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| http://dx.doi.org/10.1016/j.hrcr.2017.06.007 | DOI Listing |
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Introduction: The novel Confirm Rx™ implantable cardiac monitor (ICM) with SharpSense™ technology incorporates a new P-wave discriminator designed to improve AF detection. This study aimed to evaluate the diagnostic performance of the Confirm Rx™ ICM in detecting AF episodes of varying durations.
Methods: We conducted a multicenter retrospective analysis of consecutive patients implanted with a Confirm Rx™ ICM (v1.
Insertable cardiac monitor (ICM), used for long-term heart rhythm monitoring, often experiences diagnostic challenges such as T-wave oversensing, leading to false positives. This case report presents a novel approach to rectifying T-wave oversensing in ICM implantations. In this case, we are sharing a 38-year-old female with recurrent syncopal episodes who underwent ICM implantation (LUX-Dx™, ICM-Boston Scientific, Marlborough, United States).
View Article and Find Full Text PDFUsing artificial intelligence and deep learning to optimise the selection of adult congenital heart disease patients in S-ICD screening.
Indian Pacing Electrophysiol J
June 2024
Cardiac Rhythm Management Research Department, University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom; Faculty of Medicine, University of Southampton, Southampton, United Kingdom.
Introduction: The risk of complications associated with transvenous ICDs make the subcutaneous implantable cardiac defibrillator (S-ICD) a valuable alternative in patients with adult congenital heart disease (ACHD). However, higher S-ICD ineligibility and higher inappropriate shock rates-mostly caused by T wave oversensing (TWO)- are observed in this population. We report a novel application of deep learning methods to screen patients for S-ICD eligibility over a longer period than conventional screening.
View Article and Find Full Text PDFIncidence, implications, and management of sense-B-noise failure in subcutaneous cardioverter-defibrillator patients: insights from a large multicentre registry.
Europace
June 2024
Department of Electrophysiology, Heart Center at the University of Cologne, Kerpener Str. 62, 50937 Cologne, Germany.
Aims: Subcutaneous implantable cardioverter-defibrillators (S-ICDs) offer potentially distinct advantages over transvenous defibrillator systems. Recent randomized trials showed significantly lower lead failure rates than transvenous ICD. Still, S-ICDs remain associated with the risk of inappropriate shocks (IAS).
View Article and Find Full Text PDFHyperkalemia-Induced T Wave Oversensing in an Implantable Cardioverter Defibrillator.
Cureus
February 2024
Medicine, University of Puerto Rico, Medical Sciences Campus, San Juan, PRI.
A 66-year-old female with end-stage renal disease and heart failure with reduced ejection fraction, status post implantable cardioverter defibrillator (ICD) presented to the emergency department with dizziness and fatigue. An electrocardiogram showed sinus rhythm, complete atrioventricular block, and ventricular paced rhythm at 30 beats per minute (bpm). Device interrogation revealed a programmed VVI mode with a lower rate limit of 40 bpm and evidence of T wave oversensing.
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