Assessment of regional ventilation by continuous inhalation of radioactive krypton-81m.
- 20 September 1975
- Vol. 3 (5985) , 673-676
- https://doi.org/10.1136/bmj.3.5985.673
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.Keywords
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