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関連する概念動画

Chambers of the Heart01:16

Chambers of the Heart

10.0K
The human heart is a complex organ made up of four chambers: the right and left atria and the right and left ventricles. These internal chambers are separated by partitions known as the interatrial and interventricular septa. The exterior of the heart features a groove known as the coronary sulcus that demarcates the atria from the ventricles, while the anterior and posterior interventricular sulci distinguish between the two ventricles.
Deoxygenated blood from the body is received in the right...
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Heart Valves01:16

Heart Valves

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The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
15.1K
Cardiovascular System Abnormal Findings II: Auscultation01:25

Cardiovascular System Abnormal Findings II: Auscultation

865
Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
Abnormal Heart Sounds
Gallops:
865
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

1.1K
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...
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Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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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...
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Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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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...
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関連する実験動画

Updated: May 5, 2026

Murine Fetal Echocardiography
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Murine Fetal Echocardiography

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Ventricular septal defects 静脈隔膜障害 静脈隔膜障害 静脈隔膜障害 静脈隔膜障害 静脈隔膜障害

Mary S Minette1, David J Sahn

  • 1Pediatric Cardiology, Oregon Health & Science University, Portland 97239-3098, USA.

Circulation
|November 15, 2006
PubMed
まとめ
この要約は機械生成です。

静脈隔膜欠陥 (VSD) は,一般的な先天性心疾患である. この記事では,患者の改善のために,それらの臨床的特徴と現在の治療方法について詳しく説明します.

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A Pipeline to Characterize Structural Heart Defects in the Fetal Mouse

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関連する実験動画

Last Updated: May 5, 2026

Murine Fetal Echocardiography
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科学分野:

  • 心臓病学 心臓病学
  • ペディアトリック・カルディオロジー
  • 生まれながらの心臓病 生まれながらの心臓病

背景:

  • 静脈隔膜欠陥 (VSD) は,最も頻繁な先天性心異常である.
  • VSDは,解剖学的位置,臨床的表れ,および関連する心臓病変において有意な異質性を示す.
  • VSDの自然史を理解することは,効果的な管理に不可欠です.

研究 の 目的:

  • 腹腔隔膜の欠陥の臨床的側面を包括的に検討する.
  • VSDの現在の診断と治療戦略の概要を述べる.

主な方法:

  • 臨床試験の文献レビューとVSDの管理ガイドライン.
  • VSDの分類,表示,および自然進行に関する情報の合成.
  • 医学的および外科的介入を含む現代の治療方法の分析.

主要な成果:

  • VSDは,無症状から重度の心不全まで,さまざまな臨床シナリオを呈する.
  • 管理戦略は,VSDのサイズ,位置,および血液動力学的影響に基づいて調整されます.
  • 早期診断と適切な介入は,治療結果を改善する鍵です.

結論:

  • 静脈隔膜の欠陥は,個別化された管理アプローチを必要とします.
  • 現在の戦略は,合併症を予防し,長期的な健康状態を最適化するために,タイムリーな介入に焦点を当てています.
  • VSDの治療を洗練し,患者の予後を改善するために,継続的な研究は不可欠です.