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  Indian J Med Microbiol
 

Figure 5: (a)Factors contributing to alterations in global longitudinal strain in diseases with chronic increase in preload. (b) Biphasic behavior of myocardial strain in patients with increased preload. In the early phase of valve regurgitation, strain values increase due to increased stroke volume. In advanced disease, irreversible changes in the myocardium result in the development of contractile dysfunction and impaired deformation. GLS: Global longitudinal strain

Figure 5: (a)Factors contributing to alterations in global longitudinal strain in diseases with chronic increase in preload. (b) Biphasic behavior of myocardial strain in patients with increased preload.  In the early phase of valve regurgitation, strain values increase due to increased stroke volume. In advanced disease, irreversible changes in the myocardium result in the development of contractile dysfunction and impaired deformation. GLS: Global longitudinal strain