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Related Concept Videos

Chambers of the Heart01:16

Chambers of the Heart

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...
Coronary Circulation01:21

Coronary Circulation

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.
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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...
Anatomy of the Heart01:27

Anatomy of the Heart

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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Related Experiment Video

Updated: May 19, 2026

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
08:17

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

Published on: February 20, 2017

Giant left atrium: a review.

Ahmed El Maghraby1, Rachel Hajar

  • 1Non-Invasive Cardiology, Department of Cardiology and Cardiothoracic Surgery, Heart Hospital, Hamad Medical Corporation, Doha, Qatar.

Heart Views : the Official Journal of the Gulf Heart Association
|August 25, 2012
PubMed
Summary

Giant left atrium, a rare condition affecting 0.3% of patients, is primarily caused by rheumatic mitral valve disease. This review covers its definitions, causes, symptoms, and management strategies.

Keywords:
Atrial fibrillationatrial plicationcompressiongiant left atriummaze procedurerheumatic heart disease

More Related Videos

Three-Dimensional Modeling of the Left Atrium and Pulmonary Veins with a Precise Intracardiac Echocardiography Approach
04:29

Three-Dimensional Modeling of the Left Atrium and Pulmonary Veins with a Precise Intracardiac Echocardiography Approach

Published on: June 30, 2023

Related Experiment Videos

Last Updated: May 19, 2026

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
08:17

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

Published on: February 20, 2017

Three-Dimensional Modeling of the Left Atrium and Pulmonary Veins with a Precise Intracardiac Echocardiography Approach
04:29

Three-Dimensional Modeling of the Left Atrium and Pulmonary Veins with a Precise Intracardiac Echocardiography Approach

Published on: June 30, 2023

Area of Science:

  • Cardiology
  • Pathology

Background:

  • Giant left atrium is a rare cardiac condition with an incidence of 0.3%.
  • Rheumatic mitral valve disease is the predominant cause, though other etiologies exist.
  • This condition has significant hemodynamic implications and necessitates specialized management.

Purpose of the Study:

  • To review the definitions, etiologies, clinical presentation, and management of giant left atrium.
  • To present two illustrative case studies of giant left atrium.

Main Methods:

  • Literature review on giant left atrium.
  • Case report analysis.

Main Results:

  • Giant left atrium is primarily linked to rheumatic heart disease.
  • Diverse etiologies contribute to giant left atrium.
  • Specific hemodynamic effects and management approaches are associated with this condition.

Conclusions:

  • Giant left atrium requires careful consideration due to its rarity and hemodynamic impact.
  • Understanding various etiologies and clinical presentations is crucial for effective management.
  • Further research into optimal management strategies for giant left atrium is warranted.