14. Congenital Fetal: Ultrasound Findings Concerning for Down Syndrome

Question 1

More than half of fetuses (or feti, if you prefer) with Downs have congenital heart issues, - most commonly

Answer 1

AV canal and VSD

Question 2

Most common intra abdominal pathology associated with Downs (hard to see before 22 weeks)

Answer 2

Duodenal Atresia

Question 3

Not Specific (can be seen with obstruction, infection, CF, ischemia, and lots of other stuff)

Answer 3

Echogenic Bowel

Question 4

Seen in Trisomy 18. It should prompt a close survey for other findings (normal if in isolation)

Answer 4

Choroid Plexus Cyst

Question 5

Nuchal Translucency measures =

Answer 5

3 mm in the 1st trimester

Question 6

Nuchal fold thickness > 6mm in the first trimester =

Answer 6

Turners

Question 7

Translucency > 3mm in the first trimester.

Answer 7

Echogenic Focus in Cardiac Ventricle