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. 1985 Oct;54(4):367–374. doi: 10.1136/hrt.54.4.367

New technique for showing the relation of tomographic myocardial perfusion images obtained with thallium-201 to the coronary arteries.

C J Gibson, E E Laird, E D Williams, A Rajathurai, B Mittra, D Rankin
PMCID: PMC481912  PMID: 3876840

Abstract

A new technique has been developed for presenting myocardial tomograms that allows the observer to perceive the shape of the thallium-201 distribution directly. The surface of the myocardium was found by applying an interactive thresholding technique to a set of conventional transverse slices. Computer graphics techniques were used to display a shaded image of that surface on a television screen, showing the three dimensional shape of the myocardial surface from any chosen aspect. A set of normal preserved coronary arteries was digitised, and using scaling and transformation techniques these arteries were mapped on to the myocardial tomograms and a shaded surface image produced with superimposed coronary arteries. This provided a familiar anatomical framework for locating perfusion defects. Its value in identifying various diseased vessels was confirmed by a comparison of the tomographic findings with the angiographic findings in five individual cases.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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