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| Right Aortic Arch |
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| Type ll—Aberrant Left Subclavian |
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| • | 2°
interruption of left aortic arch |
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| between
LCC and LSC arteries |
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| • | Associated
with cardiac defects 5-10% |
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| of the time |
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| • | Tetralogy
of Fallot most often (71%) |
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| • | ASD or VSD
next most often (21%) |
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| • | Coarctation
of aorta rarely (7%) |
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