A quantitative approach to the analysis of the normal Thallium-201 myocardial image |
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| Authors: | James H. McKillop Rodney G. Bessent R. Gordon Murray John G. Turner Ann Tweddel William R. Greig |
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| Affiliation: | (1) University Department of Medicine, Royal Infirmary, G4 OSF Glasgow, Scotland;(2) University Department of Medical Cardiology, Royal Infirmary, G4 OSF Glasgow, Scotland;(3) Department of Nuclear Medicine, Royal Infirmary, G4 OSF Glasgow, Scotland |
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| Abstract: | The visual interpretation of Thallium-201 myocardial images is made more difficult by nonhomogeneity of myocardial tracer uptake in normal studies. To increase the objectivity of the study, the variation in count density in different myocardial areas has been calculated using a computer regions of interest technique in 14 healthy, young subjects following intravenous injection of the radionuclide at rest and in 10 after injection during maximal exercise. The  normal ranges for regional Thallium-201 uptake so obtained are presented and discussed. |
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