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相关概念视频

Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

22
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...
22
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

21
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...
21
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

17
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...
17
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

18
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...
18
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

16
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...
16
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

23
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...
23

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相关实验视频

Updated: Jul 20, 2025

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

Published on: October 16, 2021

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副心关节分离:一个范围审查.

Sushan Gupta1, Ahmad Shihabi2, Mihir Kishore Patil3

  • 1From the Departments of Internal Medicine.

Cardiology in review
|August 3, 2023
PubMed
概括

伴心环断裂 (MAD) 是一种心脏病,其中伴心门异常移动,可能导致严重的心律失常. 心脏MRI对于诊断MAD和评估患者风险至关重要.

科学领域:

  • 心脏病学 心脏病学
  • 心脏成像 - - 心脏成像
  • 电子生理学 电子生理学

背景情况:

  • 中心环状断裂 (MAD) 涉及中心关节点的心房位移,特别是后侧的小册子.
  • 这种情况可能导致左心室血流异常,纤维化,心律失常和心脏骤停.
  • 虽然有时被认为是正常的,但MAD的起源仍然存在争议,并且它经常与 mitra 透或 myxomatous 疾病同时发生.

研究的目的:

  • 突显心血管病理学中中枢环节断层 (MAD) 的重要性.
  • 讨论MAD的诊断挑战和黄金标准成像模式.
  • 概述MAD患者的风险分层和管理策略.

主要方法:

  • 审查关于中枢环节断裂 (MAD) 的现有文献.
  • 跨胸腔心声谱与心脏核磁共振扫描的诊断能力的比较.
  • 对MAD患者的风险因素和分层标准的分析.

主要成果:

  • MAD是恶性心律不整的独立预测因子.
  • 心脏MRI是MAD诊断和风险分层的黄金标准,超过了Transthoracic Echocardiography的灵敏度.
  • 风险分层涉及年龄,同发作,早发性心室收缩,纤维化和断层距离.

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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

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相关实验视频

Last Updated: Jul 20, 2025

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Published on: October 16, 2021

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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

Published on: February 8, 2022

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结论:

  • 中心环节断裂 (MAD) 是一个重要的发现,与心室节律失常和突然心脏死亡的风险增加有关.
  • 通过心脏MRI等先进成像技术进行准确的诊断对于风险分层和适当的管理至关重要.
  • 对于无症状病例来说,保守的治疗是典型的,而对于高风险或有症状的个体来说,则考虑使用射频废除.