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Left ventricle: cardiac mechanics and left ventricular performance 

Left ventricle: cardiac mechanics and left ventricular performance
Chapter:
Left ventricle: cardiac mechanics and left ventricular performance
Author(s):

Erwan Donal

, Seisyou Kou

, and Partho Senguptadd

DOI:
10.1093/med/9780198726012.003.0019
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date: 23 September 2020

The complexity of left ventricular (LV) function(s) assessment in heart failure patients is related to the complexity of heart anatomy, but also to the complexity of electromechanical interaction, and to the load dependency of all the parameters that could be applied in clinical practice. Three perpendicular axes orienting the global geometry of the LV define the local cardiac coordinate system: radial, circumferential, and longitudinal. Speckle tracking is the technique of choice for quantifying myocardial deformation (regional and global). Longitudinal LV deformation, which is predominantly governed by the subendocardial region, is the most vulnerable component of LV mechanics and therefore most sensitive to the presence of myocardial disease.

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