A simple mathematical lung model for quantitative regional ventilation measurement using 81Krm

Z Bajzer; J Nosil

doi:10.1088/0031-9155/22/5/017

Physics in Medicine & Biology

SCIENTIFIC NOTE

A simple mathematical lung model for quantitative regional ventilation measurement using ⁸¹Kr^m

Z Bajzer¹ and J Nosil¹

Published under licence by IOP Publishing Ltd
Physics in Medicine & Biology, Volume 22, Number 5 Citation Z Bajzer and J Nosil 1977 Phys. Med. Biol. 22 975 DOI 10.1088/0031-9155/22/5/017

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¹ Dept. of Nuclear & Appl. Phys., Rudjer Boskovic Inst., Zagreb, Yugoslavia

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Abstract

A lung model taking into account essentially the same assumptions as Winlove et al. (1975) and introducing the reduction of the concentration of tracer in the lung due to radioactive decay is derived. Using a computerized gamma camera and the model it is possible to determine the regional specific lung ventilation using the relatively short-lived ⁸¹Kr^m as radioactive tracer.

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