chapter 50 ob 1st trimester complications Flashcards

1
Q

most common presentation for complications

A

bleeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

embryo must be visualized transvaginally when MSD reaches

A

25mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

pregnancy failure definitively stated when

A

embryo is 7mm or greater without a heartbeat OR MSD is 25mm and no embryo is visible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

big gestational sac with no embryo

A

blighted ovum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

embryonic placenta, or frondosum, may become detached, resulting in formation of _______, may cause vaginal bleeding. 50% or greater fetal lose rate.

A

placental hematomas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Most common cause of bleeding in 1st trimester

A

subchorionic hemorrhage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

textbook appearance of SCH

A

crescent moon or wedge-shaped fluid adjacent to gestational sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

strong indicators of spontaneous abortion

A

endometrium over 8mm, increased vascularity of endometrial complex, decreased hCG levels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

most critical sign for viable pregnancy

A

cardiac activity in 1st trimester

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

fetal tachycardia

A

greater than 170bpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

simultaneous side by side appearance of amnion and yolk sac

A

double bleb sign

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

amnion evaluation: abnormal development is suggested when

A

amnions’ thickness and ecogenicity is almost/same as the yolk sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

benign form of gestational trophoblastic disease/molar pregnancy

A

hydatidiform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

malignant form of gestational trophoblastic disease/molar pregnancy

A

choriocarcinoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

patients with molar pregnancy hCG levles–

A

dramatically elevated–100,000 IU/ml or greater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

most common form of trophoblastic disease

A

complete hydatidiform mole

17
Q

sonographic characteristic of complete hydatidiform mole

A

snowstorm appearance(small cystic spaces, grape-like clusters), enlarged uterus, theca lutein cyst, hypervascularity

18
Q

most common kind of persistent trophoblastic disease

A

chorioadenoma destruens/invasive mole

19
Q

risk factors of ectopic

A

IUD, PID, fallopian tube surgeries, infertility treatments, history of ectopic

20
Q

found in 45% of patients with ectopic

A

vaginal bleeding, empty uterus, adnexal mass, positive pregnancy test

21
Q

most important finding when scanning for ectopic pregnancy

A

check for:

  • normal IU gestation
  • is uterine cavity empty and adnexal mass present
22
Q

20% or ectopic patients demonstrate intrauterine sac-like structure known as

A

pseuodogestational sac

23
Q

sonographic finding on ectopic pregnancy that represents active trophoblastic blood flow

A

“Ring of fire”

24
Q

combination of ______ and ________ is the most precise sonographic correlation in the diagnosis of ectopic pregnancy

A

adnexal mass and pelvic fluid

25
Q

coexisting IUP and ectopic pregnancy

A

heterotopic pregnancy

26
Q

rapidly growing fibroids may compress gestation sac and cause

A

spontaneous abortion

27
Q

to distinguish fibroids from a focal uterine contraction

A

contraction–disappears

fibroid–stays