Shared Flashcard Set

Details

Normal and Abnormal 1st Trimester Test 4
Ob/Gyn Test 4
54
Other
Professional
08/01/2009

Additional Other Flashcards

 


 

Cards

Term
Fertilization takes place in what anatomic site?
Definition
Fallopian Tube
Term
The single cell that forms as a result of the union of the sperm and ovum is the __________.
Definition
Zygote
Term
The term Decidua denotes the transformed endometrium of pregnancy.  The different regions of the decidue are divided layer.  Name the three regions.
Definition

1. decidual basalis

2. decidua parietalis (vera)

3. decidua capsularis

Term
The decidual layer that closes over the implanted blastocyst is referred to as the ____________.
Definition
Decidual Capsularis
Term
The decidual layer that ultimately develops into the placenta is the _________.
Definition
Decidual Basalis
Term
The primary source of progesterone during the first trimester of pregnancy is secreted by what structure?
Definition
Corpus Luteum
Term
The trophoblast of an early first trimester pregnancy produces _________.
Definition
Human Chorionic Gonadotropin (HCG)
Term
Normal values for BHCG levels for visualization of a gestational sac with transvaginal sonography can be as low as _________.
Definition
500
Term
Where is the yolk sac located?
Definition
Outside the amnion but inside the chorion.
Term
Describe the procedure for a gestational sac measurement.
Definition

1. Measure in 3 planar sections

2. Measure the fluid in the sac only

3. Calculate MSD by dividing the sum of the sagittal; AP and Trv diameter by 3.

Term
Menstrual age is interchangeable with what other term?
Definition
Gestational Age
Term
At what weeks gestation is it normal to visualize a chorionic and amnioc seperation?
Definition
Up to 16 weeks
Term
The demonstration of Midgug herniation seen after 11 weeks is considered________.
Definition
Abnormal
Term
The most accurate method of dating a gestion is the __________.
Definition
CRL
Term
The cystic structure seen in the embryonic cranium of a 10 week fetus is considered to be _________?
Definition

Normal

       * Normally seen between 8-11 weeks.

Term
Since a heartbeat should be visualized in a 6 week fetal pole, sonography can "diagnose" an _________ _________ as early as 6 weeks.
Definition
embryonic demise
Term
With a spontaneous abortion three months ago, endovaginal sonographic findings include the presence of a well-circumscribed fluid collection within the uterus that has a mean sac diameter of 10 mm.  A small spherical structure is seen within this fluid  collection.  The uterus is slightley enlarged, yet there are no other findings.  What is the most likely diagnosis?
Definition
Normal IntraUterine Pregnancy at 5 weeks
Term
Sonographic demonstration of the "double decidual" sac sign on an early first trimester pregnancy ultrasound suggest __________.
Definition
A viable IUP.
Term

Eight months ago, a patient reports to have had a miscarriage.  Since then, her periods have not returned to normal and she has had a mild, brownish baginal discharge.  Her serum hCG levels are less than 5 mIU/mI (negative).

 

Transabdomninal sonography reveals a minimally enlarge uterus with brightly echogenic, endometrial cavity.  Accoustic shadowing can be seen emanating from several areas of this mass.  These findings are strongly suggestive of a(an) ___________.

Definition
Missed abortion.
Term
What percentage of ectopic pregnancies occur in the fallopian tube?
Definition
95%
Term

Describe the sonographic appearance of an ectopic pregnancy.

Definition
  1. Empty uterus
  2. An adnexal gestational sac with a fetal pole and cardiac activity
  3. Irregular or complex adnexal mass.
  4. Thickened endometrium with a pseudo gestational sac.
  5. Fluid in the cul-de-sac
Term
What term describes the chorionic cavity seen in the uterus on ultrasound?
Definition
"gestational sac"
Term
A 22-year-old patient is 9 weeks pregnant by her menstrual history.  She has experienced some vaginal spotting.  The pelvic sonogram reveals an irregular gestational sac that measures 3.2 cm.  No embryo is identified.  This pattern most likely represents a(an) __________.
Definition

Anembryonic pregnancy

or

Blighted ovum

Term
A patient reports her las menstrual period 8 weeks ago.  Her bhCG test is weakly positive, and she is experiencing left lower quadrant pain.  The sonographic images display a prominent endometrial cavity echo pattern, a complex left adnexal mass, and a prominent amount of fluid in the posterior cul-de-sac.  This pattern most likely represents a(an) ____________.
Definition
Ectopic pregnancy
Term
The term ectopic pregnancy describes any pregnancy __________ the endometrial lumen.
Definition
Outside
Term
List locations of ectopic pregnancy.
Definition
Abdominal cavity (Bowel, peritoneum), ovary, fallopian tube, cervix
Term
In an abdominal ectopic pregnancy the placenta is ___________ after the delivery of the fetus?
Definition
Left in the patient
Term

A patient presents with the following information: RLQ pain, light baginal bleeding, postive serum pregnancy test, and a history of PID and tubal ligation.

What condition would you be most suspicious for?

Definition
ectopic pregnancy
Term
Human chorionic gonadotropin (hCG) titers in ectopic pregnancy ________ double every 2 days.
Definition
Will not
Term
A patient presents with a clicical history of brisk vaginal bleeding.  Information provided by the examining physician indicates that she has an enlarged uterus, a palpable large left adnexal mass, and a serum beta hCG of 130,000 mIU/mI, despite the fact that she had a normal vaginal delivery prior to this most recent office visit.  These findings are most suspicious for ______________.
Definition
A malignant form of gestational trophoblastic disease.
Term
What type of cyst is commonly associated with hydatidiform mole?
Definition
Theca lutein cysts
Term
List the types of gestational trophoblastic disease.
Definition
complete mole, partial mole, mole with coexisting fetus, Persistent trophoblastic disease (Invasive, choriocarcinoma)
Term
Another name for an invasive mole is ___________.
Definition
Chorioadenoma destruens
Term
List areas which choriocarcinoma may metastasize.
Definition
Brain, lungs, liver, GI tract, Bone, skin
Term
anembryonic pregnancy
Definition
blighted ovum
Term
Single cell form union of genetic material
Definition
Zygote
Term
Expulsion of intrauterine contents thru dilated cervix
Definition
Abortion
Term
Metastatic molar carcinoma
Definition
choriocarcinoma
Term
First evidence of an IUP
Definition
Gestational Sac
Term
Most accurate way of estimating an EDC by ultrasound
Definition
CRL
Term
Invasive Mole
Definition
Chorioadenoma destruens
Term

Eventually becomes the placental site

 

Definition
Decidual Basalis
Term
Ball of 16 cells
Definition
Morula
Term
Pregnancy hormone in the blood
Definition
bhCG
Term
Pregnancy not in the endometrial cavity
Definition
Ectopic pregnancy
Term
Less than 90 BPM
Definition
Embryonic Brady Cardia
Term
Identified in fetal cranium between 8 and 11 weeks
Definition
Rhombencephalon
Term
Decidua that surrounds the G sac
Definition
capsularis
Term
diffuse, hyperplastic chorionic tissue
Definition
mole
Term
Outside the uterus
Definition
adnexa
Term
Responsible for hematopoeisis and provides nutrients for embryo
Definition
Yolk sac
Term
Placenta is left in the body to resorb
Definition
abdominal ectopic pregnancy
Term
Twin pregnancy with one in the adnexa
Definition
Heterotopic pregnancy
Supporting users have an ad free experience!