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
| number of pregnancies, including the present one |
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Term
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Definition
| a numeric system describing all pregnancy outcomes |
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Term
- 1 full term delivery
- 1 premature births and stillborns
- 0 early pregnancy loss or terminations
- 2 living children
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Definition
Numbers in order represent what for parity?
P1102 |
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Term
| Vertes Presentation (Cephalic) |
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Definition
| Fetal head is down near cervix |
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Term
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Definition
| Lower extremities or buttocks are found in lower uterine segment, and head is in uterine fundus |
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Term
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Definition
| Both thighs are flexed at the hips and the lower legs extend in front of the body up to the level of the head( swimmer's pike) |
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Term
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Definition
| Both hips and lower extremities are in lower uterine segment |
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Term
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Definition
| When the hips are extended and one (sinle footling) or both (double footling) are the parts closest to the cervix |
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Term
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Definition
| flattened or elongated head |
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Term
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Definition
| when a cross section of the fetal head or body is seen in the sagittal plane, need to look for placenta previa or mass in late pregnancy |
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Term
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Definition
| Is described in relation to the maternal long axis |
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Term
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Definition
| Effective OB scanning is dependent on the operator's ability to visualize the fetal position |
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Term
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Definition
| The cranium anatomy stays the same after how many weeks? |
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Term
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Definition
| Appears large within the cranium early on and then appears smaller later on in pregnancy |
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Term
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Definition
| Cranial bones ossify by when? |
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Term
| Occipitoposterior position |
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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
| All measurements of the cranium will be taken from this position |
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Term
| hypoechoic because of the small size reflectors and high water content |
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Definition
| Normal fetal brain parenchyma appears how and why? |
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Term
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Definition
| Brain anomalies are always ? |
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Term
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Definition
| Dont measure the nuchal fold after how many weeks? |
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Term
| midline echo, falx cerebri, or interhemispheric fissure |
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Definition
| Synonyms for midline falx |
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Term
| midline falx and white matter tracts |
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Definition
| Most superior level within the skull will demonstrate what structure(s)? |
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Term
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Definition
| lateral and parallel to the midline falx, look for two linear echoes representing deep venous structures called? |
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Term
| Two paired lateral ventricles, midline third ventricle, and fourth ventricle |
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Definition
| What ventricles are within the brain? |
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Term
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Definition
| The ventricles contain what? |
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Term
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Definition
| Is in the roof of each lateral ventricle and produces CSF |
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Term
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Definition
| Fluid flows from lateral ventricles through what to third ventricle? |
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Term
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Definition
| Fluid then flows from third ventricle to fourth ventricle trough what? |
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Term
| interventricular foramina and foramen of Luschka |
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Definition
| Fluid then flows from fourth ventricle into the cerebral and spinal subarachnoid spaces through what? |
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Term
| Stenosis of the aqueduct of sylvius |
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Definition
| Most common type of fetal hydrocephaly and will result in excess fluid in the third and lateral ventricles |
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Term
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Definition
| Dilation of the entire ventricular system is associated with what? |
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Term
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Definition
| Viewed at a level just below the white matters tracts and choriod plexus will be seen within them |
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Term
| The atrium of the lateral ventricles |
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Definition
| ______ is the area where the temporal, occipital, and inferior portion of lateral venticles join, the most inferior portion of the choriod plexus body marks the site of this. |
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Term
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Definition
| the body of the choroid plexus |
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Term
| This area remains constant throughout the pregnancy |
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Definition
| Why is measuring at the level of the atrium of the lateral ventricles done? |
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Term
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Definition
| Normal measurement of the lateral ventricles |
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Term
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Definition
| Abnormal measurement of the lateral ventricles |
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Term
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Definition
| Slightly inferior to the ventricles is the what? |
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Term
| slightly inferior to the ventricles |
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Definition
| Widest transverse diameter of the skull and hte proper level of measuring the BPD and HC |
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Term
| Cavum septum pellucidum, midline falx, and paired thalami |
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Definition
| At the level of measuring the BPD you should see what structures? |
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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
