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Dissimilar ventricular rhythms : implications for ICD therapy

(2013) HEART RHYTHM. 10(4). p.510-516
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Abstract
Sensing of Left ventricular (LV) activity in some devices used for cardiac resynchronization therapy (CRT) was designed primarily to prevent the delivery of an LV stimulus into the LV vulnerable period. Such a sensing function of the LV channel is not universally available in contemporary CRT devices. Recordings of LV electrograms may provide special diagnostic data unavailable solely from the standard right ventricular electrogram and corresponding marker channel. We used the LV sensing function of Biotronik CRT defibrillators to find 3 cases of dissimilar ventricular rhythms or tachyarrhythmias. Such arrhythmias are potentially important because concomitant slower right ventricular activity may prevent or delay implantable cardioverter-defibrillator therapy for a Life-threatening situation involving a faster and more serious LV tachyarrhythmia. Dissimilar ventricular rhythms may not be rare and may account for cases of unexplained sudden death with a normally functioning implantable cardioverter-defibrillator and no recorded terminal arrhythmia.
Keywords
Implantable cardioverter-defibrillator, ventricular tachycardia, ventricular fibrillation, cardiac resynchronization, left ventricular sensing, dissimilar ventricular rhythm, ATRIAL RHYTHMS, TACHYCARDIA, DISSOCIATION, FIBRILLATION, BLOCK

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Citation

Please use this url to cite or link to this publication:

MLA
Barold, S Serge, Andreas Kucher, Herbert Nägele, et al. “Dissimilar Ventricular Rhythms : Implications for ICD Therapy.” HEART RHYTHM 10.4 (2013): 510–516. Print.
APA
Barold, S. S., Kucher, A., Nägele, H., Buenfil Medina, J. C., Brodsky, M., Van Heuverswyn, F., & Stroobandt, R. (2013). Dissimilar ventricular rhythms : implications for ICD therapy. HEART RHYTHM, 10(4), 510–516.
Chicago author-date
Barold, S Serge, Andreas Kucher, Herbert Nägele, José Carlos Buenfil Medina, Michael Brodsky, Frederic Van Heuverswyn, and Roland Stroobandt. 2013. “Dissimilar Ventricular Rhythms : Implications for ICD Therapy.” Heart Rhythm 10 (4): 510–516.
Chicago author-date (all authors)
Barold, S Serge, Andreas Kucher, Herbert Nägele, José Carlos Buenfil Medina, Michael Brodsky, Frederic Van Heuverswyn, and Roland Stroobandt. 2013. “Dissimilar Ventricular Rhythms : Implications for ICD Therapy.” Heart Rhythm 10 (4): 510–516.
Vancouver
1.
Barold SS, Kucher A, Nägele H, Buenfil Medina JC, Brodsky M, Van Heuverswyn F, et al. Dissimilar ventricular rhythms : implications for ICD therapy. HEART RHYTHM. 2013;10(4):510–6.
IEEE
[1]
S. S. Barold et al., “Dissimilar ventricular rhythms : implications for ICD therapy,” HEART RHYTHM, vol. 10, no. 4, pp. 510–516, 2013.
@article{3063097,
  abstract     = {{Sensing of Left ventricular (LV) activity in some devices used for cardiac resynchronization therapy (CRT) was designed primarily to prevent the delivery of an LV stimulus into the LV vulnerable period. Such a sensing function of the LV channel is not universally available in contemporary CRT devices. Recordings of LV electrograms may provide special diagnostic data unavailable solely from the standard right ventricular electrogram and corresponding marker channel. We used the LV sensing function of Biotronik CRT defibrillators to find 3 cases of dissimilar ventricular rhythms or tachyarrhythmias. Such arrhythmias are potentially important because concomitant slower right ventricular activity may prevent or delay implantable cardioverter-defibrillator therapy for a Life-threatening situation involving a faster and more serious LV tachyarrhythmia. Dissimilar ventricular rhythms may not be rare and may account for cases of unexplained sudden death with a normally functioning implantable cardioverter-defibrillator and no recorded terminal arrhythmia.}},
  author       = {{Barold, S Serge and Kucher, Andreas and Nägele, Herbert and Buenfil Medina, José Carlos and Brodsky, Michael and Van Heuverswyn, Frederic and Stroobandt, Roland}},
  issn         = {{1547-5271}},
  journal      = {{HEART RHYTHM}},
  keywords     = {{Implantable cardioverter-defibrillator,ventricular tachycardia,ventricular fibrillation,cardiac resynchronization,left ventricular sensing,dissimilar ventricular rhythm,ATRIAL RHYTHMS,TACHYCARDIA,DISSOCIATION,FIBRILLATION,BLOCK}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{510--516}},
  title        = {{Dissimilar ventricular rhythms : implications for ICD therapy}},
  url          = {{http://dx.doi.org/10.1016/j.hrthm.2012.12.004}},
  volume       = {{10}},
  year         = {{2013}},
}

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