[The ejection fraction of the left ventricle in aortic valve diseases, as a prognostic index in view of surgical correction].
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Biomedical subjects
Publications and source records attributed to M Mariani.
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A computerized system for cineangiograms analysis is described. Each selected frame is displayed by a TV camera on a TV monitor, allowing the physician to draw the left ventricular contour using a light-pen. The coordinates of selected points are sent to a small size digital computer to be processed. The processing techniques are outlined, while particular evidence is given to the operating procedure. Left ventricular volume is evaluated using both area-length and slice methods. Results obtained on models yield an estimation of the accuracy of the volume measurements.
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A case of angiosarcoma of the pericardium in a 30-yr-old man is reported. The clinical diagnosis of pericardial neoplasm was assumed on the basis of angiocardiography. The pathological findings of the heart are shown in detail. A survey of the clinico-pathological data in the 15 reported cases of angiosarcoma of the pericardium is presented.
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