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Related Concept Videos

Heart Valves01:16

Heart Valves

12.9K
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...
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Development of the Heart01:27

Development of the Heart

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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.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart...
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Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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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...
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Chambers of the Heart01:16

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.
Deoxygenated blood from the body is received in the right...
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Fetal Circulation01:14

Fetal Circulation

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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...
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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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Updated: Mar 3, 2026

A Modified Sonographic Algorithm for Image Acquisition in Life-Threatening Emergencies in the Critically Ill Newborn
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Unicuspid Aortic Valve in Infant.

Amar M Taksande1

  • 1Department of Pediatrics, Jawaharlal Nehru Medical College, Sawangi Meghe, Wardha, Maharashtra, India.

Journal of Cardiovascular Echography
|May 4, 2017
PubMed
Summary
This summary is machine-generated.

Unicuspid aortic valve (UAV) is a rare congenital heart defect. This case highlights its detection in an infant with moderate aortic stenosis using transthoracic echocardiography.

Keywords:
Echocardiographyinfantunicuspid aortic valve

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Area of Science:

  • Cardiology
  • Congenital Heart Disease
  • Pediatric Cardiology

Background:

  • The unicuspid aortic valve (UAV) is an exceptionally rare congenital anomaly.
  • UAV typically manifests as aortic stenosis, aortic incompetence, or a mixed valvular defect.

Observation:

  • This report details a specific case involving an infant diagnosed with UAV.
  • The diagnosis was established using transthoracic echocardiography.

Findings:

  • The infant presented with moderate aortic stenosis.
  • Transthoracic echocardiography confirmed the presence of a unicuspid aortic valve.

Implications:

  • Early detection of UAV in infants is crucial for timely intervention.
  • This case underscores the importance of echocardiography in diagnosing rare congenital cardiac anomalies.
  • Further research into UAV management strategies in pediatric populations is warranted.