OB/Gyn Flashcards
vulvar lesions that resolve with addition of trichloroacetic acid are likely due to…
HPV genital warts (condyloma acuminata)
how do you manage a molar pregnancy
evacuate the uterus (D&C), CXR, give MTX or dactinomycin for malignant disease
low-level homogenous internal echos in a cystic mass of a patient with dyspareunia, infertility and regular cycles is likely
endometriosis; don’t be fooled by the regular cycles, low-level homogenous internal echos on US suggest endometrioma
what is the best way to prevent transmission of genital herpes
CONSISTENT condom use (even when lesions are not present)
how do epidurals sometimes cause maternal hypotension
blocking of sympathetic nerve fibers leads to peripheral vasodilation, which decreases venous return
a patient with persistent cough productive of scant blood following a URI, with normal CXR should be treated with what
supportive care; post-URI bronchitis is self-limited and not dangerous, no further workup needed
when is fetal fibronectin used
to determine if a woman is going into preterm labor when the presentation is equivocal
when is progesterone used in a pregnant woman
to prophylax against preterm labor in a woman with a history of preterm labor; given at 16-36 weeks
when are non-stress tests normally initiated
32-34 weeks; unless there is a decrease in fetal movement to indicate earlier screening
what complications are commonly seen in babies who are small for gestational age
hypoxia (and resultant polycythemia), hypothermia, hypoglycemia, meconium aspiration (due to stress), hypocalcemia
list all the different screening methods for aneuploidy with their associated gestational age ranges
1st trimester combined test (PAPP, b-hCG, nuchal translucency): 9-13 weeks 2nd trimester quad: 15-20 weeks CVS: 10-13 weeks amniocentesis: 15-20 weeks 2nd trimester US: 18-20 weeks cell free DNA: after 10 weeks
define arrest of labor in the first stage
cervix 6cm or more, ruptured membranes and either:
-4 or more hours without change and adequate CTXs
or
-6 or more hours without change and inadequate CTXs
what is tachysystole
abnormal irregular and frequent contractions that can impair bloodflow and hurt the baby (beware of putting mothers on oxytocin who already have adequate contractions for this reason)
retraction of fetal station is alarming for
uterine rupture
up until what point can you do a medical abortion rather than D&C
until 7 weeks