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Volume Challenge Added to DSE in the Diagnosis of Severe LFLGAS
The aim of this study is to test the diagnostic added value of Volume Challenge (VC) to low-dose dobutamine stress echocardiography (LDDSE) in patients with a low-flow, low-gradient aortic stenosis (LFLGAS). This study will assess if LDDSE plus VC allows to increase the proportion of patients in whom a true severe AS can be differentiated from a pseudo severe AS.
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