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Echocardiography has been routinely used for the assessment of cardiac mechanics. M-Mode and two dimensional echocardiography provide semi-quantitative data in the context of ventricular function and have limited ability to define subtle changes in the function. Doppler tissue imaging (DTI) and Speckle tracking echocardiography (STE) are the current techniques, for quantification of ventricular systolic and diastolic function. These methods are more objective and provide more reproducible results. Doppler-based strain and strain rate modes are rarely used nowadays and because of their noise and angle dependency. This chapter focuses on the technical properties of DTI and STE and their clinical implication.

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Echocardiographic Assessment of Myocardial Mechanics: Velocity, Strain, Strain Rate and Torsion

  • 章节

  • 发表日期：

    2026年

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  • Hoorak Poorzand,
  • Anita Sadeghpour,
  • Azin Alizadehasl,
  • Samir Saha

摘要

Echocardiography has been routinely used for the assessment of cardiac mechanics. M-Mode and two dimensional echocardiography provide semi-quantitative data in the context of ventricular function and have limited ability to define subtle changes in the function. Doppler tissue imaging (DTI) and Speckle tracking echocardiography (STE) are the current techniques, for quantification of ventricular systolic and diastolic function. These methods are more objective and provide more reproducible results. Doppler-based strain and strain rate modes are rarely used nowadays and because of their noise and angle dependency. This chapter focuses on the technical properties of DTI and STE and their clinical implication.