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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

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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,...
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Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

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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...
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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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Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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Updated: Jul 10, 2025

Optocardiography and Electrophysiology Studies of Ex Vivo Langendorff-perfused Hearts
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对心脏进行输液成像.

Amit R Patel1, Christopher M Kramer1

  • 1Department of Medicine, From the Cardiovascular Division, University of Virginia Health, 1215 Lee Street, Box 800158, Charlottesville, VA 22908, USA; Department of Radiology and Medical Imaging, From the Cardiovascular Division, University of Virginia Health, 1215 Lee Street, Box 800158, Charlottesville, VA 22908, USA.

Magnetic resonance imaging clinics of North America
|November 25, 2023
PubMed
概括

压力心磁共振 (CMR) 心肌 perfusion 成像有效检测冠状动脉疾病. 这种非侵入性方法是指导再血管化决策的成本效益较高的替代方案.

关键词:
冠状动脉疾病是一种冠状动脉疾病.冠状动脉微血管学诊断的准确性 诊断的准确性心肌缺血的负担增加了心肌瘤缺血的负担.肌心输液成像 - - 肌心输液成像重新血管化的治疗方法压力心脏MRI成像 压力心脏MRI成像

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Retrograde Perfusion and Filling of Mouse Coronary Vasculature as Preparation for Micro Computed Tomography Imaging
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Retrograde Perfusion and Filling of Mouse Coronary Vasculature as Preparation for Micro Computed Tomography Imaging
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科学领域:

  • 心血管成像 - 心血管成像
  • 诊断的准确性 诊断的准确性
  • 医学指导方针 医学指导方针

背景情况:

  • 压力心磁共振 (CMR) 期间的心肌输液成像越来越多地被美国和欧洲指导方针推用于评估冠状动脉疾病.
  • 许多研究证实了压力 perfusion CMR 的高诊断准确性,用于识别血液动力学显著的冠状动脉疾病.

研究的目的:

  • 要突出压力 perfusion CMR 的诊断能力.
  • 强调其在临床实践中作为一种非侵入性和具有成本效益的工具.

主要方法:

  • 使用压力心脏磁共振 (CMR) 成像.
  • 专注于心肌输血评估.
  • 评估冠状动脉疾病的诊断准确性.

主要成果:

  • 在检测显著的冠状动脉疾病方面表现出高的诊断准确性.
  • 已确立压力输液CMR作为可靠的非侵入性成像技术.

结论:

  • 压力输液CMR是诊断冠状动脉疾病的推和准确方法.
  • 它作为一个具有成本效益的,非侵入性的替代方案,用于指导冠状动脉再血管.