First trimester procedures/ALARA Flashcards
1
Q
Thermal index should be less than
A
0.7
(TIS used up to 10 weeks, TIB used after 10 weeks)
2
Q
Mechanical index should be less than
A
0.3
3
Q
T or F – 3D imaging introduces additional safety concerns
A
F
4
Q
T or F – 4D with continuous exposure can increase risk for bioeffects
A
T
5
Q
EV indicated in 1st trim when
A
no FHR seen TA, difficult UT position, fibroids, pathology
6
Q
When is EV contraindicated
A
amniotic membrane rupture in 2nd/3rd trimester. translabial instead
7
Q
Threatened abortion
A
vaginal bleeding in a viable pregnancy with a closed cervix up to 20 weeks
8
Q
A
