Abstract
Exercise results in increased left ventricular contractility in normal individuals. Similar changes can also be seen with vasodilator stress. This article discusses the physiologic basis of these changes as well as reviews the clinical data supporting the use of these parameters for diagnostic and prognostic evaluation. Methodologic limitations as well as other concomitant pathologic processes which may confound interpretation of stress-induced changes in LVEF are also reviewed.
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Disclosures
Dr. Murthy has received speaker fees from Bracco Diagnostics and Ionetix and also received monetary and non-monetary research support from INVIA Medical Imaging Solutions. Dr. Dorbala has received research Grant from Astellas Global Pharma Development.
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Murthy, V.L., Dorbala, S. Clinical value of hyperemic left ventricular systolic function in vasodilator stress testing. J. Nucl. Cardiol. 24, 1002–1006 (2017). https://doi.org/10.1007/s12350-017-0836-9
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DOI: https://doi.org/10.1007/s12350-017-0836-9