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Comparative Study
. 1984;9(3):141-3.
doi: 10.1007/BF00253517.

A simple radioaerosol generator and delivery system for pulmonary ventilation studies

M M Ishfaq, S K Ghosh, A B Mostafa, S R Hesslewood, N R Williams, A J Hickey
Comparative Study

A simple radioaerosol generator and delivery system for pulmonary ventilation studies

M M Ishfaq et al. Eur J Nucl Med. 1984.

Abstract

Details of a simple radioaerosol generator and delivery system are presented. Aerosol streams of 99mTc-DTPA solution of different distributions were produced. The most useful distribution had an activity median aerodynamic diameter (AMAD) of 0.9 micron with a geometric standard deviation of 1.5. This distribution also had more than 96% of aerosol particles with aerodynamic diameter less than 2 micron. The system has been used for patient lung ventilation studies. The aerosol breathing-in period to achieve a satisfactory count rate was 1.8 +/- 0.38 min. The radioaerosol images were excellent and comparable to those obtained with 81mKr gas.

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