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    Transposition of the great vessels

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    What are the physiological consequences of this defect for Maria, a newborn baby, who needs surgery because she was born with an aorta that rises from the right ventricle and a pulmonary trunk that issues from the left ventricle, a position that is called transposition of the great vessels.

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    Normally blood returning from the body, which has little oxygen, passes to the right atrium and right ventricle where it is pumped to the lungs to become oxygen rich. Oxygen rich blood then passes to the left atrium and ventricle where it is pumped to the rest of the body. When the great vessels are transposed, oxygen-depleted blood from the body enters the right ...

    Solution Summary

    This solution describes the consequences for the patient of transposition of the great vessels, where the aorta rises from the right ventricle and the pulmonary trunk issues from the right ventricle. It describes the physiological reasons for the symptoms observed.