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相关概念视频

Chambers of the Heart01:16

Chambers of the Heart

4.1K
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...
4.1K
Development of the Heart01:27

Development of the Heart

899
The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart...
899
Fetal Circulation01:14

Fetal Circulation

860
Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
860
Cardiovascular System Abnormal Findings II: Auscultation01:25

Cardiovascular System Abnormal Findings II: Auscultation

105
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:
105
Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

158
Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
158
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

1.4K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.4K

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相关实验视频

Updated: Jun 13, 2025

Author Spotlight: Effect of Left Atrial Ligation on Avian Embryonic Hearts and HLHS Implications
04:37

Author Spotlight: Effect of Left Atrial Ligation on Avian Embryonic Hearts and HLHS Implications

Published on: June 16, 2023

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腹膜心脏与低可塑性左心结构共存的腹膜心脏.

Natalia Mroczek1, Kamil Adamczyk2, Katarzyna Konarska3

  • 1Students' Scientific Group at the Department of Pediatric Cardiac Surgery, Jagiellonian University Medical College, Kraków, Poland.

Folia medica Cracoviensia
|September 10, 2024
PubMed
概括
此摘要是机器生成的。

这份报告详细介绍了一个早产婴儿.

关键词:
埃克托皮亚·科尔迪斯 (ectopia cordis) 是一种有机植物.低可塑性左心综合征是什么

更多相关视频

A Pipeline to Characterize Structural Heart Defects in the Fetal Mouse
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A Pipeline to Characterize Structural Heart Defects in the Fetal Mouse

Published on: December 16, 2022

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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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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

Last Updated: Jun 13, 2025

Author Spotlight: Effect of Left Atrial Ligation on Avian Embryonic Hearts and HLHS Implications
04:37

Author Spotlight: Effect of Left Atrial Ligation on Avian Embryonic Hearts and HLHS Implications

Published on: June 16, 2023

1.1K
A Pipeline to Characterize Structural Heart Defects in the Fetal Mouse
08:19

A Pipeline to Characterize Structural Heart Defects in the Fetal Mouse

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

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科学领域:

  • 新生儿医学 新生儿医学
  • 遗传性心脏缺陷 遗传性心脏缺陷
  • 发展生物学 发展生物学

背景情况:

  • 胸腔内是一种罕见的先天性异常,心脏异常地位于胸腔外.
  • 缺血性左心结构代表了一系列先天性心脏缺陷,其特点是左侧心脏结构发育不足.
  • 极端外周心脏和低可塑性左心脏结构同时发生的情况极为罕见.

研究的目的:

  • 报告一个独特而致命的早产新生儿病例,该新生儿既有极端的外周心脏和左心脏结构的低可塑性.
  • 突出诊断和管理这些复杂的先天性异常的挑战.
  • 为了解这些同时出现的条件的胚胎学基础做出贡献.

主要方法:

  • 案例报告的呈现方式.
  • 对临床表现,诊断成像 (心声学,胎儿超声波) 和尸检结果的审查.
  • 讨论有关心脏外和左心脏结构的相关文献.

主要成果:

  • 一个早产的婴儿呈现出一种严重形式的心脏外,心脏位于外部.
  • 发现心脏左侧结构的显著不发育,包括左心室,心心和大动脉.
  • 这些异常的结合证明与生命不相容,导致了致命的结果.

结论:

  • 在过早出生的新生儿中,极端的外周心脏和低可塑性左心脏结构的同时发生代表了具有普遍致命预后的严重先天性疾病.
  • 这一案例强调了详细的产前诊断的重要性,以及当前医疗干预措施对这种严重形的局限性.
  • 进一步研究导致这些复杂心脏异常的遗传和环境因素是有必要的.