Abstract

Abstract We applied our newly developed computerized image processing system for three-dimensional (3-D) echocardiographic display with binocular parallax shift and for constructing two-dimensional (2-D) echocardiographic images in desired planes from sequential recordings of 2-D echocardiograms recorded with antero-posterior emission of ultrasound beams. This system mainly consisted of a flying spot scanner, a minicomputer and a display cathode ray tube. This study was done in a healthy subject and a case with atrial septal defect. In the stereogram of the healthy subject the left ventricle, atrium and the aorta were visualized in depth with a stereoviewer. In the stereogram of atrial septal defect, the defect and the remaining atrial septum were clearly observed also in depth. We could accomplish the reconstruction of 2-D echocardiograms of these materials in desired planes. The frontal plane 2-D echocardiograms provided useful data.

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