4/1/13 Flashcards
In which tissues is Raloxifene an antagonist of estrogen receptors?
breast, vagina
In whch tissues is raloxifene an agonist of estrogen receptors?
bone
What is the single most common cause of postpartum hemorrhage?
uterine atony
According to UWorld, what Rh Ab titer indicates that a mother is already sensitized and RhoGAM will do no good?
> or= 1:6
Which α-, β-blocker is used for htn in preg?
labetalol
On which tissues does tamoxifen have an agonist effect on estrogen receptors?
bone, endometrium (partial agonist)
What is the best Tx for SCC of the vagina that is Stage I or II and less than 2 cm in size?
surgical resection
What is the best Tx for vaginal SCC that is Stage I or II and greater than 2 cm?
radiation
What should be done to Tx vaginal SCC that is Stage III or IV or greater than 4 cm?
combo chemo
Marked pruritis and increased total bile acids in the 2nd or 3rd trimester of preg should make you suspect what (when viral hepatits is excluded)?
intrahepatic cholestasis of preg
What must a patient avoid during metronidazole therapy?
alcohol (disulfiram-like rxn)
What is the most accurate way of estimating fetal weight by US in cases of suspected fetal growth restriction (FGR)?
abdominal circumference
If a young woman presents with a breast lump and no obvious signs of malignancy, what can be done to assess if benign before US or FNA?
reassess after menstrual period
What is the differential (2) for htn before 20 wks of gestation?
chronic htn or molar preg
What ominous fetal heart rate pattern is characteristic of vasa previa?
sinusoidal
What symptoms usually precede uterine rupture?
hyperventilation, agitation, and tachycardia
Define intrauterine fetal demise (IUFD)?
fetal death after 20 wks but before labor
What happens to hCG levels following IUFD?
they remain elevated (ongoing placental production)
_______ can result from infection of the retained products of conception in the case of missed, incomplete, inevitable, or elective abortions.
Septic abortion
All pts w/ secondary amenorrhea should receive what 3 tests?
preg test, prolactin, FSH
Why is FSH higher than LH in premature ovarian failure?
slower clearance
What is the primary goal of colposcopy during pregnancy?
exclude invasive cancer
What is the single most prevalent preventable cause of IUGR (FGR) in the U.S.?
smoking
