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Background The study evaluates whether Optison used during dobutamine stress echocardiography (DSE) will improve endocardial border definition and whether this will translate to an improvement in sensitivity and specificity of the test in patients with poor echocardiographic windows. DSE is extremely valuable in the workup of patients with coronary artery disease. The test is limited in patients with...
Background The presence of an abnormal late-peaking left ventricular velocity contour, detected by Doppler echocardiography, has been reported in patients with hypertrophic cardiomyopathy, left ventricular hypertrophy, and aortic stenosis. Methods and Results To evaluate the clinical and prognostic significance of this characteristic Doppler finding, we studied a group of patients (n = 57) with isolated...
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