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Updated: Jun 9, 2025

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

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高密度同时复极化映射和重新进入与痕相关的腹腔动心减退的脆弱性估计:机制基础,临床应用和挑战

Johanna B Tonko^1,2, Anthony Chow², Pier D Lambiase^1,2

¹Institute for Cardiovascular Science, University College London, 5 University Street, London WC1E 6JF, UK.

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology

|October 31, 2024

概括

高密度再极化映射可以识别心脏异常的电活动,导致心室动脉冲动 (VT). 这种技术,当与基质映射相结合时,可能会改善针对心律失常的除策略.

科学领域:

心脏电生理学心脏电生理学
节律失常学节律失常学
医疗成像医学成像

背景情况:

心室心律不整通常是由复极异常和异质性驱动的.
目前的基板映射主要是识别导电问题,而不是再极化.
高密度再极化映射为更好的非节律性基质表征提供了潜力.

研究的目的:

为了提供回极化在心室失常症中的作用的概述.
描述一项临床工作流程,用于在心室动脉冲动 (VT) 移除过程中的高密度再极化映射.
探索将复极化映射与现有技术相结合,以改进废除向.

主要方法:

再极化变化的机械作用概述.
使用现有工具进行高密度再极化映射的临床工作流程的描述.
一步一步的指导和案例创建再极化地图.

主要成果:

介绍了一种可行的临床工作流程,用于在静脉切除过程中进行高密度再极化映射.
在结构正常和异常的心脏中均有证明的应用.
讨论了与基质映射 (例如,同时晚期激活映射) 的集成,以识别重新进入漏洞.

结论:

重极化映射虽然还在研究中,但可以补充基质映射,用于识别废除目标.
需要进一步的技术和分析改进.
需要进行前性试验,以确定其临床诊断价值和在切除手术中的作用.

关键词:

减速区是一个减速区.功能基板映射功能基板映射同时的拥挤是同时的.区块的线路的区块线.重新进入漏洞的漏洞再极化映射重新极化映射腹腔动脉短心症腹腔动脉短心症

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Cardiac Action Potential

Cardiac Action Potential

Cardiac action potentials are essential for proper heart function, enabling the rhythmic contractions needed for adequate blood circulation. Nodal cells and Purkinje fibers, specialized for electrical conduction, generate these action potentials.
The cardiac action potential process involves a series of phases characterized by the movement of ions across the cardiac cell membranes, leading to the depolarization and repolarization of the cardiac myocytes.
Ionic Basis of Cardiac Action Potentials