Chapter

Left ventricle: cardiac mechanics and left ventricular performance

Erwan Donal, Seisyou Kou and Partho Senguptadd

in The EACVI Textbook of Echocardiography

Second edition

Published on behalf of © European Society of Cardiology

Published in print November 2016 | ISBN: 9780198726012
Published online December 2016 | e-ISBN: 9780191792991 | DOI: https://dx.doi.org/10.1093/med/9780198726012.003.0019

Series: The European Society of Cardiology Textbooks

Left ventricle: cardiac mechanics and left ventricular performance

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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.

Chapter.  1952 words.  Illustrated.

Subjects: Cardiovascular Medicine ; Radiography

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