Publikasi Dosen

The Effect of Kilovoltage and Milliampere-Second Parameters on CT Number: Study Phantom Quality Control CT Scan

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CT number is one of the indicators in determining the diagnosis of disease, so it is necessary to ensure the level of accuracy. The aim is to determine the parameters of kilovoltage and tube current to the CT value. Descriptive quantitative analytic research method with previously tested linearity and the suitability of the CT number. Furthermore, the variation of kilovoltage: 80 kVp, 100 kVp, 140 kVp and the tube current value is 192 mAs. After that, the tube current variation was continued: 80 mAs, 100 mAs, 140mAs and the voltage value was 120 kVp. Phantom image results were analysed using radiant viewer software with a region of interest (ROI) size of 5 mm. Then analyse the correlation coefficient to determine the degree of relationship between the kilovoltage and milliampere-second parameters to the CT number. The results of the linearity test and the suitability of the CT number value were within the tolerance limit. For variations in kilovoltage to CT number, the correlation coefficient values are water R2=0.09, fat R2=1, soft tissue R2=0.9, bone R2=0.7. As for the milliampere-second variation of the CT number, the correlation coefficient values are: water R2=0.7, fat R2=0.8, soft tissue R2=1, bone R2=0.7.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

001.43

Penerbit

Jakarta : Poltekkes Kemenkes Jakarta II., 2022

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

001.43

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

milliampere-second
kilovoltage
CT number

Info Detail Spesifik

Publikasi pada SANITAS: JURNAL TEKNOLOGI DAN SENI KESEHATAN ; ISSN : 1978-8843 (PRINT) / 2615-8647 (ONLINE) Vol. 13 No. 2: 237 - 244; https://doi.org/10.36525/sanitas.2022.20

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