Key result
In two patients with Long QT syndrome and an ICD, T wave oversensing was identified as a complication, highlighting the need to avoid interventions that adversely affect repolarization.
Why the study?
What are potential interactions between Long QT syndrome and ICDs, and how can they be managed?
Case Report (n=2)
What are potential interactions between Long QT syndrome and ICDs, and how can they be managed?
Answers are grounded in this paper and cite their sources.
In patients with LQTS and an ICD, T wave oversensing should be considered and interventions that may adversely affect repolarization should be avoided.
Implantable cardioverter-defibrillators (ICDs) have been a successful adjunct to the management of arrhythmias in patients with Long QT syndrome (LQTS). In two patients, interactions between LQTS and the ICD were diagnosed and corrected. Oversensing of T waves was confirmed in the first, while in the second, the arrhythmia disappeared when T wave abnormalities improved after cessation of H2 blocker therapy. In patients with LQTS and an ICD, T wave oversensing should be considered. Interventions that may have an adverse effect on repolarization should be avoided.
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Perry et al. (1996) conducted a case report in Long QT syndrome (LQTS) with Implantable Cardioverter Defibrillators (ICDs) (n=2). Implantable cardioverter-defibrillators (ICDs) was evaluated on Interactions between LQTS and the ICD (T wave oversensing). In two patients with Long QT syndrome and an ICD, T wave oversensing was identified as a complication, highlighting the need to avoid interventions that adversely affect repolarization.
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