How to standardize measurement of global longitudinal strain

A method for direct estimation of left ventricular global longitudinal strain rate from echocardiograms

Global longitudinal strain (GLS) measurements by 2D speckle tracking.

Global longitudinal strain: clinical use and prognostic implications in contemporary practice

Global Longitudinal Strain in Moderate Aortic Stenosis

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Global longitudinal strain calculation: on top showing tracking in

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Advances in echocardiography: global longitudinal strain, intra-cardiac multidirectional flow imaging and automated 3d volume analysis

A Test in Context: Myocardial Strain Measured by Speckle-Tracking Echocardiography - ScienceDirect

Reference point placement for global longitudinal strain measurement.

A Practical Guide to Echocardiographic Global Longitudinal Strain (GLS) by 2D Speckle Tracking

Global longitudinal strain: clinical use and prognostic implications in contemporary practice

Evaluation of Subclinical LV Systolic Dysfunction by GLS Using 2D-STE