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The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
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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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The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
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The human heart, despite its modest size and weight, is an organ of remarkable strength and endurance. Roughly the size of a fist, the heart weighs between 250 and 350 grams and is nestled within the mediastinum, the medial cavity of the thorax. It extends obliquely for about 12 to 14 cm, resting on the superior surface of the diaphragm. The heart is positioned anterior to the vertebral column and posterior to the sternum, with two-thirds of its mass lying to the left of the midsternal line.
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Un único ventrículo izquierdo de doble cámara

Wen-Xia Zhou1, Bing-Jie Li1, Ye-Ting Bian1

  • 1Department of Cardiology, West China Hospital of Sichuan University, Chengdu, China.

Echocardiography (Mount Kisco, N.Y.)
|August 20, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Este informe de caso detalla una rara variante del ventrículo izquierdo de doble cámara (DCLV) en un hombre de 26 años. Las imágenes avanzadas confirmaron una obstrucción única, ayudando al diagnóstico de esta anomalía cardíaca congénita.

Palabras clave:
ecocardiografía de contrasteVentrículo izquierdo de doble cámaraecocardiografía transtorácica

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Área de la Ciencia:

  • Cardiología
  • Enfermedad cardíaca congénita
  • Imágenes cardíacas

Sus antecedentes:

  • El ventrículo izquierdo de doble cámara (DCLV) es una anomalía cardíaca congénita rara.
  • Esta variante presenta una no comunicación o una conexión severamente obstruida entre las cámaras ventriculares.

Objetivo del estudio:

  • Para describir una variante única del ventrículo izquierdo de doble cámara (DCLV).
  • Para resaltar el papel de las imágenes cardíacas avanzadas en el diagnóstico de esta rara condición.

Principales métodos:

  • Informe de caso de un paciente de 26 años.
  • Se utilizó ecocardiografía transtorácica, ecocardiografía de contraste y resonancia magnética cardíaca (RMC).

Principales resultados:

  • Se logró un diagnóstico preciso y la diferenciación de una variante poco común de DCLV.
  • La imagen completa fue esencial para caracterizar la anomalía ventricular.

Conclusiones:

  • Las modalidades avanzadas de imágenes cardíacas son cruciales para diagnosticar trastornos cardíacos congénitos raros como esta variante de DCLV.
  • Un diagnóstico preciso facilita el tratamiento adecuado del paciente.