Sunday, May 27, 2012
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Tetralogy of Fallot Learning Center

Causes could include:
Tetralogy of Fallot is classified as a cyanotic heart defect because the condition causes low oxygen levels in the blood, which leads to cyanosis (a bluish-purple coloration to the skin).
Source:ADAM
Date:December 10, 2007
Tetralogy of Fallot is a congenital defect with unknown causes. Babies with tetralogy of Fallot are blue at birth or cyanotic. Sometimes the blue color appears only when they cry. They also have detectable heart murmurs . Infants with mild forms c...
Source:Gale Encyclopedia of Children's Health
Tetralogy of Fallot is a congenital defect with unknown causes. Babies with tetralogy of Fallot are blue at birth ( cyanosis ). Sometimes the blue color appears only when they cry. They also have detectable heart murmurs . Infants with mild forms ...
Source:Gale Encyclopedia of Medicine
Ventricular septal defect describes one or more holes in the wall that separates the right and left ventricles of the heart. Ventricular septal defect is one of the most common congenital (present from birth) heart defects. It may occur by itself ...
Source:ADAM
Date:December 10, 2007
A ventricular septal defect is a hole in the wall of the heart (septum) that separates the left lower chamber (left ventricle) from the right lower chamber (right ventricle). The hole allows blood to flow from the left ventricle to the right ventr...
Source:Gale Encyclopedia of Medicine
Pulmonary valve stenosis is a condition in which the flow of blood from the heart (right ventricle, or lower chamber) is blocked at the valve that separates the heart from the pulmonary artery (pulmonic valve. This narrowing is usually present at ...
Source:ADAM
Date:May 15, 2008
Pulmonary valve stenosis is a congenital heart defect in which blood flow from the heart to the pulmonary artery is blocked.
Source:Gale Encyclopedia of Medicine
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