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The Journal of Nuclear Medicine Vol. 16 No. 7 658-661
© 1975 by Society of Nuclear Medicine
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Coincidence and Noncoincidence Counting (81Rb and 43K): A Comparative Study

Shigeaki Ikeda, Helmer Duken, Harald Tillmanns and Richard J. Bing

Huntington Memorial Hospital, Pasadena
University of Southern California, Los Angeles, California

Correspondence: For reprints contact: Richard J. Bing, Huntington Memorial Hospital, 100 Congress St., Pasadena, Calif. 91105.

ABSTRACT

This paper compares the accuracy of imaging and resolution obtained with 81Rb and 43K using coincidence and noncoincidence counting. Phantoms and isolated infarcted dog hearts were used. The results clearly show the superiority of coincidence counting with a resolution of 0.5 cm. Noncoincidence counting failed to reveal even sizable defects in the radioactive source.







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Copyright © 1975 by the Society of Nuclear Medicine.