"Circumferential profiles:" a new method for computer analysis of thallium-201 myocardial perfusion images
- PMID: 541715
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"Circumferential profiles:" a new method for computer analysis of thallium-201 myocardial perfusion images
J Nucl Med.
1979 Jul.
Free article
Abstract
A method for computer analysis of thallium-201 scintigrams is described, in which the left-ventricular activity is measured along radii constructed from the center of the left ventricle (LV) to each point on the LV circumference. Data are then displayed graphically as a "circumferential profile" of normalized activity against radial location. Thallium defects are identified and scored by comparison of the profile curve with empirically determined normal limits. In patients with coronary artery disease, defect scores were found to be quantitative and reproducible, and to agree generally with subjective visual analysis.
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