Term
EDC also known as EDD what EDC and EDD stand for? |
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Definition
Estimated date of confinement and Expected date of delivery |
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Term
What is the Nagele's rule? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
When is consider posterm or postdate? |
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Definition
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Term
Why is it important to recognize normal fetal anatomy? |
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Definition
To know normal from an abnormal |
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Term
The pregnancy divided into three 13 week segments called? |
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Definition
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Term
Why should you develop an organized & systematic approach? |
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Definition
to assess the fetus, placenta, & amniotic fluid |
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Term
to find the fetal position if scan from sag midline of cx to fundus is to determine of what relationship? |
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Definition
Fetal position in relation to mother |
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Term
How do you determine fetal position in relation to mother? |
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Definition
scan sag midline from cx to fundus |
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Term
What do we should to determine to find fetal anatomy? |
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Definition
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Term
What is called with fetal part closest to CX? |
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Definition
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Term
What is the vertex of fetal presentation? |
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Definition
Cephalic/ fetal head near maternal CX; scan toward fundus; the body may lie oblique or long |
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Term
What is the breech of fetal presentation? |
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Definition
The lower extremities or lower body found in the LUS (lower uterine segment) with head in the fundus;
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Term
Types of breech presentation include___ |
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Definition
Complete-incomplete (footling)-frank |
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Term
What is the transverse of fetal presentation? |
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Definition
Transverse cross-section of fetal head or body when scanning sagittal |
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Term
Situs of fetal to determine the ___ |
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Definition
Right and left of fetus to check for normal position of fetal organs |
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Term
Situs of fetal is also for verify of what? |
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Definition
Anatomic landmarks are on the proper side |
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Term
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Definition
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Term
At what level of transvere axial scan plan, the BPD more likely to obtain? |
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Definition
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Term
How to do the measurement of BPD? |
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Definition
From outer edge of cranium nearest to transducer to the inner edge of cranium farthest from transducer |
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Term
From outer edge of cranium nearest to transducer to the inner edge of cranium farthest from transducer is ____ |
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Definition
Leading edge to leading adge |
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Term
Do not include soft tissue on the outer edge of this organ is the measurement of __ |
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Definition
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Term
What is the OFD stand for? |
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Definition
Occipital frontal diameter |
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Term
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Definition
Use the same transaxial image of BPD to measure along long axis of fetal head from Occipital to frontal bone
Caliper at outeredge of calvaria to outer edge of calvaria |
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Term
How to calculate the corrected BPD? |
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Definition
square root of [(BPD x OFD)/1.265] |
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Term
What is the important thing to know when measure the head? |
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Definition
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Term
Composed of 2 lateral hemispheres with "dumbbell shaped" this is: |
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Definition
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Term
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Definition
Cerebellum,vermis, CSF (cerebrospinal fluid), Ventricles (4th, 3rd, 2 lateral), Choroid plexus, Cisterna Magna, |
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Term
To check for cranial contour there is include: |
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Definition
Lateral vent, Choroid plexus, Falx cerebri, Cerebellum, Thalamus, CSP, Cisterna magna, |
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Term
Fills central spinal cord, ventricles of brain and subarachnoid space; and protective cushion regulating pressure within spaces this is___ |
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Definition
CSF (cerebrospinal fluid) |
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Term
This help manufacture or distribute CSF (cerebrospinal fluid) this is___ |
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Definition
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Term
How many ventricles total what are they? |
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Definition
4-2 lateral vents, one in each cerebral hemisphere, 1 third ventricle and 1 fourth ventricle |
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Term
One on each side of cerebral hemisphere what is this ventricle name? |
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Definition
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Term
