MATERIALSAND METHODS Thallium-201 was obtained as a sterile pyrogen free
radiochemical with a specific activity of 1 mCi per microgram of thallium. Human albumin …

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 field of myocardial perfusion imaging has made many advances but still is in its infancy.
The limitations in the technology at this time include limited instrument resolution of 6–9 mm …

In the eight years since thallium was suggested for myocardial imaging by Kawana et al.(/),
thallium-201 has become the most commonly used agent for this purpose. Although far from …

Data of pharmacokinetic distribution of and radiation dose from 201Tl chloride used in
routine myocardial scintigraphy are based on animal studies or on small groups of humans …

METHODS Tracer, subjects, and sampling. Thallium-201 as thallous chloride was either
prepared on the Brook haven 60-in. cyclotron by a method previously described (2) or it was …

Thallium-201 has been evaluated for myocardial imaging by determining its distribution and
assessing its imaging properties. Organ distribution with time was studied in goats, chosen …

Of all the radionuclide monovalent cations evaluated for myocardial perfusion imaging,
thallium 201 is the most useful for myocardial perfusion imaging and is discussed in detail in …

Following intravenous administration, the myocardial concentration of tracer thallium-201,
potassium-43, and rubidium-81 were determined in mice; thallium was present in the …

To assess the validity of the quantitative 201 Tl scintimetry in various diseases of the heart
(coronary heart disease with and without myocardial infarction, non-coronary …