Abstract
A 78-year-old man with ischemic cardiomyopathy (NYHA Class IV, left-ventricular ejection fraction 14%) and renal failure underwent implantation of a prophylactic, cardiac-resynchronization ICD in 2005. He had sinus rhythm with first degree AV block and left bundle branch block. His heart failure improved to Class III and ejection fraction improved to 21%. Bradycardia pacing parameter changes are discussed.
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Reference
Sweeney MO, Ruetz LL, Belk P, Mullen TJ, Johnson JW, Sheldon T. Bradycardia pacing-induced short-long-short sequences at the onset of ventricular tachyarrhythmias: a possible mechanism of proarrhythmia? J Am Coll Cardiol. 2007;50(7):614–22.
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Friedman, P.A., Swerdlow, C.D. (2020). Pacing Related Proarrhythmia. In: Natale, A., Wang, P., Al-Ahmad, A., Estes, N. (eds) Cardiac Electrophysiology. Springer, Cham. https://doi.org/10.1007/978-3-030-28533-3_169
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DOI: https://doi.org/10.1007/978-3-030-28533-3_169
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