Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

1.3K
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
1.3K
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

947
Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
947
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

689
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
689
Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

606
Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
606
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

1.8K
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
1.8K
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

564
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
564

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Role of Exercise Stress Elastography for Investigating Shortness of Breath.

Circulation reports·2026
Same author

Giant cell myocarditis treated with long-term multi-modal care with multiple mechanical circulatory support: case report.

Oxford medical case reports·2026
Same author

Echocardiography Finds an Unusual Cause of Atrial Fibrillation.

CASE (Philadelphia, Pa.)·2026
Same author

Post-Decision-Making Anxiety and Depression in Family Members with Visitation Restrictions and a Patient Admitted to the Critical Care Unit.

Creative nursing·2026
Same author

Real-Time Proximal Extension of Acute Stanford Type B Aortic Dissection During CTA.

JACC. Case reports·2026
Same author

First Japanese Case of Hereditary Transthyretin Amyloid Cardiomyopathy with an Ile68Leu Variant: A Case Report.

Internal medicine (Tokyo, Japan)·2026

相关实验视频

Updated: May 6, 2026

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
11:50

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 10, 2010

25.4K

慢性缺血性 mitra 吐患者的环形几何学:三维磁共振成像研究研究.

Shuichiro Kaji1, Michihiro Nasu, Atsushi Yamamuro

  • 1Division of Cardiology, Department of Cardiovascular Surgery, Kobe General Hospital, 4-6, Minatojima-nakamachi, Kobe, 650-0046, Japan. skaji@kcgh.gr.jp

Circulation
|September 15, 2005
PubMed
概括

患有慢性缺血性 mitrale 吐 (CIMR) 的患者表现出扩大和平的 mitrale annuli. mitra annulus 的这些几何变化是理解 CIMR 发育的关键.

更多相关视频

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
07:42

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

Published on: May 19, 2020

6.5K
In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
11:16

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging

Published on: February 25, 2022

3.2K

相关实验视频

Last Updated: May 6, 2026

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
11:50

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 10, 2010

25.4K
An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
07:42

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

Published on: May 19, 2020

6.5K
In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
11:16

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging

Published on: February 25, 2022

3.2K

科学领域:

  • 心脏病学 心脏病学
  • 心脏成像 - - 心脏成像
  • 结构性心脏病 结构性心脏病

背景情况:

  • 动物研究表明,环状重塑有助于慢性缺血额头吐 (CIMR).
  • 在CIMR中对状环形几何学的人类数据有限.
  • 精确的3D几何理解对于手术干预至关重要.

研究的目的:

  • 在患有CIMR的患者中阐明3D心肌环形几何.
  • 为了研究中环形尺寸和CIMR严重程度之间的关系.

主要方法:

  • 心脏MRI用于研究38名先前患有心肌梗塞的患者.
  • 进行了 mitra annulus 和亚膜器官的3D重建.
  • 患者被根据心声回声图中腹重度对患者进行了分类.

主要成果:

  • 在CIMR患者中,隔膜-侧面和 commissure-commissure环形直径显著增加.
  • 纤维状环长度在CIMR患者中较大.
  • 在CIMR患者中,中枢环较平,具有较低的环状高度和较低的高度与宽度比.

结论:

  • 患有CIMR的患者呈现出扩大的状环形尺寸.
  • 一个平的额头环状形和增加的三角间距离是CIMR的特征.
  • 这些几何变化与慢性缺血性 mitrale regurgitation 的发病有关.