Roundtable day 2 Country ABC National DRLs set
Roundtable – day 2 Country ABC National DRLs, set 2010 Examination/projection Chest PA Entrance surface dose (m. Gy) 0. 3 Abdomen AP 6 Lumbar Spine AP 10 Lumbar Spine Lat 25 IAEA
2008 - 2009 survey, 60 rooms Averages of factors for AP Abdomen, 2008 -2009 survey Parameter Mean of hospital means k. Vp 70 m. As 100 Film-screen speed 300 Focus to film distance (mm) 1000 Grid ratio 10: 1 Patient weight (kg) 70 Entrance surface dose IAEA (m. Gy) 4. 5
Hospital A, Room 1 – average values • • ESAK = 12. 1 m. Gy Weight = 73 kg k. Vp = 75 m. As = 289 Film/screen speed = 100 Focus to film distance = 1 m Grid ratio = 10: 1 IAEA
Hospital B, Room 1 – average values • • ESAK = 4. 3 m. Gy Weight = 73 kg k. Vp = 72 m. As = 100 Film/screen speed = 300 Focus to film distance = 1 m Grid ratio = 10: 1 IAEA
Hospital B, Room 2 – average values • • ESAK = 9. 8 m. Gy Weight = 71 kg k. Vp = 71 m. As = 25 Film/screen speed = 300 Focus to film distance = 0. 5 m Grid ratio = 10: 1 IAEA
Hospital C, Room 1 – average values • • ESAK = 11. 7 m. Gy Weight = 66 kg k. Vp = 60 m. As = 395 Film/screen speed = 300 Focus to film distance = 1 m Grid ratio = 10: 1 IAEA
Hospital D, Room 1 – average values • • ESAK = 8. 6 m. Gy Weight = 71 kg k. Vp = 65 m. As = 225 Film/screen speed = 300 Focus to film distance = 1 m Grid ratio = 12: 1 IAEA
Hospital E, Room 1 – average values • • ESAK = 18. 8 m. Gy Weight = 92 kg k. Vp = 80 m. As = 245 Film/screen speed = 300 Focus to film distance = 1 m Grid ratio = 10: 1 IAEA
Hospital F, Room 1 – average values • • ESAK = 11. 7 m. Gy Weight = 69 kg k. Vp = 71 m. As = 260 Film/screen speed = 300 Focus to film distance = 1 m Grid ratio = 10: 1 IAEA
Hospital G, Room 1 – average values • • ESAK = 4. 5 m. Gy Weight = 72 kg k. Vp = 70 m. As = 100 Film/screen speed = 300 Focus to film distance = 1 m Grid ratio = 10: 1 IAEA
Hospital G, Room 2 – average values • • ESAK = 13. 4 m. Gy Weight = 71 kg k. Vp = 75 m. As = 260 Film/screen speed = 300 Focus to film distance = 1 m Grid ratio = 10: 1 IAEA
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