ICD discrimination of SVT versus VT with 1:1 V-A conduction: A review of the literature

Autor: Rhanderson N. Cardoso, Chris Healy, Juan Viles-Gonzalez, James O. Coffey
Jazyk: angličtina
Rok vydání: 2015
Předmět:
Zdroj: Indian Pacing and Electrophysiology Journal, Vol 15, Iss 5, Pp 236-244 (2015)
Druh dokumentu: article
ISSN: 0972-6292
DOI: 10.1016/j.ipej.2016.02.006
Popis: Inappropriate ICD shocks are associated with increased mortality. They also impair patients' quality of life, increase hospitalizations, and raise health-care costs. Nearly 80% of inappropriate ICD shocks are caused by supraventricular tachycardia. Here we report the case of a patient who received a single-lead dual-chamber sensing ICD for primary prevention of sudden cardiac death and experienced inappropriate ICD shocks. V-A time, electrogram morphology, and response to antitachycardia pacing suggested atrioventricular nodal reentry tachycardia, which was confirmed in an electrophysiology study. Inspired by this case, we performed a literature review to discuss mechanisms for discrimination of supraventricular tachycardia with 1:1 A:V relationship from ventricular tachycardia with 1:1 retrograde conduction.
Databáze: Directory of Open Access Journals
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