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. 1975 Sep 20;3(5985):673-6.
doi: 10.1136/bmj.3.5985.673.

Assessment of regional ventilation by continuous inhalation of radioactive krypton-81m

F Fazio, T Jones

Assessment of regional ventilation by continuous inhalation of radioactive krypton-81m

F Fazio et al. Br Med J. .

Abstract

A simple technique is described for producing high-quality functional images of regional ventilation during physiological tidal breathing of the inert gas 81mKr. These images are quickly obtained on a gamma-camera without the need of computerized systems for data acquisition and display and are directly comparable with those of perfusion obtained with 99mTc-labelled macroaggregates. The short time required for the procedure, its simplicity, and the extremely low absorbed-radiation dose enable serial images of ventilation to be obtained in multiple views.

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