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A three-dimensional display has been developed which is specifically suited to the visualization of myocardial single photon emission tomographic (SPET) data. A set of radial maxima voxels, representative of the whole left ventricle uptake and shape is first extracted by cylindrical and spherical sampling of the short axis slices. A three-dimensional(More)
The myocardial count distribution and the stress/rest ratio distribution were compared between prone and supine Tc-99m MIBI myocardial SPECT acquisitions. Ninety-nine male patients with a low stress supine inferior wall count underwent stress and rest acquisitions in the supine and prone positions successively. For each study, values depicting the inferior,(More)
The objective of this study is to quantify aortic insufficiency by comparing pulsated Doppler ultrasonography and radiocardiography used as reference test. Since february 1986, 23 patients were tested with both techniques within 15 days. The Doppler ultrasonography enabled to quantify aortic insufficiency in 4 stages by semi-quantitative mapping of the(More)
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