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A Simple Radioaerosol Generator and Delivery System for Pulmonary Ventilation Studies
Ishfaq, MM., Ghosh, SK., Mostafa, AB., Hesslewood, SR., Williams, NR., & Hickey, A. (1984). A Simple Radioaerosol Generator and Delivery System for Pulmonary Ventilation Studies. European Journal Of Nuclear Medicine, 9(3), 141-143. https://doi.org/10.1007/BF00253517
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 m with a geometric standard deviation of 1.5. This distribution also had more than 96% of aerosol particles with aerodynamic diameter <2>m. 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.<br>
