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 Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

42
IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
42
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

34
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...
34
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

55
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...
55
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

37
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...
37
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

50
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...
50
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

39
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
39

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

Apical sparing strain (cherry-on-top sign) and the associated amyloidosis red-flag profile in patients with a hypertrophic phenotype: A single-center pilot.

Kardiologia polska·2026
Same author

Familial dilated cardiomyopathy associated with large TTN deletions and a novel PKP2 variant: A case for digenic inheritance.

Kardiologia polska·2026
Same author

Cryptogenic stroke caused by thrombus in a left-sided atrial septal pouch in an otherwise healthy woman.

Kardiologia polska·2026
Same author

Impact of body mass index and physiological indices in intermediate coronary lesions on long-term survival in younger versus older patients with chronic coronary syndromes.

Kardiologia polska·2026
Same author

Acute heart failure in infective endocarditis treated with valve-in-valve transcatheter aortic valve implantation.

Kardiochirurgia i torakochirurgia polska = Polish journal of cardio-thoracic surgery·2026
Same author

An anatomical atlas for hybrid ablation of atrial fibrillation: a step-by-step ablation guide with anatomical explanation.

Folia morphologica·2026

相关实验视频

Updated: Sep 10, 2025

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
08:31

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

4.0K

两侧环节断裂的双重性质:正常变异或病理前体?

Agata Krawczyk-Ożóg1, Mateusz K Hołda2

  • 1HEART - Heart Embryology and Anatomy Research Team, Department of Anatomy, Jagiellonian University Medical College, Krakow, Poland; Clinical Department of Cardiology and Cardiovascular Interventions, University Hospital, Krakow, Poland.

Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese
|August 27, 2025
PubMed
概括

伴手环断裂 (MAD) 是伴手环的移位

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

7.1K
Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
08:42

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Published on: February 11, 2022

3.6K

相关实验视频

Last Updated: Sep 10, 2025

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
08:31

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

4.0K
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

7.1K
Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
08:42

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Published on: February 11, 2022

3.6K

科学领域:

  • 心脏病学
  • 心脏解剖学
  • 电生理学

背景情况:

  • 伴手环断裂 (MAD) 是伴手环片点的空间移位.
  • 在历史上被视为一种解剖学上的好奇心, MAD因其临床意义而越来越受认可.
  • MAD与心脏膜脱落和心律失常有关.

研究的目的:

  • 检查一下两侧环形断裂的情况.
  • 讨论与MAD相关的诊断挑战.
  • 阐明MAD对患者结果的潜在影响.

主要方法:

  • 关于环断节的现有研究的文献综述.
  • 临床观察和病例报告的分析.
  • 关于MAD的流行,类型和临床关联的综合数据.

主要成果:

  • 有两种类型的MAD:心房 (a-MAD) 和心室 (v-MAD).
  • a-MAD的患病率差异很大 (7.2~96.0%),而v-MAD的患病率约为25%.
  • a-MAD与心脏门脱落,心室节律失常和心脏突然死亡有关.

结论:

  • MAD,特别是a-MAD,是影响风险分层的临床相关发现.
  • 需要进一步研究以了解v-MAD在心脏病理方面的作用.
  • 准确的诊断和对MAD的理解对于患者的管理至关重要.