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Andrey Nino Kurniawan
Politeknik Kesehatan Kemenkes Semarang
Health Professions Medicine & Pharmacology

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Rancang Bangun Alat Pengujian Focus Film Distance (FFD) Andrey Nino Kurniawan
Jurnal Imejing Diagnostik (JImeD) Vol 3, No 2: July 2017
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v3i2.3191

Abstract

Background : Focus film distance (FFD) settings may affect the quality of radiograph, such as: density of the film, contrast, the intensity of x-ray radiation, detail and distortion of the image of the object, so that should be done appropriately. However, in practice, focus markers are often not given, lost or covered by accessories in x-ray tubes, so the technologist difficulties in determining the location of the focal point. It will make the technologist in the measurement of FFD done by measuring the approximate location of the focal point to the receptors. And yet there is a special tool that can be used to measure the accuracy of the settings of the FFD.Methods : The research will focus on the design of FFD measurement tools using acrylic materials, copper wire and small iron balls. Research methods is experimental with trial and error design, tool architecture will be done some test functions, include: Test of acrillic material (radiograph image), copper wire alignment test, test of steady ball of iron ball, FFD measure test. Evaluation is done by comparing wire image measurement with mathematical calculation using magnification formula.Results : The results of this research is the formation of FFD testing tool that is made has dimensions of 18 cm x 10 cm x 20 cm using acrillic material wich inside the part there is wire measuring 2 cm, 10 cm, and 16 cm and two iron balls are mutually perpendicular. The function test of the device is obtained as follows: the test of acrilic material in the radiographic image has been able to distinguish the acrylic material with wire and iron ball so as not to interfere with the measurement of the length of the wire image; copper wire alignment test found that the position of each wire mounted on plate A is aligned and is 20 cm from the bottom of the tool; the steady iron ball deformity test on plate A and plate B is straight-forward
Analisis Jeda Waktu Pembacaan Imaging Plate Terhadap Signal to Noise Ratio pada Citra Computed Radiography Dwi Rochmayanti; Defia Ayusari; Andrey Nino Kurniawan
Jurnal Imejing Diagnostik (JImeD) Vol 1, No 2: July 2015
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v1i2.3155

Abstract

Backgroud: Imaging plate (IP) is a storage media on computed radiography (CR). IP that has been exposed and does not process immediately will decrease the latent image exponentially over time and degrade the image quality. Normally, 25% of signal will be lost if IP was scanned at 10 minutes till 8 hours after exposure. So It will decrease the image quality. Image quality is determined by several factors. One of them is the signal-to-noise ratio (SNR). This study aims to determine the effect of reading time delay of IP to SNR on CR image.Methods: This research was a quantitative study with an experimental approach. Population of this study was CR digital image with various time delay of IP reading. Samples were 51 digital images of water phantom read by IP reading with time interval was 0 hours, 0.5 hours, 1 hour; 1.5 hour, 2 hours, 2.5 hours, 3 hours, 3.5 hours, 4 hours, 4.5 hours, 5 hours, 5.5 hours, 6 hours, 6.5 hours, 7 hours, 7.5 hours and 8 hours after exposure. Image pixel value and noise was weasured by ImageJ software to determine the value of SNR, then analyzed statistically with the regression test.Results: There was effect of reading time delay to SNR on CR image. Time delay affected 30,5% decreasing of SNR. Generally, time delay of IP reading decrease the SNR. The average decrease was 1.55% of SNR.Conclusion: The decrease of the SNR value was not big enough, only 1.55%. However, it will better when IP read as soon as possible after exposure to reduce the decrease of image quality.
Pelaksanaan Informed Consent pada Pemeriksaan Intra Vena Pyelografi di Instalasi Radiologi Rumah Sakit Umum Sukoharjo Rini Indrati; Meita Shinta Fatikhatul Laila; Andrey Nino Kurniawan
Jurnal Imejing Diagnostik (JImeD) Vol 3, No 1: January 2017
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v3i1.3185

Abstract

Background: The implementation of informed consent at Radiology department of Sukoharjo Hospital was conducted by administrative officer and radiographer. The officer explained the preparation of pyelographic intra-venous examination to the patient then the patient was asked to fill out and sign the informed consent form. According to the Indonesian Medical Council and Regulation of the Minister of Health of Indonesia, the delivery of informed consent is carried out by doctors. The doctor explains all the information contained in the contents of informed consent before taking any medical action. The purpose of this research is to know the implementation of informed consent done in the radiology department and patient understanding of the contents of the informed consent form.Methods: The type of this research is descriptive qualitative research with the observational approach. Data were collected in March-June 2017 by observational of informed consent and interviews of 30 patients who will conduct intra vena pyelographic examination. Data analyzed by descriptively.Results: The results showed that the provision of informed consent to intravenous pyelographic examination patient at Sukoharjo Hospital was performed by administration officer and radiographer before conducting the examination. The patient's understanding of the contents of informed consent has not been in accordance with the content of the informed consent form because the information submitted by the radiologist only concerning the preparation of intravenous examination of pyelography does not include examination procedures, objectives, risks, complications, diagnoses, prognoses, alternative other measures and risks, and costs.Conclusions: In radiology department of Sukoharjo hospital at Intravenapyelography patient informed consent delivered by administrative officers and radiographer. Patients understanding the content of informed consent
Co-Authors Defia Ayusari Dwi Rochmayanti Meita Shinta Fatikhatul Laila Rini Indrati