ARDMS Flashcards
Most accurate meas to detect IUGR asymmetric
HC/AC
SUA assoc
Maternal alcohol, IUGR, trisomies,
Spalding sign
Overlapping of fetal skull bone
BPD landmarks
Thalamus, CSP
Outer to inner
No gb seen, suspect
Cystic fibrosis
Club foot
Talipes
Bladder flap
Done in c section to separate bladder from LUS during procedure
Anencephaly confirmed in utero
8 weeks
C section scar concerns for placenta
Placenta accreta
C section + previa = 25% chance accreta
Fibroids in cervix
Impede vag delivery
Mid gut herniation seen
8-12 weeks
YS
In GS
< 6 mm
Heart flicker
5.5 wks
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.
Ductus venosus
Becomes lig venosum and bypasses liver to IVC
Structures make up ductus Arteriosus
Bypass lungs.
Connects pulmonary artery to descending aorta
Rhombencephalon
8-11wks
Incompetent cx
< 3 cm
Amnion & Chorion fuse
14-15wks
May see up to 16 wks
Fallopian tube
Middle 1/3 ampulla. Fertilization occurs. MC site for ectopic.
Supine hypotensive syndrome
Turn patient LLD
Indication sono hystogram
Polyp endo
Hydrocephalus
Ventriculomegaly with macrocephaly
Turners
45XO
Cystic hygroma
Coarctation of aorta
Webbed neck shield chest
Beckwith Wiedemann
Large tongue/ macroglossia
Hemihypertrophy
Brachycephaly
> 85% CI
Rounded head
Dolichocephaly
Narrow flat head
< 70%
CI
(BPD/OFD)*100
Normal 70-85%
Immune Hydrops
Rh- mom
+ fetus
Non immune hydrops
CV MC cause