This have dumbbell shaped structure in posterior with homogeneous and symmetric what is this? |
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Definition
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Term
This ventricle in ML central in thalamus what is this? |
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Definition
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Term
This ventricle is ML and more in posterior this is |
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Definition
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Term
This found in lateral, 3rd and 4th ventricles what is this? |
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Definition
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Term
This is the largest space where CSF pools and located at base of cerebellum in posterior location in skull what is this? |
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Definition
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Term
With ultrasound this is echogenic line dividing homogeneous cerebellum into right and left halves what is this? |
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Definition
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Term
With ultrasound this cavity appears as echo free space and filled with choroid plexus what is this? |
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Definition
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Term
This is seen as echogenic structures within the lateral ventricles what is this? |
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Definition
Sonography of choroid plexus |
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Term
This show with diamond shaped in center of axial section taken thru temporal lobe and homogeneous what is this? |
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Definition
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Term
This is ML structure containing of 2 small echogenic lines separated by CSF and parallel to falx what is this? |
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Definition
Sonography of CSP (cavum septum pellucidum) |
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Term
This appears anechoic posteroinferior to cerebellum what is this? |
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Definition
Sonography of cisterna magna |
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Term
What should document for fetal Heart in anatomy scan? |
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Definition
4 chambers; check for position and symmetry; and fetal heart rate |
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Term
How to identify the fetal kidneys? |
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Definition
On either side of spine- renal pelvis may contain small amount of fluid |
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Term
How is the bladder look like? |
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Definition
ML, round, fluid filled structure |
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Term
A hypoechoic line spearating lungs from abdomen what is this? |
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Definition
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Term
This structure locate in bladder and move cephalad, this is evaluated for anterior abdominal wall defects what is this? |
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Definition
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Term
This confirm of 1 vein, 2 arteries, transverse look like a "mikey mouse" what is this? |
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Definition
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Term
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Definition
Verify 2 arms/hands and 2 legs/feet |
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Term
What are the structures of fetal anatomy scan nclude? |
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Definition
Cranium, Heart; kidneys; bladder; stomach;diaphargm; spine; umbilical cord insert; 3vc; extremities; and face |
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Term
This is anechoic structure on the left side of abdomen what is this? |
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Definition
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Term
Check for orbits; nasal bones this is in the view of___ |
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Definition
Coronal frontal facial view |
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Term
Check for nostrils (nares) and nasal septum, lips this scan the image of: |
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Definition
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Term
What are images need to see in fetal face? |
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Definition
Facial profile; coronal frontal facial view; and nose/lips |
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Term
How to measure the head circumference? |
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Definition
The length outer perimeter of cranium use the same transaxial image as for BPD and measure with electronic ellipse or outer to outer BPD and OFD |
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Term
What is the formular to calculate HC? |
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Definition
HC=(D1 of BPD + D2 of OFD) x 1.57
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Term
How many way to measure the head? |
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Definition
4- BPD, OFD and BPD--> corrected BPD, HC and CI (cephalic index) |
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Term
How many way to calculate HC? |
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Definition
2-electronic ellipse and outer to outer of BPD and OFD |
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Term
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Definition
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Term
What is leading edge to leading edge mean? |
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Definition
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Term
What is CI determination of? |
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Definition
Normal head shaped or not |
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Term
If we have BPD measurement, to find the corrected BPD what do we need to do? |
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Definition
Find OFD then use square root the value of BPDxOFD/1.265 |
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Term
Place caliper at outer edge of calvaria to outer edge of calvaria from occipital to frontal bone to find what? |
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Definition
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Term
What scan plane use to find BPD, OFD, and HC?
