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相关概念视频

Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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

Mitral Valve Prolapse II: Assessment and Management

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 tachycardia.
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

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...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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

Mitral Stenosis II: Clinical features and Diagnostic Tests

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...

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相关实验视频

Updated: Jul 15, 2026

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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病例报告:一种罕见的扩散性 mitra 膜神经瘤.

Dongqing Dou1, Jun Wu1, Wei Yuan2

  • 1Department of Echocardiography, Second Affiliated Hospital of Dalian Medical University, Dalian, China.

Frontiers in cardiovascular medicine
|November 29, 2024
PubMed
概括

扩散性二心肌瘤是一种罕见的心脏瘤,可以引起呼吸短促等症状. 心声学,特别是3D食道间成像,对于诊断和评估这种情况至关重要.

关键词:
这是心脏瘤.额头门的中枢门我的xomax是什么意思三维跨食道心电回声图.门的更换 门的更换

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

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科学领域:

  • 心脏病学 心脏病学
  • 心脏病理学心脏病理学

背景情况:

  • 心脏肌瘤通常是良性瘤,但在心交上广泛分布并不常见.
  • mitra 膜的扩散性肌瘤是一种罕见的实体,报告的病例有限.

研究的目的:

  • 报告一种罕见的扩散性 mitra 膜肌瘤病例.
  • 突出声心图的诊断实用性,特别是3D透食管声心图,用于评估中枢瘤.

主要方法:

  • 通过胸腔回声心脏图像 (TTE) 和通过食道回声心脏图像 (TEE) 用于成像.
  • 组织学检查证实了扩散性肌瘤的诊断.
  • 详细评估使用了三维透食管心声学 (3D-TEE) 来进行详细评估.

主要成果:

  • 一名患者出现了运动性呼吸障碍和胸部紧张.
  • 心声扫描揭示了 mitra 膜上多种瘤与中度 mitra 吐.
  • 组织学证实了这些瘤是 mitra 的扩散性 myxoma.
  • 3D-TEE提供了对中枢瘤的精确评估.

结论:

  • 扩散性二心肌瘤是一种罕见的疾病,可以模仿其他心脏病理.
  • 心声学,特别是3D-TEE,对于准确的诊断和手术规划至关重要.
  • 在这种罕见的心脏瘤中,早期和精确的诊断对于有效的临床决策至关重要.