2015 International CT Symposium

 

The Physics of CT from the Dose Perspective

Mr. Nagi Sharoubim – Radiation Protection and Quality Control, Quebec, Canada

Mr. Nagi Sharoubim is an Engineer and Medical Imaging Consultant with Radiation Protection and Quality Control, Quebec, Canada. He has more than 40 years of experience as a Medical Imaging Engineer having commenced his career with Picker X-Ray Engineering. Initially responsible for the servicing of equipment, he progressed to the position of In-field Training and Safety Engineer. He joined the Radiology Department at the Montreal General Hospital (MGH) in 1980 as their Chief Engineer, coincident with the installation of their first CT scanner (EMI 7070). While at the MGH, Nagi developed his Association with the department of Medical Physics at McGill University, a relationship that spanned almost 20 years. During this period of time he also provided consultation services to assist different University Hospitals with the evaluation of equipment and its procurement. In 1999 he was appointed to the position of Senior Advisor Technology and Equipment Management at the McGill University Health Centre (MUHC). For more than 30 years Nagi has been involved in the evaluation of CT scanners from all of the primary manufacturers, with a focus on Dose versus Image quality. Commencing in 2006, together with Dr. Slobodan Devic, Medical Oncology Physicist, he has been evaluating CT Dose in Vivo and in Vitro using Gafchromic Film to calculate the real dose to the patient. As of 2011, Nagi has been involved in the verification process for all CT Scanners on behalf of the Quebec Ministry of Health CECR group, identifying with their functionality and protocols to minimize patient dose. Although he retired from his position at MUHC in 2007, he continues to work as a consultant engineer to this day.

 

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