Simultaneous display of gated technetium-99m stannous pyrophosphate and gated blood-pool scintigrams

J. R. Corbett, S. E. Lewis, G. Dehmer, F. J. Bonte, R. W. Parkey, L. M. Buja, J. T. Willerson

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The authors have developed a method by which any two sets of R-wave-synchronized radionuclide images may be reigstered, color-coded, and displayed in cinematic fashion so that the image sets are superimposed and shown simultaneously in contrasting colors. The technique has been applied to technetium-99m stannous pyrophosphate (Tc-99m PPi) and equilibrium blood-pool images. Gated Tc-99m PPi and gated blood-pool image sets (16 frames per cardiac cycle) were acquired in identical projections. Image sets were then registered, if necessary, and color-coded by a computer algorithm. The initial experience suggests that this overlay technique may be of value to: (a) detect right ventricular infarction with greater precision; (b) provide a better estimate of anatomic location and circumferential extent of Tc-99m PPi myocardial uptake relative to the ventricular blood pool; and (c) distinguish between segmental contraction abnormalities caused by recent infarction (identified by abnormal Tc-99m PPi uptake) and segmental contraction abnormalities caused by ischemia or previous myocardial infarction.

Original languageEnglish (US)
Pages (from-to)671-677
Number of pages7
JournalJournal of Nuclear Medicine
Issue number8
StatePublished - 1981

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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