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Related Concept Videos

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Chambers of the Heart

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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.
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Development of the Heart01:27

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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.
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Abdominal Aorta01:25

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Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
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The Aorta01:14

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The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
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Heart Valves01:16

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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.
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Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA
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Congenital Left Ventricular Aneurysm.

Eric Bailey1, Adam Small2, Dan G Halpern2

  • 1Department of Medicine, NYU Grossman School of Medicine, New York, New York, USA.

JACC. Case Reports
|September 19, 2024
PubMed
Summary
This summary is machine-generated.

A 30-year-old man was diagnosed with a left ventricular aneurysm and noncompaction, presenting with scarring and reduced systolic function. This case highlights a rare congenital heart condition potentially involving a pericardial defect.

Keywords:
cardiomyopathycongenital heart diseaseleft ventricular aneurysm

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Area of Science:

  • Cardiology
  • Medical Case Reports
  • Congenital Heart Disease

Background:

  • Left ventricular aneurysms are rare, often associated with myocardial infarction.
  • Left ventricular noncompaction is a genetic cardiomyopathy characterized by prominent trabeculations.

Observation:

  • A 30-year-old male presented with symptoms suggestive of cardiac dysfunction.
  • Imaging revealed an apical-lateral wall left ventricular aneurysm with significant scarring.
  • Prominent left ventricular trabeculations and mildly diminished systolic function were noted.

Findings:

  • The working diagnosis was congenital left ventricular aneurysm coexisting with left ventricular noncompaction.
  • A possible pericardial defect was also identified, adding complexity to the diagnosis.
  • The patient exhibited a unique combination of cardiac abnormalities.

Implications:

  • This case underscores the importance of considering congenital etiologies for left ventricular aneurysms, especially in younger patients.
  • The co-occurrence of left ventricular aneurysm and noncompaction presents diagnostic and therapeutic challenges.
  • Further investigation into potential pericardial defects is warranted in similar presentations.