Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

The prospective Austrian hypertrophic cardiomyopathy registry - design, methods and results of the run-in period.

Heart failure reviews·2026
Same author

Pilot Study: Step Width Estimation with Body-Worn Magnetoelectric Sensors.

Sensors (Basel, Switzerland)·2025
Same author

Safety and prognostic value of left ventricular endomyocardial biopsy in dilated cardiomyopathy.

European journal of heart failure·2025
Same author

Catheter-based left atrial appendage CLOSURE in patients with atrial fibrillation at high risk of stroke and bleeding as compared to best medical therapy: Rationale and design of the prospective randomized CLOSURE-AF trial.

American heart journal·2025
Same author

Pre-Transplant Heavy Smoking Is Associated with Reduced Survival After Heart Transplantation Due to Infection and Malignancy.

Journal of clinical medicine·2025
Same author

Sex-specific outcomes after transcatheter or surgical treatment of aortic valve stenosis: the DEDICATE-DZHK6 trial.

European heart journal·2025

相关实验视频

Updated: Jul 7, 2025

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

612

非侵入性电解剖绘制:心肌动脉电流密度估计的状态空间方法.

Erik Engelhardt1, Eric Elzenheimer1, Johannes Hoffmann1

  • 1Department of Electrical Information Engineering, Faculty of Engineering, Kiel University, Kaiserstr. 2, 24143 Kiel, Germany.

Bioengineering (Basel, Switzerland)
|December 23, 2023
PubMed
概括

这项研究引入了一种新的基于系统状态的方法,用于使用磁心图 (MCG) 成像来估计心脏电活动. 该算法准确地学习传播路径,并将健康与病变组织区分开来,推进非侵入性心律失常局部化.

关键词:
卡尔曼过器可以过.生物磁性是生物磁性.梯度下降的降落方式磁心电图 (MCG) 是一种磁心电图.非侵入性心脏诊断的方法优化的优化优化优化.

更多相关视频

High-Throughput Analysis of Optical Mapping Data Using ElectroMap
07:36

High-Throughput Analysis of Optical Mapping Data Using ElectroMap

Published on: June 4, 2019

9.4K
Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

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

Published on: January 31, 2019

14.8K

相关实验视频

Last Updated: Jul 7, 2025

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

612
High-Throughput Analysis of Optical Mapping Data Using ElectroMap
07:36

High-Throughput Analysis of Optical Mapping Data Using ElectroMap

Published on: June 4, 2019

9.4K
Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

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

Published on: January 31, 2019

14.8K

科学领域:

  • 生物医学工程 生物医学工程
  • 计算电生理学 计算电生理学
  • 医疗成像医学成像

背景情况:

  • 心律不整通常用侵入性导管切除来治疗.
  • 电心电图 (ECG) 和磁心电图 (MCG) 等非侵入性方法旨在重建心脏的电活动.
  • 开发对导管电解剖学绘图的非侵入性替代品对于降低患者风险和改善治疗计划至关重要.

研究的目的:

  • 介绍和数学详细介绍一种新的基于系统状态的方法,用于从MCG测量中估计人类心脏的电活动.
  • 为了在心脏的电生理模型中实现任意的传播路径和速度.
  • 为未来的非侵入性心脏电生理学研究奠定基础.

主要方法:

  • 利用基于系统状态的方法从MCG数据进行电活动估计.
  • 采用卡尔曼波器,以根据测量和模型参数对电流密度进行最佳估计.
  • 在外部优化循环中实现梯度下降,以改进模型参数.

主要成果:

  • 通过简化的一层模拟来证明算法的可行性.
  • 成功地从磁场测量中直接学习了心脏电传播路径.
  • 实现了0.84的DICE得分,0.77的回忆,以及0.93的组织细分精度.

结论:

  • 开发的方法显示了对心脏电活动的准确非侵入性估计的希望.
  • 该算法的学习传播路径和细分组织的能力突出显示了其临床应用的潜力.
  • 这项工作为推进非侵入性电解剖学绘图技术提供了一个基本的数学框架.