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相关概念视频

Assessing Blood pressure using a doppler ultrasound01:19

Assessing Blood pressure using a doppler ultrasound

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To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
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Ultrasonography01:17

Ultrasonography

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Blood Flow Imaging with Ultrafast Doppler
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床边超声波矢量多普勒成像系统与GPU处理和深度学习.

Hassan Nahas, Billy Y S Yiu, Adrian J Y Chee

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    概括
    此摘要是机器生成的。

    这项研究介绍了一种创新的异形抗向量多普勒超声系统. 它使高率血管成像能够改善临床诊断和复杂的血液流动可视化.

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    科学领域:

    • 医疗成像医学成像
    • 超声波技术 超声波技术 超声波技术
    • 生物医学工程 生物医学工程

    背景情况:

    • 矢量流成像 (VFI) 创新旨在临床使用和高率血管评估.
    • 平面波多角向量多普勒实现了高率,但受到别名化文物的限制.

    研究的目的:

    • 介绍一种新型的异形抗向量多普勒成像系统,用于临床应用.
    • 为了实现全面的,高率的血管评估,提高可靠性.

    主要方法:

    • 开发了一个使用可编程超声波核心,GPU处理和深度学习的系统.
    • 实现了两种模式:用于导航的实时成像 (17 fps) 和按需重播 (60 fps) 高率 (1000+ fps) 数据.
    • 采用了可视化异形化耐阻矢量投射器,用于慢动作播放.

    主要成果:

    • 在狭窄幻影中成功获得了无异形化无向量流动cineloops.
    • 在人类分叉成像扫描中证明了可行性.
    • 实现了高速率 (超过1000/秒) 与工件减少.

    结论:

    • 开发的系统代表了临床向量流成像采用的重大工程进步.
    • 异形抗性方法克服了当前矢量多普勒技术的一个主要局限性.
    • 能够在床边进行可靠,高率的血管评估.