Biotronik Implantable Cardioverter Defibrillator for Measurement of Intrathoracic Impedance: A Report of Two Cases

IF 1.1 4区医学 Q4 CARDIAC & CARDIOVASCULAR SYSTEMS Annals of Noninvasive Electrocardiology Pub Date : 2024-10-25 DOI:10.1111/anec.70015

Xuqing Ying, Xinyue Yu, Weixun Cai, Xiaomin Chen, Lihua Wang, Qingcheng Wang, Jie Pang

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Abstract

Objectives

Two patients were received ICDs (Biotronic Iforia7 VR-TDX). Holter analysis revealed pacing spikes, which occurred regularly at 100 ms intervals following QRS complexes, with consecutive 1024 test pulses at hourly intervals during a specific time, and the VP was 0%.

Methods

By analyzing the dynamic electrocardiogram and consulting relevant literature, it was found that this is a feature of the ICD that measures thoracic impedance.

Results

This phenomenon is a special function for the purpose of transthoracic impedance measurement, which can monitor the heart failure.

Conclusions

This phenomenon should not be regarded as an interference signal or an abnormal sign of pacemaker malfunction.

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用于测量胸内阻抗的 Biotronik 植入式心脏除颤器：两个病例的报告

目的：两名患者接受了 ICD（Biotronic Iforia7 VR-TDX）。Holter 分析显示，起搏尖峰在 QRS 波群后 100 毫秒间隔内有规律地出现，在特定时间内每小时间隔连续 1024 次测试脉冲，VP 为 0%：通过分析动态心电图和查阅相关文献，发现这是测量胸阻抗的 ICD 的一个特征：这种现象是经胸阻抗测量的特殊功能，可以监测心力衰竭：结论：这种现象不应被视为起搏器故障的干扰信号或异常信号。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Annals of Noninvasive Electrocardiology 医学-心血管系统

CiteScore

3.40

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The ANNALS OF NONINVASIVE ELECTROCARDIOLOGY (A.N.E) is an online only journal that incorporates ongoing advances in the clinical application and technology of traditional and new ECG-based techniques in the diagnosis and treatment of cardiac patients. ANE is the first journal in an evolving subspecialty that incorporates ongoing advances in the clinical application and technology of traditional and new ECG-based techniques in the diagnosis and treatment of cardiac patients. The publication includes topics related to 12-lead, exercise and high-resolution electrocardiography, arrhythmias, ischemia, repolarization phenomena, heart rate variability, circadian rhythms, bioengineering technology, signal-averaged ECGs, T-wave alternans and automatic external defibrillation. ANE publishes peer-reviewed articles of interest to clinicians and researchers in the field of noninvasive electrocardiology. Original research, clinical studies, state-of-the-art reviews, case reports, technical notes, and letters to the editors will be published to meet future demands in this field.