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Definition
| The band of tissue between the frontal horns |
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Term
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Definition
| Seen more inferior in the cranium, similar to thalmus in shape but smaller. |
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Term
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Definition
| Can be seen pulsating between the cerebral peduncles |
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Term
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Definition
| in back of the cerebral peduncles within the posterior fossa |
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Term
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Definition
| Cerebellar hemispheres are joined by what? |
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Term
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Definition
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Term
| Arnold-Chiari malformation |
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Definition
| When the cerebellum displays the banana sign it is termed what? |
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Term
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Definition
| osterior fossa filled with CSF, is directly posterior to cerebellum |
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Term
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Definition
| A normal cisterna magna can exclude open what? |
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Term
| cyst, such as dandy walker malformation, or other abnormalities |
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Definition
| An enlarged cisterna magna may indicate what? |
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Term
| 3 to 11 mm with an average of 5-6 mm |
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Definition
| Normal cisterna magna measures what? |
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Term
| Measure from vermis to inner occipital bone |
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Definition
| How do you measure the cisterna magna? |
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Term
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Definition
| Abnormal cisterna magna measures what? |
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Term
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Definition
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Term
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Definition
| can be measured in 2nd trimester at level of cerebellum |
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Term
| 5mm or less up to 20 weeks |
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Definition
| Normal nuchal fold measurements are what? |
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Term
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Definition
| Thickened nuchal skin is increased risk for what? |
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Term
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Definition
| parietal bones should measure less than 3mm if not adjust what? |
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Term
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Definition
| Used to determine normality of the fetal head shape |
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Term
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Definition
| Normal range for cephalic index |
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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
| the fetal face is easy to appreciate by how many weeks? |
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Term
- fetal positioning
- adequate amounts of amniotic fluid
- excellent visualization
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Definition
| Visualization of fetal face relies heavily on what? |
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Term
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Definition
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Term
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Definition
| fused or closely spaced orbits |
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Term
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Definition
| abnormally wide spaced orbits |
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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
IOD
Inner orbital distance |
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Definition
| measured from medial border to medial border of the orbit |
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Term
OOD
Outer orbital distance |
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Definition
| measured from lateral border to lateral border of the orbits |
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Term
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Definition
| measurement of single orbit |
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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
| protrusion of the brain from the cranium |
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Term
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Definition
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Term
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Definition
| each segment of a normal profile should be proportioned approx. how much/ |
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Term
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Definition
| bright echo parallel to the echogenic skin interface in the superior aspect of the nose |
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Term
second trimester
13 weeks |
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Definition
| nasal bone should be present by when? |
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Term
- both orbital rings
- parietal bones
- ethmoid bones
- nasal septum
- zygomatic bone
- maxillae
- mandible
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Definition
| Anatomic landmarks of the Coronal facial view |
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Term
- nares
- nasal septum
- maxillae
- mandible
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Definition
| Anatomic landmarks of the Tangential views |
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Term
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Definition
| view angled up looking at nose and lips |
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Term
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Definition
| a large tongue that protrudes out of the mouth persistently |
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Term
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Definition
| can be seen along the periphery of the skull |
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Term
| coronal, transverse, and sagittal views |
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Definition
| Spine should be seen in what three views? |
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Term
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Definition
| appears as two curvilinear lines extending from the cervical spine to the sacrum |
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Term
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Definition
| normally the spine will ____ near the sacrum and _____ near the base of the skull |
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Term
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Definition
| The double line referred to as this is generated by echoes from the posterior and anterior laminae and spinal cord |
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Term
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Definition
| spinal column appears as a closed circle, indicating closure of the neural tube |
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Term
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Definition
| If pediclaes appear splayed in a V,C, or U shaped configuration and the posterior ossification echo is absent in a fetus with ? |
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