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11 March 1976 Dynamic Radionuclide Determination Of Regional Left Ventricular Wall Motion Using A New Digital Imaging Device
Peter Steele, Dennis Kirch
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Proceedings Volume 0072, Cardiovascular Imaging and Image Processing: Theory and Practice; (1976) https://doi.org/10.1117/12.954663
Event: Cardiovascular Imaging and Image Processing: Theory and Practice, 1975, Palo Alto, United States
Abstract
Several indices of left ventricular systolic performance have been proposed, one of which, left ventricular ejection fraction, has been extensively applied to clinical problems of patients with heart disease. Left ventricular ejection fraction, which is the ratio of left ventricular stroke volume to end-diastolic volume, is usually performed by left heart catheterization with contrast ventriculography. Catheterization ordinarily requires hospitalization, is relatively expensive and has a definite, although low, morbidity and mortality. In particular contrast ventriculography does not lend itself to serial study at frequent intervals. Consequently several radionuclide methods have been developed which accurately measure left ventricular ejection fraction. In these methods an Anger scintillation camera is used with 99mTechnetium to record either an electrocardiographically gated (1) or a dynamic radionuclide angiocardiogram (2)(3).
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Peter Steele and Dennis Kirch "Dynamic Radionuclide Determination Of Regional Left Ventricular Wall Motion Using A New Digital Imaging Device", Proc. SPIE 0072, Cardiovascular Imaging and Image Processing: Theory and Practice, (11 March 1976); https://doi.org/10.1117/12.954663
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KEYWORDS
Cameras
Computing systems
Image intensifiers
Imaging systems
Image segmentation
Scintillation
Imaging devices
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