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相关概念视频

Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
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相关实验视频

Updated: May 1, 2026

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
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先进的电解剖学绘图:当前和新兴的方法.

Sanjiv M Narayan1,2,3, Roy M John1,2

  • 1Cardiovascular Division, Stanford University, Stanford, CA, USA.

Current treatment options in cardiovascular medicine
|October 17, 2025
PubMed
概括
此摘要是机器生成的。

当前的电解剖学映射系统提高了程序效率,但并非总是像心房动 (AF) 和心室低心率 (VT) 这样的复杂心律失常的废除结果. 新型系统有前途,但在大型试验中需要进一步验证.

关键词:
剥离 剥离 剥离 剥离节律失常是一种失常.计算机化的计算机化电子生理学 电子生理学绘制地图是为了绘制地图.

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科学领域:

  • 心血管电生理学 心血管电生理学
  • 医疗器械技术 医疗器械技术
  • 心律不整的管理心律不整管理

背景情况:

  • 电生理学映射系统对于复杂的心律失常消退至关重要.
  • 目前的系统提供先进的解剖学和电气测绘功能.
  • 尽管取得了进展,但改善特定心律失常的废除结果仍然是一个挑战.

研究的目的:

  • 审查当前和新兴的复杂心律失常的电解剖学绘图系统.
  • 确定心脏电解剖绘图方面的挑战和未满足需求.
  • 评估映射系统对除结果的影响.

主要方法:

  • 对主要电解剖学绘图系统 (Carto,Ensite X,Rhythmia) 最新版本的审查.
  • 分析系统功能,包括实时解剖绘图,电点集成和电压和消光损伤的可视化.
  • 评估报告的各种心律失常的程序效率和废除结果.

主要成果:

  • 当前的绘图系统提供高分辨率的解剖学和电气数据,提高程序效率.
  • 有证据证明可改善除结果,特别是对心房动 (AF),痕相关心房动,心室动脉冲动 (VT) 和心室动 (VF) 的证据是有限的.
  • 新型功能映射系统在小型研究中显示出潜力,但在大型随机试验中缺乏验证.

结论:

  • 电生理学映射对于简单的心律失常是成熟的,但在复杂的病例中面临挑战.
  • 在改善具有挑战性的心律失常症的切除成功率方面,仍然存在重大未满足的需求.
  • 新兴技术需要进一步严格评估,以确认它们在广泛患者群体中的临床益处.