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Definition
Transaxial section at level of thalamus, CSP and Falx |
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Term
It is more difficult to measure BPD in 3rd tri with/because head____ |
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Definition
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Term
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Definition
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Term
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Definition
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Term
What is this level if CI = 75-85% range |
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Definition
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Term
If CI >85% what is this level of head called? |
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Definition
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Term
If CI <75% what is this level of head called? |
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Definition
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Term
What is the head shape have shortened transverse (BPD) and elongated AP plane (OFD) called? |
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Definition
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Term
What is the head shape have elongated transverse (BPD) and shortened AP plane (OFD) called? |
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Definition
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Term
The length of outer perimeter of abdomen measured on transverse scan at level of____ |
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Definition
Stomach; intrahepatic portion of umbilical vein (including skin); spine |
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Term
Which is consider the least accurate of measurements? |
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Definition
AC ( abdominal circuference) |
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Term
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Definition
Consider more useful as growth parameter than to predict GA, but this is useful to detect fetal growth disturbances |
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Term
Which way is used to measure AC? |
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Definition
Ellipse or 2 sets of caliper (trans -TAD and AP- APD) |
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Term
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Definition
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Term
Which measurement is about as accurate as BPD in determination of GA? |
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Definition
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Term
When to do a scan of FL what do you need to be sure these are stimultaneously in plane? |
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Definition
Femoral head or greater trochanter and femoral condyle |
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Term
How to do a measurement of FL? |
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Definition
Place calipers at junction of bone with cartilage to measure diaphysis (the calcified portion) and don't include the relection of epiphysis |
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Term
With humerus length measurement what do we need to measure? |
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Definition
The humerus shaft -diaphysis |
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Term
What are the other bones measurement of upper and lower extremities ? |
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Definition
Radius length, Ulna length, Tibia length, Fibula length |
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Term
This bone is medial and thicker than the lateral bone of lower extremity what is this bone? |
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Definition
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Term
This bone is lateral and more thinner than the medial bone what is this bone? |
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Definition
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Term
This bone in upper extremities penetrates deeper into elbow and larger and anatomically in medial position what is this? |
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Definition
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Term
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Definition
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Term
If epiphysis is seen in 33 wk and high amplitude echo adjacent to femur this is portion of ___ |
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Definition
Distal femoral epiphysis - DFE |
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Term
If the epiphysis is seen at 35 wk with high amplitude echo adjacent to tibia what is this part? |
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Definition
Proximal tibial epiphysis - PTE |
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Term
If the epiphysis is seen at 38 wk what is this part? |
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Definition
The proximal humeral epiphysis- PHE |
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Term
Which identification can help to date but don't measure either present or not what is this structure? |
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Definition
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Term
Which way use to measure orbits? |
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Definition
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Term
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Definition
Inner orbital distance- medial border of orbit to opposite medial border |
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Term
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Definition
Outer orbital distance- Lateral border of 1 orbit to opposite lateral wall |
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Term
What are the cranial measurement include? |
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Definition
Cerebellum, Cisterna Magna, Nuchal fold, Lateral ventricles |
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Term
How to scan and measure the cerebellum? |
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Definition
From level of BPD angle back into posterior fossa then measure end to end |
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Term
How to scan and measure the cisterna magna? |
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Definition
Angle slightly more inferior from cerebellum level, measure from vermis to inner occipital bone |
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Term
What measure of Cisterna Magna is consider abnormal? |
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Definition
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Term
At the same level of Cisterna Magna what other measurement should be done here? |
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Definition
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Term
How to measure nuchal fold? |
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Definition
From occipital bone to the edge of skin |
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Term
Nuchal fold consider abnormal at 15-21 wk if measurement is__ |
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Definition
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Term
Where and how to measure the lateral ventricle? |
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Definition
At atrium, if wall of ventricle parallel using ventricle more distal to transducer |
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Term
What measuremen of lateral ventricles is considered abnormal? |
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Definition
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Term
To determination of GA what parameters are used? |
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Definition
Estimated may improve if there are 2 or more parameter are used |
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Term
Is any single parameter is perfect to predict GA? |
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Definition
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Term
What parameters are used to calculate fetal weight? |
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Definition
numerous formulas are used, most reliable formulas incorporate all parameters of BPD, HC, AC, and FL |
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Term
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Definition
to detecct fetal compromise
for normal is conservative care and for abnormal is use as timely delivery of neonate in best condition |
