SPECKLE TRACKING ECHOCARDIOGRAPHY:BASIC CONCEPTS AND CLINICAL APPLICATIONS

Authors

  • Imran Hameed ANKLESARIA NURSING HOME

DOI:

https://doi.org/10.47144/phj.v53i1.1794

Abstract

Assessment of the mechanical performance of heart usually means evaluation of left ventricular function and this can be done most easily by echocardiography by measuring ‘ejection fraction’. However, ejection fraction tells us the story of myocardium as a whole. Deeper understanding of cardiac mechanics has shown that this is a multi-layered phenomenon, as LV wall is composed of three layers of fibers. A deterioration in the function of one layer is compensated by others so the numerical value of ejection fraction is not compromised in the beginning. Speckles are produced due to ultrasound scattering and movement of these can be recorded by 2D imaging, frame to frame. This tracking of speckles is done in three directions viz. longitudinal, radial and circumferential, so that drop in global longitudinal strain is ascertained much before any change in ejection fraction is noted, “subclinical LV dysfunction”. In this review, the basics of speckle tracking, acquisition of echocardiographic data and the clinical applications of this new modality have been discussed.

Key words: Echocardiography, Speckle tracking, Deformation, Sub-clinical LV dysfunction, Global longitudinal strain

Downloads

Download data is not yet available.

Author Biography

Imran Hameed, ANKLESARIA NURSING HOME

CONSULTANT CARDIOLOGIST

Downloads

Published

2020-04-27

How to Cite

1.
Hameed I. SPECKLE TRACKING ECHOCARDIOGRAPHY:BASIC CONCEPTS AND CLINICAL APPLICATIONS. Pak Heart J [Internet]. 2020Apr.27 [cited 2024Nov.23];53(1). Available from: https://pakheartjournal.com/index.php/pk/article/view/1794

Issue

Vol. 53 No. 1 (2020): Pakistan Heart Journal

Section

Review Article

License

When an article is accepted for publication in the print format, the author will be required to transfer exclusive copyright to the PHJ and retain the rights to use and share their published article with others. However, re-submission of the full article or any part for publication by a third party would require prior permission of the PHJ.

Online publication will allow the author to retain the copyright and share the article under the agreement described in the licensing rights with creative commons, with appropriate attribution to PHJ. Creative Commons attribution license CC BY 4.0 is applied to articles published in PHJ https://creativecommons.org/licenses/by/4.0/