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MEASURMENT OF RADIATION LEVELS OUTSIDE X-RAY MAMMOGRAPHY ,FLUOROSCOPY AND CT SCAN ROOMS OF AL-HUSSAINI HOSPITEL,KARBALA,IRAQ | ||
| journal of kerbala university | ||
| Article 1, Volume 5, Issue 1, 2009, Pages 83-88 PDF (0 K) | ||
| Authors | ||
| Header S.jaafer; Mahdi J.saeed | ||
| Abstract | ||
| In this work the radiation levels out side x-ray, Mammography ,fluoroscopy and ct scan rooms of AL-Hussaini hospital at karbala city were measured. The measured doses were a random selection of 48 examinations for different cases. For each patient the age and sex were recorded, also the main technical parameters of tube voltage (kv),current (mA) and time (T ) or current time product (mAs) were recorded during each radiographic exposure with an average of eight readings for each room. The radiation levels were measured in μsv/h and for an actual duty cycle in this hospital of 5 hours a day ,5 days a week ,50 weeks a year, all measured doses converted to msv/y and compared to the dose limits of ICRP .The results show that the radiation out side room 2 where about 1141 to 735 times greater than the general public limit of ICRP and about 57 to 36.75 times greater than the occupational limit of ICRP.The radiation levels outside room 3 where less than the occupational limit but were about 1.66 to 1.5 times greater than the general public limit, and for ct scan the levels of four readings were about 2.05 to 1.75 times greater than the occupational limit and all the ct scan readings greater than the public limit. For fluoroscopy and mammography rooms the limits were less than both the occupational and general public limits of ICRP | ||
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