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Updated: Jul 16, 2025

Magnetic Resonance Derived Myocardial Strain Assessment Using Feature Tracking
07:21

Magnetic Resonance Derived Myocardial Strain Assessment Using Feature Tracking

Published on: February 12, 2011

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两个独立于供应商的菌株分析软件平台的协议,用于评估左心室全球纵向菌株

Tae-Min Rhee1, Hyung-Kwan Kim2,3, You-Jung Choi1

  • 1Department of Internal Medicine, Cardiovascular Center, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea.

The international journal of cardiovascular imaging
|September 19, 2023
PubMed
概括

GE-Full和TomTec-Endo平台显示出在各种心脏疾病中测量左心室全球纵向应变 (LV-GLS) 的优异一致性. 这种独立于供应商的分析证实了在各种临床场景中可靠的菌株评估.

关键词:
心声回声扫描 (Echocardiography) 是一种心声回声扫描.心肌收缩是心肌收缩的原因之一.结果的可复制性 结果的可复制性压力应变是一种压力.左心室功能,左心室功能

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Measurements of Strain01:27

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Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain...
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Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...
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Transformation of Plane Strain01:12

Transformation of Plane Strain

When analyzing elongated structures like bars subjected to uniformly distributed loads, it is essential to understand the transformation of plane strain when coordinate axes are rotated. This transformation helps to assess how material deformation characteristics vary with orientation, which is crucial in materials science and structural engineering.
Under plane strain conditions, typical for members where one dimension significantly exceeds the others, deformations and resultant strains are...
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