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. 2015 Apr 29;13:22. doi: 10.1186/s12947-015-0017-4

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© Calin et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Left ventricular global longitudinal strain (GLS) measured by speckle tracking echocardiography in two asymptomatic patients with severe AS, a similar degree of concentric LVH and LVEF > 60%. Reduced values of longitudinal deformation in the basal LV segments are observed in the first patient, but with a GLS value within normal range (−20%) (A). Impaired GLS (−15%) was found in the second patient, with more severely reduced values of longitudinal deformation in the basal segments (B). Stress echocardiography was performed in both patients. The second patient experienced dyspnea at a low level of exercise while the first remained asymptomatic. Angiography in the second patient revealed no significant coronary lesions.