Localization of myocardial disorders other than infarction with 99(m)Tc labeled phosphate agents

L. A. Perez, D. B. Hayt, L. M. Freeman

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32 Scopus citations


Myocardial studies with 99mTc labeled phosphate agents were obtained in 20 patients without demonstrable cardiovascular disease, 24 patients with unstable arteriosclerotic heart disease (ASHD) without acute infarction, and six patients with myocardiopathy. The patients without cardiovascular disease showed no localization of tracer; the patients with unstable ASHD and without acute infarction showed nonfocal ill defined accumulation of tracer; and the patients with myocardiopathy showed diffuse accumulation of tracer throughout the confines of an enlarged cardiac outline. Careful evaluation of both the distribution and intensity of the activity, in conjunction with the clinical picture, allows differentiation among these disease processes. Since ischemic areas around infarcted tissue may show increased activity, the value of this technique for sizing acute myocardial infarction may be limited.

Original languageEnglish (US)
Pages (from-to)241-246
Number of pages6
JournalJournal of Nuclear Medicine
Issue number4
StatePublished - Dec 1 1976
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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