A study on the influence of 3-T MRI driving sound to assistant nurse

Yasuhiro Shimono, Masataka Chikai, Kenji Muto, Kazuo Yagi, Yuki Arakawa

研究成果: Conference contribution

抜粋

Magnetic resonance imaging (MRI) equipment of high magnetic field generates loud sound of around 100 dB. Assistant nurse works in near field of the equipment for patient's help. It is necessary for the assistant nurses' hearing protection to analyze the driving sound. This paper shows the result of analysis of the driving sound in near field of a 3-T MRI equipment. The analyzed sounds were the driving sound of T2 weighted imaging (T2W) sequence and the driving sound of echo planar imaging (EPI) sequence. Each measuring points were the space where the assistant nurse works in the MRI examination room. Analyzing methods was 1/3 octave band analysis, as the methods to know the acoustical environment in the working space of the assistant nurse. Analyzing methods were equivalent continuous A-weighted sound pressure level (LAeq), spectrum analysis and 1/3 octave band analysis, as the methods to know the acoustical environment in the working space of the assistant nurse. As the result, maximum of LAeq of the driving sound of T2W was 86.0 dB; maximum value of peak frequency was 79.2 dB at center frequency 630 Hz of octave band. Maximum of LAeq of the driving sound as EPI was 98.1 dB; maximum value of peak frequency 1000 Hz of octave band.

元の言語English
ホスト出版物のタイトル40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011
ページ1652-1657
ページ数6
出版物ステータスPublished - 2011 12 1
イベント40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011 - Osaka, Japan
継続期間: 2011 9 42011 9 7

出版物シリーズ

名前40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011
2

Conference

Conference40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011
Japan
Osaka
期間11/9/411/9/7

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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  • これを引用

    Shimono, Y., Chikai, M., Muto, K., Yagi, K., & Arakawa, Y. (2011). A study on the influence of 3-T MRI driving sound to assistant nurse. : 40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011 (pp. 1652-1657). (40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011; 巻数 2).