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Flashcards in ARDMS Deck (75)
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SUA assoc

Maternal alcohol, IUGR, trisomies,

1

Most accurate meas to detect IUGR asymmetric

HC/AC

2

Spalding sign

Overlapping of fetal skull bone

3

BPD landmarks

Thalamus, CSP
Outer to inner

4

No gb seen, suspect

Cystic fibrosis

5

Club foot

Talipes

6

Bladder flap

Done in c section to separate bladder from LUS during procedure

7

Anencephaly confirmed in utero

8 weeks

8

C section scar concerns for placenta

Placenta accreta

C section + previa = 25% chance accreta

9

Fibroids in cervix

Impede vag delivery

10

Mid gut herniation seen

8-12 weeks

11

YS

In GS
< 6 mm

12

Heart flicker

5.5 wks

13

Umb vein

Goes to liver by pass liver by ductus venosus and dumps IVC
Hep vein to IVC to right atrium. Right ventricle.
Main Pulm artery. By pass lungs via ductus Arteriosus.
To aorta.

Blood in Right atrium mix with blood from SVC, crosses foramen ovale to left atrium. Then to left ventricle. To aorta.

14

Ductus venosus

Becomes lig venosum and bypasses liver to IVC

15

Structures make up ductus Arteriosus

Bypass lungs.
Connects pulmonary artery to descending aorta

16

Rhombencephalon

8-11wks

17

Incompetent cx

< 3 cm

18

Amnion & Chorion fuse

14-15wks
May see up to 16 wks

19

Fallopian tube

Middle 1/3 ampulla. Fertilization occurs. MC site for ectopic.

20

Supine hypotensive syndrome

Turn patient LLD

21

Indication sono hystogram

Polyp endo

22

Hydrocephalus

Ventriculomegaly with macrocephaly

23

Turners

45XO
Cystic hygroma
Coarctation of aorta
Webbed neck shield chest

24

Beckwith Wiedemann

Large tongue/ macroglossia
Hemihypertrophy

25

Brachycephaly

> 85% CI
Rounded head

26

Dolichocephaly

Narrow flat head
< 70%

27

CI

(BPD/OFD)*100

Normal 70-85%

28

Immune Hydrops

Rh- mom
+ fetus

29

Non immune hydrops

CV MC cause

30

Poly Oli

Twin twin transfusion
Donor: IUGR & oligo
Recipient: CHF, hydrops, poly

31

Transposition

Parallel outflow tracts
Aorta comes of Rt Vent
Pulm artery comes off Lt Vent

32

VSD

MC ❤️ defect
Assoc with tri 21, 13, 18, AV canal

33

Ebstein's ️anomaly

Tricuspid valve displaced Inferiorly
Atrialized right ventricle
Assoc with Lithium

34

Aortic Arch

Candy cane appearance

35

TRAP sequence

Acardiac monster
Pump twin : CHF
Artery to artery communication

36

Twin peak sign

Di di

37

Conjoined twin egg splits

13 days

38

CRL

6 weeks

39

Previa

Covers cx

Complete
Partial
Low lying

40

Accreta

Abnl attach

Accreta: touches myo
Increta: into myometrium
Percreta: out though serosa

Assoc with c section and previa

41

MC placental tumor

Chorioangioma

On fetal side

42

Wharton's jelly

Covers umbilical cord

43

Ectopic HCG

Subnormal hCG

44

Best time amnio & CVS

CVS: 9-12 wks
Amnio: 14 wks

45

L/s ratio

Lung maturity

46

Coronal nose lips

Asses cleft lip / palate

47

NB image

11-14 wks

48

NT

11-14wks
< 3 mm

49

NF

Meas < 5 mm
15-20 wks

50

Best way to view diaph

Long axis
Hypo band

51

Renal anomalies

MCDK

Potters: bilateral renal agenesis, pulmonary hypoplasia, facial anomalies, malformed extremities

UPJ: uni, associate with contralateral MCDK or agenesis. MC hydro cause.

52

Renals start to function when

Nephron function 8 weeks
Fluid comes from fetus at 20 weeks

53

Renal artery pic coming off long aorta with color

:)

54

Stomach seen

< 14 wks

55

Embryonic period

1st 10 weeks
Fetal period at 10 wks

56

LH peaks & cause

Ovulation

57

FSH

Stimulates follicular development

58

Estrogen

Inc estrogen stops FSH
Estrogen inc 24-46 hours before ovulation to stop FSH
LH is made, peaks, causes ovulation

59

Middle cerebral artery

In brain. Top part of circle of wilis

60

2.5 MOM MSAFP

Normal

61

CCAM

Cyst in lungs
Type 3 echogenic
Displaced heart

62

Septate uterus

Best image plane trvs

63

Uterus

3cmL child
Nulliparous 6-8cm
Multiparous 8-10cm
Post meno 3.5-5.5cm

64

Endo

Menses < 3 mm. Thin
Proliferative 3 line sign < 8 mm
Secretory thickest 8-15mm

Menopause < 5 mm
With hormones < 8mm
Menstruating 7-14mm

65

MC lethal skeletal Dysplasia

Thenatophoric

66

Achondrogenesis

2nd MC lethal

67

Achondroplasia

MC non lethal

68

Hand stuff

Clinodactyly: overlapping
Syndactyly: fused
Ectrodactyly: lobster claw

69

Endometrioma

Chocolate cyst ectopic endo tissue

70

Post meno bleeding

Cancer, endo hyperplasia, fibroid

71

Broad ligament

Double fold peritoneum
Ovary to uterus

72

PCOS

Stein Leventhal: hairy fat
Numerous small cyst displaced string of pearls
Infertility

73

Spina bifida

2nd MC NTD
Inc AFP
Myelomeningocele: most severe.
Meningocele: more common

Bulging sac seen better trvs
Banana sign. Lemon sign. Ventriculomegaly.

74

Clenched fist

Trisomy 18