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相关概念视频

Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

549
Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
549

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相关实验视频

Updated: Jun 14, 2025

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
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自动值功能与左捆分支面积相比传统的右心室领先位置.

Daniel J Friedman1, Jessica Burr2, Paul W Jones2

  • 1Duke University School of Medicine, Durham, North Carolina, USA.

Journal of cardiovascular electrophysiology
|April 29, 2025
PubMed
概括
此摘要是机器生成的。

自动值 (AT) 算法在左捆分支区域节奏 (LBBAP) 线索方面表现出高精度,与传统的右心室 (RV) 线索相比. 这表明AT算法对LBBAP有效,尽管对于特定的捕获场景需要进一步研究.

关键词:
算法的性能算法的性能.自动设置一个门.其他自动门导电系统的节奏节奏.左捆分支机构地区节奏节奏.远程监控 远程监控 远程监控

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Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
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科学领域:

  • 电子生理学 电子生理学
  • 心血管器械 心血管器械
  • 节奏技术的节奏技术是什么

背景情况:

  • 左捆分支区域步调 (LBBAP) 结合了His捆步调和传统步调的好处.
  • 自动值 (AT) 算法的适用于LBBAP引线的适用性尚未确立,不像其已知的限制与His捆绑步调引线一样.

研究的目的:

  • 为了评估AT算法在LBBAP引线中的准确性,与右心室 (RV) 引线相比.
  • 通过使用来自LATITUDE远程监控系统的数据来评估AT算法的性能.

主要方法:

  • 使用LATITUDE远程监控数据对1288个节拍装置 (798个LBBAP,490个RV) 的回顾性分析.
  • 在7天内,AT准确性与办公室节奏捕获值 (PCT) 相比较.
  • 从CAPTIVATE试验的方法进行了调整,以定义准确的AT测试 (gadgadgadAT - IOI ≤0.6V或≤1V如果IO>3.5V).

主要成果:

  • 对于LBBAP (96.9%) 和RV (97.6%) 线索,AT算法准确度高且相似,超过了90%的目标.
  • 对于LBBAP线索,AT和办公室PCT之间的中位数差异为0.1V.
  • 在6个月内,AT功能在LBBAP (1.8%) 和RV (0.9%) 线索的类似低速率下被关闭.

结论:

  • 对于LBBAP和RV线索,AT算法表现出高和可比的准确性.
  • 需要进一步调查以确认算法足够用于传导系统捕获值不同于心肌值时的算法.