Chapter 11 Flashcards

1
Q

The most common location for coarctation to occur in utero is between:

A

the ductus arteriosus and the left subclavian artery

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2
Q

All of the following are classifications of coarctation of the aorta except:

A

semiductal

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3
Q

The most severe form of coarctation of the aorta is termed:

A

interruption of the aortic arch

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4
Q

The most common type of interruption of the aortic arch is

A

type B

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5
Q

Coarctation of the aorta results from an abdominal development of the embryological:

A

fourth and sixth aortic arches

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6
Q

Preductal coarctations are the result of:

A

decresed blood flow

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7
Q

What percentage of coarctations occur as an isolated anomaly?

A

32

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8
Q

On ultrasonography, a useful indirect sign of coarctation is:

A

right ventricle size > left ventricle size

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9
Q

What other congenital cardiac abnormality is almost always present with an interrupted aortic arch?

A

ventricular septal defect

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10
Q

What other congenital cardiac abnormality has the highest association with coarctation of the aorta?

A

bicuspid aortic valve

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