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相关概念视频

Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

386
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
386
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

305
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
305

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相关实验视频

Updated: Jul 23, 2025

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
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在二维心声回声学中进行异常校正.

Svein-Erik Måsøy1,2, Bastien Dénarié2, Anders Sørnes2

  • 1Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.

Quantitative imaging in medicine and surgery
|July 17, 2023
PubMed
概括

这项研究证明了心声回声学的偏差校正算法,显著提高了超声图像质量. 心脏病学家在97%的时间里更喜欢纠正的图像,并注意到提高了清晰度和清晰度.

关键词:
超声波超声波是指超声波的使用.偏差纠正 偏差纠正梁成型 梁成型 梁成型 梁成型超声心电图 (Echocardiography) 是一种心声回声仪.声音变化的速度变化.

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2D and 3D Echocardiography in the Axolotl Ambystoma Mexicanum
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Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
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相关实验视频

Last Updated: Jul 23, 2025

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Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
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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
  • 信号处理 信号处理

背景情况:

  • 开发了一种算法来纠正二维心声成像中的异常.
  • 它解决了来自矩阵阵列探测器信号的到达时间错误.

研究的目的:

  • 在临床心声回声学中评估异常校正算法的有效性.
  • 评估图像质量和临床实用性的改进.

主要方法:

  • 从22名患者的116个心声回声影像中获取的道数据,经过与算法相关的处理和不相关的处理.
  • 进行了纠正和未纠正图像的并排比较.

主要成果:

  • 该算法提高了7,380的图像质量,用连贯度量表量化.
  • 心脏病学家在97%的病例中更喜欢纠正偏差的图像,理由是提高了清晰度,对比度和降低了噪音.
  • 门叶片和内心边界等结构看起来更清晰,内心心室对比度得到改善.

结论:

  • 偏差校正对临床心声回声学具有显著的潜力.
  • 该算法提供了系统的图像质量改进,通过定量指标和专家偏好的验证.