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Kataoka S, Yagishita D, Yazaki K, Hasegawa S, Kanai M, Ejima K, Shoda M. Lead switching to resolve undersensing of ventricular tachycardia by a cardiac resynchronization therapy defibrillator. Pacing Clin Electrophysiol 2023; 46:264-267. [PMID: 36161665 DOI: 10.1111/pace.14596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 09/02/2022] [Accepted: 09/18/2022] [Indexed: 11/30/2022]
Abstract
A 63-year-old man was admitted to the hospital due to ventricular tachycardia (VT) undersensing, caused by decreased R-wave amplitude in a cardiac resynchronization therapy defibrillator. The R-wave amplitude of VT sensed by the left ventricular (LV) lead was markedly higher than that by the right ventricular (RV) lead; therefore, we reconnected the IS-1 RV lead to the LV IS-1 port and the IS-1 LV lead to the RV IS-1 port to resolve this issue. After discharge, it was confirmed that VT was successfully terminated by the second sequence of intrinsic ATP (iATP, Medtronic, Minneapolis, MN, USA) from the LV lead.
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Affiliation(s)
- Shohei Kataoka
- Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan
| | - Daigo Yagishita
- Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan.,Clinical Research Division for Heart Rhythm Management, Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan
| | - Kyoichiro Yazaki
- Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan
| | - Shun Hasegawa
- Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan
| | - Miwa Kanai
- Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan
| | - Koichiro Ejima
- Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan.,Clinical Research Division for Heart Rhythm Management, Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan
| | - Morio Shoda
- Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan.,Clinical Research Division for Heart Rhythm Management, Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan
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Wilkoff BL, Sterns LD, Katcher MS, Upadhyay G, Seizer P, Kang C, Rhude J, Davis KJ, Fischer A. Novel ventricular tachyarrhythmia detection enhancement detects undertreated life-threatening arrhythmias. Heart Rhythm O2 2021; 3:70-78. [PMID: 35243438 PMCID: PMC8859789 DOI: 10.1016/j.hroo.2021.11.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Barold SS. Left ventricular sensing by cardiac resynchronization devices. Pacing Clin Electrophysiol 2019; 42:1081-1085. [DOI: 10.1111/pace.13744] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 06/11/2019] [Indexed: 11/30/2022]
Affiliation(s)
- S. Serge Barold
- University of Rochester School of Medicine and Dentistry Rochester New York
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