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相关概念视频

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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相关实验视频

Updated: Jun 25, 2025

Diaphragmatic Ultrasound in Adults: Image Acquisition and Interpretation
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通过动态MRI测量正常的隔膜运动和形状以及它们的发育变化.

You Hao, Jayaram K Udupa, Yubing Tong

    medRxiv : the preprint server for health sciences
    |May 27, 2024
    PubMed
    概括

    动态MRI量化儿科隔膜运动和曲率,揭示与年龄相关的速度变化和跨性别一致的曲率. 这为隔膜功能提供了新的见解.

    科学领域:

    • 呼吸系统生理学 呼吸系统生理学
    • 医疗成像医学成像
    • 儿科医学 儿科医学

    背景情况:

    • 隔膜对于呼吸至关重要,但详细的体内运动数据很少.

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  • 缺乏对区域半径膜运动和曲率的定量描述.

    • 结论:

    • 自由呼吸的dMRI可以对3D隔膜运动和曲率进行定量评估.
    • 这项研究揭示了关于儿科腹膜动态和形状的区域,腹膜间,性别和年龄相关变异的新鲜细节.