia causing syncope.

Original languageEnglish (US)
Pages (from-to)136-137
Number of pages2
JournalEuropace
Volume12
Issue number1
DOIs
StatePublished - Jan 1 2010

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

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