Sonographic markers for Down Syndrome Flashcards
1
Q
Thickness of nuchal translucency
A
> or equal to 3.0 mm
2
Q
Thickness of nuchal fold
A
> or equal to 5 mm
3
Q
Nasal bone
A
absent
4
Q
Short femur
A
<0.9 multiples of the median length for GA
5
Q
Short humerus
A
<0.9 multiples of the median length for GA
6
Q
Pyelectasis
Anteroposterior diameter of the resnal pelvis
A
> 4 mm
7
Q
Echogenic intracardiac focus
A
Discrete focus in either ventricle as bright as bone
8
Q
Hyperechoic bowel
A
Fetal bowel as bright as bone
