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All Journal JOURNAL OF HEALTH SCIENCE (JURNAL ILMU KESEHATAN) Jurnal Kesehatan Medika Saintika Journal of Applied Health Management and Technology Jurnal Kesehatan Tambusai Pillar of Physics: Jurnal Berkala Ilmiah Fisika Healthy Tadulako Journal (Jurnal Kesehatan Tadulako) Majority Science Journal Lontara Journal Of Health Science And Technology
Sagita Yudha
Universitas Baiturrahmah
Humanities Chemistry Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Other

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BENEFITS OF STEEPING BLACK TEA AS A NEGATIVE CONTRAST MEDIUM ON CT UROGRAPHY EXAMINATION Yudha, Sagita; Hadisaputro, Suharyo Hadisaputro; Ardiyanto, Jeffri; Mulyantoro, Donny Kristanto; Masrochah, Siti
Journal of Applied Health Management and Technology Vol. 2 No. 2 (2020): April 2020
Publisher : Postgraduate Program , Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jahmt.v2i2.5697

Abstract

The use of water as a contrast medium requires large amounts of water to fill the lumen of the Urinary Tractus and more water is reabsorbed by the body than is secreted into urine. Steeping Black tea contains Caffeine which is able to increase blood flow in the kidneys thus inhibiting the process of absorption of Na, Ca and Mg causing stimulation of the kidneys to increase the amount of urine production. The purpose of this study is to prove that drinking black tea can increase urine production as a negative contrast medium to see differences in the distension and density of the Urinary Tract on CT Urography examination. This type of research uses True Experimental with Pretest-Posttest Control Group Design research design. Patients selected by Simple Random Sampling. Analysis: Paired t test and Independent t test. The results of the study of the use of 600 ml steeping Black Tea as a negative contrast medium on CT Urography examination did not show the difference in mean difference between the left renal Pelvis p value 0.956, Left UVJ 0.640, Right UVJ 0.935 while on the right renal Pelvis p value 0.001 showed differences in mean difference between the left renal Pelvis p value 0.956, Left UVJ 0.640, Right UVJ 0.935 while on the right renal Pelvis p value 0.001 intervention and control group. Hasil pengukuran p value  densitas Vesika urinaria sebesar 0,678. Conclusion: Black tea can be used as a negative contrast medium on CT Urographic examination but when compared with mineral water it does not show a significant difference.
Analisis Variasi Faktor Eksposi Terhadap Contrast To Noise Ratio (CNR) Citra Cranium Proyeksi Antero Posterior Wahdini Hanifah; Dewilza, Nerifa; Nisa, Chairun; Yudha, Sagita; Kirana, Keisya Salsabila
Lontara Journal of Health Science and Technology Vol. 7 No. 1 (2026): Januari-Juni 2026
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Politeknik Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53861/lontarariset.v7i1.590

Abstract

The quality of radiographic images is highly dependent on exposure factors including tube voltage (kV), tube current and exposure time (mAs). The Contrast to Noise Ratio value can transmit image quality, a higher CNR indicates a good image with less interference (noise). The study aims to determine the effect of exposure factor variations on the CNR value and which exposure factors that produce optimal CNR in AP cranium projections. This study uses a quantitative method, an experimental study at the Radiology Installation of the Siti Rahmah Padang Islamic Hospital in September 2024. Data were obtained from cranium phantom images with variations in tube voltage (kV) 68, 74, and 78, and current and exposure time (mAs) 10, 12, and 14. The images were analyzed using the Radiant DICOM Viewer application with the ROI technique to calculate the CNR value in the anatomical area, namely the frontal, crista gali, mandible, both orbits and the background. The ROI results were analyzed using multiple linear regression tests. The results showed that the variation of exposure factors had a significant effect on the CNR value of 94.7%. The optimal exposure factor, at 68 kV and 14 mAs, with the highest CNR of 44.598. The lowest CNR value at an exposure factor of 78 kV and 10 mAs was 22.063. These results can be used as a reference in determining the optimal exposure factor in AP cranium examination
Co-Authors Alfaridzi, Muhammad Amelya Desvina Chairun Nisa Chairunnisa Chairunnisa Cicilia Artitin Cicillia Artitin Cicillia Artitin Debby Maitierly Fahmi Dewilza, Nerifa Donny Kristanto Mulyantoro Donny Kristanto Mulyantoro Fadlan Hartono Febriyani, Putri Wirya Hadisaputro, Suharyo Hadisaputro Hanifah, Wahdini Jeffri Ardiyanto Kirana, Keisya Salsabila Livia Ade Nansih Mareta, Santa Nansih, Livia Ade Nerifa Dewilza Nerifa Dewilza Nerifa Dewilza Rahmadianti, Yori Ramadanti, Tasya Santa - Mareta Sari, Oktavia Puspita Siti Masrochah Suharyo Hadisaputro Hadisaputro Tasya Ramadanti Vania, V Wahdini Hanifah Yori Rahmadianti Yori Rahmadianti