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OBGYN 3 Exam 2 > fetal abdominal wall > Flashcards

fetal abdominal wall Flashcards

1
Q

most common ABD wall defects

A

gastroschisis
omphalocele

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2
Q

abd wall defects cannot be diagnosed unitl after how many weeks

A

14 weeks

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3
Q

gastroschsis

A

usually right paraumbilical
common in males
off midline defects

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4
Q

does gastroschsis have genetic assoc.

A

no

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5
Q

is gastroschsis covered by a sac

A

no

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6
Q

does the defect gastroschsis include bowel or liver

A

bowel

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7
Q

what other bowel abnormalities is gastroschsis assoc. w/

A

atresia or stenosis due to vascular compromise

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8
Q

increase risk of gastroschsis in

A

tabacco use
alcohol cocaine use
<20 yrs old
iugr

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9
Q

Omphalocele

A

viscera herniated through a midline defect into base of umb. cord

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10
Q

is the liver involved in an Omphalocele

A

yes

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11
Q

what is beckwith-wiedeman

A

large tongue
large organs

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12
Q

Omphalocele commonly assoc. w/

A

IUGR
still birth

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13
Q

bladder extrophy

A

more common in males
defect of lower abd wall and ant wall of bladder

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14
Q

Limb Body Wall Complex (LBWC)

A

result of failure of closer of the ventral body wall

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15
Q

Limb Body Wall Complex (LBWC) disorders include

A

short umb. cord
disruption of spine limbs cranium

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16
Q

Limb Body Wall Complex (LBWC) sono findings

A

fetus stuck to placenta
cord end tethered to fetus

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17
Q

Limb Body Wall Complex (LBWC) D.D

A

amniotic band syndrome
omphalocele
gastroschisis

18
Q

when does the amnion and chorion fuse by

A

12-16 weeks

19
Q

amnion and chorion separation can be caused by

A

bleeding
iud
trauma
invasive procedure

20
Q

ABS anomalies limbs

A

club feet
edema
amputation

21
Q

ABS anomalies cranium

A

anencephaly
enchephalocele

22
Q

ABS anomalies face

A

cleft lio
nose anomalies

23
Q

ABS anomalies thorac

A

rib clefting

24
Q

ABS anomalies spine

A

scoliosis

25
Q

ABS anomalies perinum

A

ambiguous genitalia
imperforate anus

26
Q

when does the spleen start to function

A

between 12 to 24 weeks

27
Q

esophageal atresia

A

more common in males
may have TE fistula communicating with ST

28
Q

esophageal atresia asso. w/

A

tri 18 or 21 vacterl

29
Q

esophageal atresia sono findings

A

fluid filled esophagus
absent ST
poly
IUGR

30
Q

duodenal atresia assoc. w/

A

 CV anomalies
 GI anomalies
 bowel malrotations
 Esophageal atresia
 TE fistula (Trachea/esophageal)
 Trisomy 21
 Symmetric IUGR
 Vertebral anomalies  VACERAL complex

31
Q

duodenal atresia sono findings

A

seen 2nd or 3rd tri
double bubble sign
dilated stomach
poly

32
Q

jejunum obstruction

A

will by dilated prox to obstruction
hyperperistalsis
poly
enlarged duodenum and stomach

33
Q

what pathology is associated with echogenic bowel

A

intra amniotic hemorrhage
meconium peritonitis
cystic fibrosis
CMV
IUGR
tri 21

34
Q

ascites is assoc. w/ what?

A

hydrops
bowel perf.
heart failure
infection
tumor
twin twin transfusion

35
Q

colon obstruction

A

no poly
assoc. w/  perforated bowel  bowel obstruction
 w/imperforate anus  anal atresia
 cystic fibrosis
 Hirschsprung’s

36
Q

meconium peritonitis

A

impaction of thick and sticky meconium
dilation of ileum
distal colon becomes small
seen in pts w/ cystic fibrosis

37
Q

when is meconium peritonitis seen

A

after 26 weeks

38
Q

meconium peritonitis sono findings

A

poly
dilated loops of bowel
increased echoes

39
Q

hirschprungs disease

A

congenital disorder of a segment of the colon
will see poly
dilated lops of bowel with calcifications

40
Q

what is echogenic bowel a marker for

A

cystic fibriosis
aneupolidy
GI anomalies
IUGR
cytomegalovirus

OBGYN 3 Exam 2 (3 decks)

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