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  • Title: A simple radioaerosol generator and delivery system for pulmonary ventilation studies.
    Author: Ishfaq MM, Ghosh SK, Mostafa AB, Hesslewood SR, Williams NR, Hickey AJ.
    Journal: Eur J Nucl Med; 1984; 9(3):141-3. PubMed ID: 6232140.
    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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