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Gatot Murti Wibowo

Technic of Radiodiagnostic and Radiotherapy Department, Polytechnic Health Ministry of Semarang

Author-ID : 2819924

Health Professions

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The Effect Of Variation Milliampere-Seconds (mAs) To Entrance Skin Exposure And Radiographic Anatomy Image In Examination of Columna Vertebra Lumbal With Ap Projection Siti Daryati; Gatot Murti Wibowo
Jurnal LINK Vol 8, No 3 (2012): September 2012
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Poltekkes Kemenkes Semarang

Quantitative Descriptive research with experimental opproach was done with x-ray machiine type UD150l-30E. The data of experiment was taken with made eight radiographs and the ESE measurement is conducted using TLD which layed on surface of abdomen phantom or at central point. Exposure was taken with eight times with eight variation of mAs. It is about 8,10,12,14,16,18,20 and 22 mAs with 80 kV. The result shown that there is a effetct of variation mAs to ESE and quality of radiographic anatomy image. Higher mAs result higher ESE and increase mAs about two interval reslut average value is 142 mR. Variation of mAs result variation of image quality. A good image quality with 19,1 cm part thickness resulted with use 18 mAs and 20 mAs with 80 kV. Optimum mAs with 80 kV in this research’s is 18 mAs.

Implementation of Compliance Testing Program on a Direct Digital Radiography (DDR) X-Ray System at the Radiography and Imaging Laboratory of the Health Polytechnic Ministry of Health Semarang Gatot Murti Wibowo; Rasyid Rasyid; Ahkmad Haris Sulistiyadi
Jurnal LINK Vol 10, No 2 (2014): Mei 2014
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Poltekkes Kemenkes Semarang

Technological evolution from conventional to digital in diagnostic imaging bring a change in the implementation of Quality Control (QC) of radiology. As a part of the Quality Assurance (QA), QC Radiology is implemented to determine the eligibility condition of the radiography equipment used for the radiological examinations. A Direct Digital Radiography (DDR) unit has been installed in Radiography Laboratory (Lab 3), School of Radiodiagnostic and Radiotherapy, the Health Polytechnic of Semarang since February 2013. However, routine performance tests of the equipment have never been performed. This study aimed to obtain baseline data by assessing the equipment parameters of the X-ray and the digital-DDR systems (illumination collimator; collimator accuracy; beam alignment; tube leakage; kVp accuracy; timer accuracy; mA linearity; reproducibility; HVL, and dark image; nonuniformity; noise; bad pixels; lag respectively). Accuracy and reproducibility of the DDR unit were measured following the procedure of Perka Bapeten No. 9-2011 (for X-ray System) and IEC 62220-1: 2003 (for digital system. Data were analyzed descriptively by QC-DR software. Results showed that X-rays system and digital system had overall good performance. Signal non-uniformity was found in the value of Local Signal to Noise Ratio (LSNRNU) and Global Signal to Noise Ratio (GSNRNU. Non-uniformity caused by the characteristics of the detector and the lack of correction in system performance. Signal correction software needed to be developed to reach signal uniformities. Spatial resolution and low contrast detectability testing also needed to be performed to ensure the ability of the DDR unit to produce image resolution and contrast picture of the object.

Analysis and Design Software Evaluation Assessment Clinical Practice (PKL / PKN) in the Web-Based Program D-III and Radiotherapy Techniques Radiodiagnostic Semarang Sri Mulyati; Gatot Murti Wibowo; Darmini Darmini
Jurnal LINK Vol 9, No 3 (2013): September 2013
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Poltekkes Kemenkes Semarang

Has done research for the analysis and design of software evaluation clinical practice assessment (PKL / PKN) WEB based on the Diploma Program Radiodiagnostic and Radiotherapy Techniques Semarang. Needs analysis has been conducted for designing software evaluation clinical practice assessment (PKL / PKN) Web-based programming using PHP and MySQL. Analyses were performed with several stages of system analysis, analysis of the weaknesses of the old system based PIECES, a new system needs analysis, feasibility analysis and design of software systems sistem.Desain done with methods for object-oriented programming (Object Oriented Programming) created using the Unified Modeling Language (UML) that is using the use case, the database and interface design. With the analysis and design of the software, will be developed (development) and monitoring and evaluation in the next stage of research.

Co-Authors Ahkmad Haris Sulistiyadi Darmini Darmini Dwi Rochmayanti Heru Trisikwanto M. Irwan Katili Rasyid Rasyid Siti Daryati Sri Mulyati Sugiyanto Sugiyanto

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