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. 1980 Aug;5(4):377-82.
doi: 10.1007/BF00445626.

Correction for deadtime losses in a gamma camera/data analysis system

K Cranley, R Millar, T K Bell

Correction for deadtime losses in a gamma camera/data analysis system

K Cranley et al. Eur J Nucl Med. 1980 Aug.

Abstract

In quantitative analyses of dynamic radionuclide studies, using large activities of 99mTc flowing through organs it is necessary to determine accurately count-rate losses and to provide appropriate corrections. A method is described for estimating deadtimes and applying corrections to the observed counting rates using a two component model where the gamma camera is considered to have a purely paralyzable deadtime and the data analysis system a purely non-paralyzable deadtime.

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