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  2. Tricuspid atresia - Wikipedia

    en.wikipedia.org/wiki/Tricuspid_atresia

    This can be accomplished by a ventricular septal defect (VSD) connecting the left ventricle to the pulmonary artery or by a patent ductus arteriosus (PDA) connecting the aorta to the pulmonary artery. In the latter case, prostaglandin E1 is used to maintain the PDA connection until emergency corrective surgery can be completed.

  3. Pulmonary atresia with ventricular septal defect - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_atresia_with...

    The mildest variant of pulmonary atresia with ventricular septal defect involves pulmonary atresia with normally developed main pulmonary artery and branch pulmonary arteries, the blood that flows to the lungs from the right side of the heart goes to the left side of the heart through the ventricular septum which then flows through the patent ...

  4. Transposition of the great vessels - Wikipedia

    en.wikipedia.org/wiki/Transposition_of_the_great...

    The severity of symptoms depends on the type of TGV, and the type and size of other heart defects that may be present (ventricular septal defect, atrial septal defect, or patent ductus arteriosus). Most babies with TGA have blue skin color (cyanosis) in the first hours or days of their lives, since dextro-TGA is the more common type.

  5. Ventricular septal defect - Wikipedia

    en.wikipedia.org/wiki/Ventricular_septal_defect

    Ventricular septal defect is usually symptomless at birth. It usually manifests a few weeks after birth. [citation needed] VSD is an acyanotic congenital heart defect, aka a left-to-right shunt, so there are no signs of cyanosis in the early stage. However, an uncorrected VSD can increase pulmonary resistance leading to the reversal of the ...

  6. Atrioventricular septal defect - Wikipedia

    en.wikipedia.org/wiki/Atrioventricular_septal_defect

    The effect on the baby is to worsen the heart failure that is associated with an isolated VSD and to hasten the onset of pulmonary hypertension. It should be mentioned that CAVSD is found in approximately one-third of babies who have Down syndrome , but it also occurs as an isolated abnormality.

  7. dextro-Transposition of the great arteries - Wikipedia

    en.wikipedia.org/wiki/Dextro-Transposition_of...

    cyanotic d-TGA + VSD neonate (unpalliated and pre-operative) Due to the low oxygen saturation of the blood, cyanosis will appear in peripheral areas: around the mouth and lips, fingertips, and toes; these areas are furthest from the heart, and since the circulated blood is not fully oxygenated to begin with, very little oxygen reaches the peripheral arteries. [2]

  8. Congenital heart defect - Wikipedia

    en.wikipedia.org/wiki/Congenital_heart_defect

    In both conditions, the presence of a patent ductus arteriosus (and, when hypoplasia affects the right side of the heart, a patent foramen ovale) is vital to the infant's ability to survive until emergency heart surgery can be performed, since without these pathways blood cannot circulate to the body (or lungs, depending on which side of the ...

  9. Wikipedia:Osmosis/Ventricular septal defect - Wikipedia

    en.wikipedia.org/.../Ventricular_septal_defect

    A ventricular septal defect is when this lower wall—the ventricular septum—has a gap in it after development. The septum is formed during development as this muscular ridge of tissue grows upward from the apex, or the tip, and then fuses with a thinner membranous region coming down from the endocardial cushions.