Abstract
We have read with enthusiasm the paper by Todaro et al .1 recently published in European Heart Journal of Cardiovascular Imaging regarding the evaluation of left atrial (LA) mechanics. Two-dimensional speckle-tracking echocardiography allows a non-invasive assessment of global LA function and regional deformation from which various LA mechanical indices can be obtained, providing a direct assessment of LA endocardial contractility and passive deformation.2 Todaro et al . described the three components of LA function, the contractile, reservoir, and conduction phases during the cardiac cycle in accordance to the literature.3 Focusing in the reservoir phase it comprehends an early and late phase. The early phase starts with a mitral valve closure, ends with aortic valve opening and corresponds …
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