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Term
What is Hypertellerism mean? |
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Definition
To wildely space between orbits (eyes) |
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Term
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Definition
Eyes are too close each other |
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Term
What is the type of US to check and see fetal well-being? |
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Definition
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Term
What is the goal of pregnancy? |
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Definition
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Term
If the fetus measures smaller than dates is ____ and the weight is _____for GA |
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Definition
SGA (small for gestational age),
<10% |
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Term
If the fetus measures larger than dates this is _____and weight is ___for GA |
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Definition
large for GA (diabetic fetus) and >90% |
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Term
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Definition
A birth weight of 4000 g or greater |
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Term
What is important for delivery purposes? |
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Definition
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Term
What is the common result of macrosomia? |
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Definition
Poorly controlled maternal diabetes mellitus, hyperinsulinemia promotes accelerated somatic/body growth |
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Term
How many minutes BPP can be ranged? |
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Definition
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Term
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Definition
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Term
What is the risk factor of macrosomia? |
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Definition
Multiparous, AMA (advance of maternal age), obesity, diabetes, excessive pregnancy weight gain, hx of LGA fetus and postdate pregnancy |
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Term
With macrosomia the fetus have increase incidence of what? |
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Definition
Shoulder injuries, dystocia, fractures, and facial & brachial plexus palsies |
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Term
Which assessment is the useful measurement of fetal weight? |
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Definition
AC (abdomen circumference) |
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Term
Why AC is useful for assessment of fetal weight? |
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Definition
Elevated glucose levels leads to overgrowth of fetal chest/abdomen |
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Term
Macrosomia associated finding with:___ |
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Definition
Elevated amniotic fluid (polyhydramnios) |
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Term
IUGR is term applies for fetal growth disorder that result on basis of a weight_____ |
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Definition
below the 10th percentile for GA |
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Term
There are 2 classifications of IUGR ___ |
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Definition
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Term
What are the clinical signs of IUGR? |
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Definition
Small for dates, maternal conditions associated with IUGR, history of SGA infant |
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Term
What is the symmetric IUGR? |
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Definition
All growth parameters are small, usually result of severe insult in the 1st trimester, appx 1/4 of IUGR=25%, and includes infection or congenital malformation |
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Term
US finding of symmetric IUGR are:___ |
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Definition
Mature placenta earlier than expected
Oligohydramnios
Low BPP score
Abnormal Doppler assessments
All the measurement are greater than 2 wks below expected GA, but cerebellum may still measure appropriately |
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Term
US finding of Asymmetric IUGR are:___ |
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Definition
HC/AC raio >=2 standard diviation (SD)
AC measuring > 2 weeks behind HC
Oligohydramnios
Advanced maturity of the placenta
Abnormal Doppler assessments |
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Term
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Definition
Body is disproportionately smaller than head/limbs; usually in 2nd or 3rd trimester;
Usually results from placental insulfficiency (materna diabetes, chronic hypertension, cardiac disease, abruption placenta, smoking, multiple pregnancies, poor weight gain |
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Term
This is appx about 75% or 3/4 of all what is this? |
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Definition
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Term
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Definition
Due to protect the brain and ensure of brain sparing the asymmetry is between the head size and the abdominal size |
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Term
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Definition
Umbilical cord, membranes, lungs, skin, and kidneys |
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Term
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Definition
Decrease amount of amniotic fluid |
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Term
Decreased amount of amniotic fluid (oligohydramnios) is associated with___ |
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Definition
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Term
Divide the uterine cavity into 4 quadrants and measure largest vertical pocket in each quadrant with no umbilical cord or limbs is measurement/evaluation of __ |
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Definition
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Term
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Definition
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Term
If the total of all 4 quadrants with a measurement of 5-22cm is consider as |
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Definition
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Term
With single pocket evaluation method normal is__ |
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Definition
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Term
With single pocket evaluation method if <2cm is __ |
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Definition
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Term
With single pocket evaluation method if >8cm is__ |
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Definition
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Term
The subjective way to measure for experienced sonographer is __ |
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Definition
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Term
Placetal grade from___ is used to determine___ |
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Definition
0-3 ; placental maturation |
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Term
What is grade 3 of placenta in the 2nd and 3rd trimester indication of?? |
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Definition
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Term
Biophysical Profile is from__ |
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Definition
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Term
There are 5 parameters used for BPP is__ with 10 max score - |
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Definition
Fetal heart rate and 4 US variables |
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Term
List the BPP parameters used:- |
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Definition
cadiac non stress test (NST)
Observation of fetal breathing movements
Gross fetal body movements
Fetal tone
Amniotic fluid volume (AFV) |
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Term
What parameter some other lab omit and max score is 8 |
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Definition
NST Cardiac non stress test |
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Term
How long is the fetus has a max time limit to perform these tasks?
