Chapter 19

Question 1

Asplenia is characterized by all of the following except:

Answer 1

left atrial isomerism

Question 2

The incidence of cardiac abnormalities associated with asplenia is:

Answer 2

70-90%

Question 3

The incidence of cardiac abnormalities associated with polysplenia is:

Answer 3

90-95%

Question 4

Polysplenia is commonly associated with

Answer 4

complete heart block

Question 5

The most specific marker of plysplenia is:

Answer 5

azygos continuation of the inferior vena cava

Question 6

Which cardiac abrnomality is almost always seen with asplenia?

Answer 6

pulmonary stenosis

Question 7

The most common cause of death in children with aspenia is:

Answer 7

sepsis

Question 8

Synonyms for the cardiosplenic syndromes include all off the following except:

Answer 8

situs solitus

Question 9

With the “double-vessel sign,” which two vessels are seen posterior to a four-chamber view of the fetal heart?

Answer 9

azygos vein and aorta

Question 10

The most likely sonographic cardiac finding in a fetus with heterotaxy is:

Answer 10

atrioventricular septal defet