Birth Defects

What is dextrocardia with situs solitus?

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  • In dextrocardia with situs solitus, a congenital condition, the heart is on the right side of the chest, but all of the other internal organs are in their normal positions.

    One slight difference is that right lung is smaller than the left lung, in order to accommodate the heart. Usually, the reverse is true.

    This condition does not normally pose health problems, however some may suffer from additional congenital heart abnormalities.

    The transposition of the great arteries is one of the common abnormalities associated with dextrocardia.

    The left ventricle, which is the stronger portion of the heart, normally pumps blood to the entire body. But when the great arteries are transposed, the left ventricle pumps blood next door to the lungs. Meanwhile, the right ventricle, which normally pumps blood to the lungs, must pump blood to the rest of the body. Doctors would notice this condition as soon as a baby is born because the infant's skin color looks bluish. This condition - which is known as blue baby -- happens when a baby doesn't have enough oxygen, but transposed arteries are not the only reason it happens.

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