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Radiology, Vol 130, 741-747, Copyright © 1979 by Radiological Society of North America

ARTICLES

Krypton-81m: a better radiopharmaceutical for assessment of regional lung function in children

DK Li, S Treves, S Heyman, JA Kirkpatrick Jr, RM Lambrecht, TJ Ruth and AP Wolf

Krypton-81m, an inert, radioactive gas with a physical half-life of 13 seconds was used to evaluate regional lung ventilation in 25 pediatric patients. The results suggest that Kr-81m has several advantages over previous methods employing xenon-133. These include: more favorable physical characteristics for imaging with present scintillation cameras; ease of performance of the examinations; improved resolution and multiple views with better detection and localization of abnormalities; and a much lower dose to the patient.




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