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  • Title: Assessment of regional ventilation by continuous inhalation of radioactive krypton-81m.
    Author: Fazio F, Jones T.
    Journal: Br Med J; 1975 Sep 20; 3(5985):673-6. PubMed ID: 1182453.
    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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