Vocab Week 5 Flashcards
BPD
Bi Parietal Diameter
(Measurement ear to ear)
Should be made after 13 weeks
Midline Echo
Represents the medial aspect of each cerebral hemisphere
CC
Cranial caudal axis
One of the viewing axes used in fetal ultrasound
Used to visualize the fetal spine, nuchal fold, fetal profile, and CRL
AC
Abdominal Circumference
FL
Femoral length (thigh bones)
FHR
Fetal Heart Rate
(Usually between 120-160 bpm)
Measurable at 6 weeks
Four Chamber View
Preformed in fetal echocardiography to detect congenital cardiac anomalies
Features evaluated: chamber size, number of heart chambers and location, contractility, septa, valves
Transverse
Imaging technique used to obtain a cross-section through the body in a horizontal plane
PA
Posterior-Anterior
Lateral
From the side
Sagittal
A plane parallel to sagittal sulture (divides body into left and right halves)
Cephalad
Toward the head (anterior) end of the body
Caudal
At/near the tail (posterior) end of the body
Echnogenic
Ability to bounce an echo (return signal in ultrasound examination)
Hypoechoic
A region in an ultrasound image in which the echos are weak/fewer than normal
AFI
Amniotic Fluid Index
A score (in cm) given to the amount of amniotic fluid seen on ultrasound in pregnant uterus
Normal: 8-18 cm
Oligohydramnios: 20-24
Omphalocele
Type of abdominal wall defect in which the intestine,liver (other organs) remain outside the body because of defect in the abdominal wall
Gastroschisis
Type of hernia
Baby has hole in abdominal wall and intestines are exposed out of hole
Beckwith-wiedmann syndrome
Overgrowth disorder characterized by an increased risk of childhood cancer and certain congenital features
AFAFP
Amniotic fluid alpha fetoprotein
Can be measured at 15-24 weeks gestation
AchE
Acetylcholinesterase
Presence in amniotic fluid indicates NTD and ventral wall defects
MoM
Multiple of Median
Measurement of how far an individual test result deviates from the median of the population
Arnold-chaiari malformation
Structural defect in cerebellum
When part of cerebellum is located below the foramen magnum
Lemon sign
The ultrasound finding of frontal bone scalloping assciated eith arnold-chiari malformation