Term
| A patient states she has had 1 elective abortions and 2 miscarriages and most recently she had delivered a baby at 35 weeks GA and baby is doing well. What is the correct gravida and Para to write on her ultrasound report? |
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Definition
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Term
| List all parameters used to assess pregnancy dating, (clinical and routine sonographic). |
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Definition
Clinical parameters= LMP, Fundal height, Bhcg
Sonographic parameters= GS, CRL, BDP, HC, AC, FL |
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Term
| Define supine hypotension syndrome (SHS) |
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Definition
| A condition that occurs when a large, heavy gravid uterus compresses the IVC. As a result, venous return to the heart is diminished and the patient blood pressure is lowered. |
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Term
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Definition
| The patient will feel faint, light headed, sweaty, and nauseous. If the supine hypotension goes undetected, the patient can pass out. |
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Term
| What can be done to relieve or prevent SHS? |
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Definition
| By turning the patient on their left side, placing a wedge (pillow) under the patients right side to relieve pressure from the IVC, and bringing the table up to a semi reclining position to elevate torso. |
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Term
| How is fetal position determined at the beginning of an ultrasound study? |
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Definition
| By beginning the scan in the sagittal midline image. |
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Term
| What is the most common fetal position? |
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Definition
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Term
| When might an external version be attempted by a physician? |
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Definition
| When the baby is in the Frank Breech position |
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Term
| Situs or correct positioning of the fetal organs can be determined if the sonographer knows the fetal _______________ |
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Definition
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Term
| What structures are seen at the level of the BPD? |
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Definition
| Thalmus, Cavum Septum Pellucidum, Falx (ml echo) |
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Term
| Describe how to take a BPD measurement |
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Definition
Measure outer skull (in the near field) to the inner skull (in the far field) at the widest part of the head (through the thalmus).
Line of measurement should be perpendicular to the midline echo (falx) |
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Term
| The abdominal circumference is useful in assessing fetal growth because ____________________________________ |
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Definition
| It is the main storage for glucose and is very sensitive to growth disturbances. |
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Term
| How do you measure the femur length? |
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Definition
Measurement is taken from the greater trochanter to the external condyle. Include only ossified diaphysis, exclude femoral head.
Ends of femur should be distinct and blunt.
Measure the femur that is most anterior. |
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Term
| What "pitfalls" does the sonographer need to be aware of when measuring a correct femur lenght? |
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Definition
Over estimation occurs by measuring the femoral head or distal femoral epiphysis
Under estimation can result from incorrect orientation and not obtaining the full length of the bone |
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Term
| The cephalic index will be out of normal range of the head is too _______ or too ________. |
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Definition
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Term
| The estimated fetal weight is only an _______ of actual weight and can be in error of plus or minus ________ lbs. or 10%. |
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Definition
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Term
| Why would a sonograher place the patient in the Trendelenburg position? |
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Definition
| To encourage the fetal head to move out of the maternal pelvis. |
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Term
| Where is cerebral spinal fluid produced? |
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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
| Tells how the pregnancy ended |
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Definition
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Term
| She's never been pregnant |
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Definition
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Term
| A society of ultrasound professionals |
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Definition
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Term
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Definition
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Term
| An average of all measurements in grams |
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Definition
| EFW (estimated fetal weight) |
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Term
| A list of required documentation |
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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
| A baby born before 38 weeks |
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Definition
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Term
| lowered blood pressure due to a heavy uterus |
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Definition
| supine hypovolemic syndrome |
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Term
| 13 week period of pregnancy |
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Definition
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Term
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Definition
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Term
| ending date for fetal encarceration |
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Definition
| EDC (estimated date of conception) |
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Term
| She's been pregnant, but not delivered |
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Definition
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