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Definition
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Term
How the score affect performance? |
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Definition
Score of "2" for performance or a "0" for no performance |
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Term
For fetal breathing what need to observe? |
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Definition
simultaneous inward movement of chest wall with outward movement of anterior abdominal wall during the inspiration
Watch for the diaphragm
One episode of 30 sec during 30min =2 point
Absent no point are given=0
Sleep-wake cycle vary with the fetal central nervous system |
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Term
How many extremity or trunk movements must be observed within 30 minutes to score as 2 points? |
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Definition
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Term
Fetal tone presence of at least 1 episode of ___ |
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Definition
extension and immediate return to flexion of an extremity or the spine |
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Term
What is the abnormal of fetal tone is noted? |
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Definition
Partial extension or flexion of an extremity without quick return and would be score 0 points |
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Term
Example of fetal tone are__ |
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Definition
One active extension and flexion of an open and closed hand |
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Term
How to score the amniotic fluid volume in BPP exam? |
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Definition
At least 1 amniotic fluid pocket measuring with at least 2 cm or more in vertical axis
AFI may be used and score of 2 point if >5cm |
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Term
Non-stress test (NST) score of 2 if___ |
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Definition
Two-2 fetal heart rate acceleration of 15 beats per min or more
Acceleration lasting at least 15 seconds
This associated with fetal movements over 30 mins |
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Term
Non-stress test (NST) score of 0 if___ |
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Definition
2 fetal heart rate accelerate with gross fetal movement not seen in 30 min |
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Term
An abnormal after 30 wk of umbilical artery Doppler with systolic and diastolic ratio of ___ |
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Definition
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Term
In the case associated with poor outcomes the Doppler of umbilical artery shows |
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Definition
Elevated resistance and causing absent or reverse end diastolic flow velocity waveform |
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Term
Normal BPP variables with __ |
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Definition
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Term
Abnormal BPP variables with __ |
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Definition
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Term
The ratio Doppler of UA is higher if measure in ___ |
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Definition
place close to the fetal cord insertion |
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Term
What % of infants weight >90% for GA in general population? |
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Definition
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Term
What % are considered macrosomia in general population? |
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Definition
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Term
What % of infants is LGA occur in diabetics? |
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Definition
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Term
What % of infants is macrosomia occur in diabetics? |
|
Definition
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Term
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Definition
small fetuses with no maternal pathology and with normal of UA and MCA |
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Term
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Definition
Small for GA, but underlying maternal pathology |
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Term
Proportionately reduced in size is |
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Definition
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Term
Proportionately small in relation to head and limbs is |
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Definition
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Term
With Doppler there is reverse or absent diastolic flow indicate of___ |
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Definition
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Term
2 vessels are helpful tools to identify small fetuses at risk for an adverse outcome is___ |
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Definition
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Term
Which segment is the last develop reversed flow? |
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Definition
Closer to placental insertion |
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Term
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Definition
free-floating umbilical cord |
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Term
The most common cause of fetal death is |
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Definition
Fetal hypoxemia or acidemia |
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Term
Which examination is highly accurate for predicting the presence of significant fetal hypoxemia or acidemia? |
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Definition
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