THERAPEUTIC CLASS

Radionuclides in lung diagnostics: A new approach

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With a 99mTc-labelled aerosol an inhalation (ventilation) image of the lungs was obtained. A lung perfusion image was obtained with 99mTc-labelled macro-aggregates. The data from the gamma camera were stored in a computer and the inhalation-perfusion (I/P) ratio was calculated for the total lung as well as for one half another selected region, and a local
(pixel) area. In the anaesthetised dog in sternal recumbency, the I/P ratio decreased from the cranial to the caudal lung regions. Hence in the dog gravity is not the only determinant of the I/P ratio distribution, as it is assumed to be in man. Position and anaesthesia appeared to influence the distribution of I/P ratios within the lung.

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: .,

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Language

English

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NONE

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Subject(s)

Respiratory system

Specific Detail Info

Veterinary Quarterly, 9:3, 241-244

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