Evaluation of Patient Dose in Conventional Chest and lumbar spine X-Ray using Skin Estimated Dose.

Abstract

This study aims to evaluate of patient radiation dose in chest x-ray using Entrance surface dose calculations, the study was done in two hospitals Alshab Teaching Hospital and Ibrahim Malik Teaching Hospital in Khartoum state, Entrance surface dose (ESD) was determined from exposure settings and patient information using mathematical equation . 220 patients were examined in this study, The entrance surface doses (ESDs) to patient undergoing chest X-ray radiography Exposure settings and patients data were recorded. Result concerning the kilovoltage (KVp) and tube current (mAs) and focus to film distance (FFD) settings. The variation in the patient doses and techniques used for the examinations studied were found among the different hospitals denoting the importance of establishing a national quality assurance programme and examination protocols to ensure patient doses are kept as Low as possible. Mean ESDs obtained for chest radiography in Alshab Teaching Hospital recorded in this study was ( .125 +0.04) mGy and Mean ESDs obtained for Lumbar spine radiography in Ibrahim Malik Teaching Hospital recorded in this study was (4.39 +1.23) mGy.