Information about Cyanotic Heart Defect
A cyanotic heart defect is a group-type of congenital heart defects (CHDs). The patient appears blue (cyanotic), due to deoxygenated blood bypassing the lungs and entering the systemic circulation. This can be caused by right-to-left or bidirectional shunting, or malposition of the great arteries.
Cyanotic heart defects, which account for approximately 25% of all CHDs, include:
Cyanotic heart defects, which account for approximately 25% of all CHDs, include:
- dextro-Transposition of the great arteries (d-TGA)
- Hypoplastic left heart syndrome (HLHS)
- Pulmonary atresia (PA)
- Tetralogy of Fallot (ToF)
- Tricuspid atresia
- Persistent truncus arteriosus
A congenital disorder is any medical condition that is present at birth. However, a congenital disorder can be recognized before birth (prenatally), at birth, years later, or never. The term congenital does not imply or exclude a genetic cause.
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MeSH D006330 A congenital heart defect (CHD) is a defect in the structure of the heart and great vessels of a newborn. Most heart defects either obstruct blood flow in the heart or vessels near it or cause blood to flow through the heart in an abnormal pattern, although
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Cyanosis
Classifications and external resources
ICD-10 R 23.0
ICD-9 782.5
Cyanosis is a bluish coloration of the skin due to the presence of deoxygenated hemoglobin in blood vessels near the skin surface.
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Classifications and external resources
ICD-10 R 23.0
ICD-9 782.5
Cyanosis is a bluish coloration of the skin due to the presence of deoxygenated hemoglobin in blood vessels near the skin surface.
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Blood is a specialized biological fluid consisting of red blood cells (also called RBCs or erythrocytes), white blood cells (also called leukocytes) and platelets (also called thrombocytes) suspended in a complex fluid medium known as blood plasma.
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lungs flank the heart and great vessels in the chest cavity.[1]]]
The lung is the essential respiration organ in air-breathing vertebrates, the most primitive being the lungfish.
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The lung is the essential respiration organ in air-breathing vertebrates, the most primitive being the lungfish.
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Systemic circulation is the portion of the cardiovascular system which carries oxygenated blood away from the heart, to the body, and returns deoxygenated blood back to the heart. The term is contrasted with pulmonary circulation.
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A right-to-left shunt is a cardiac shunt which allows, or is designed to cause, blood to flow from the right heart to the left heart. This terminology is used both for the abnormal state in humans and for normal physiological shunts in reptiles.
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A bidirectional shunt is a cardiac shunt which allows, or is designed to cause, blood to flow freely between the right heart and the left heart. This occurs when:
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- there is an opening or passage between the atria, ventricles, and/or great vessels; and,
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In medicine, a shunt is a hole or passage which moves, or allows movement of, fluid from one part of the body to another. The term may describe either congenital or acquired shunts; and acquired shunts (sometimes referred to as iatrogenic shunts) may be either or .
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Great arteries is a term used to refer collectively to the primary arteries of the heart, which include:
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- Pulmonary artery: the vessel that carries oxygen-depleted blood from the right ventricle to the lungs.
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dextro-transposition of the great arteries
Classification & external resources
ICD-10 Q 20.3
ICD-9 745.10
-Transposition of the great arteries (d-Transposition of the great arteries, dextro-TGA, or d-TGA
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Classification & external resources
ICD-10 Q 20.3
ICD-9 745.10
-Transposition of the great arteries (d-Transposition of the great arteries, dextro-TGA, or d-TGA
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Hypoplastic left heart syndrome
Classification & external resources
Diagram of a healthy heart and one suffering from Hypoplastic left heart syndrome
ICD-10 Q 23.4
ICD-9 746.
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Classification & external resources
Diagram of a healthy heart and one suffering from Hypoplastic left heart syndrome
ICD-10 Q 23.4
ICD-9 746.
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Pulmonary atresia
Classification & external resources
ICD-10 Q 25.5
ICD-9 747.3
MedlinePlus 001091
eMedicine ped/2526 ped/2898
MeSH C14.240.
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Classification & external resources
ICD-10 Q 25.5
ICD-9 747.3
MedlinePlus 001091
eMedicine ped/2526 ped/2898
MeSH C14.240.
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Tetralogy of Fallot
Classification & external resources
diagram of a healthy heart and one suffering from Tetralogy of fallot
ICD-10 Q 21.3
ICD-9 745.
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Classification & external resources
diagram of a healthy heart and one suffering from Tetralogy of fallot
ICD-10 Q 21.3
ICD-9 745.
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Tricuspid atresia
Classification & external resources
Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (Tricuspid valve labeled at bottom left.)
ICD-10 Q 22.4
ICD-9 746.
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Classification & external resources
Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (Tricuspid valve labeled at bottom left.)
ICD-10 Q 22.4
ICD-9 746.
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Persistent Truncus Arteriosus
Classification & external resources
Diagrams to illustrate the transformation of the bulbus cordis. Ao. Truncus arteriosus. Au. Atrium. B. Bulbus cordis. RV. Right ventricle. LV. Left ventricle. P. Pulmonary artery.
ICD-10 Q 20.
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Classification & external resources
Diagrams to illustrate the transformation of the bulbus cordis. Ao. Truncus arteriosus. Au. Atrium. B. Bulbus cordis. RV. Right ventricle. LV. Left ventricle. P. Pulmonary artery.
ICD-10 Q 20.
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