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OBGYN, PSYCH, PEDS > OB 3 > Flashcards

OB 3 Flashcards

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1
Q

If pt has allergy to penicillin, what do you give for GBS tx?

A

Cefazolin- (in syphillis, pt with penicillin allergy is tx with doxycycline UNLESS the pt is PREGNANT, in which case you desensitize)

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2
Q

What are the infants of mothers with Graves disease at risk of?

A

Thyrotoxicosis - TSH receptor antibodies can cross the placenta, leads to baby who is irritable, tachycardic, poor weight gain. sx mgmt with methimazole and BB

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3
Q

Risk factors for lactational mastitis

A

breast pumping, poor latch, infrequent feedings, nipple excoriations, rapid weaning from breastfeeding

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4
Q

what do early decelerations look like and what do they reflect

A

uniform, shallow decelerations with gradual onset that occur symmetrically with contractions; benign, caused by fetal head compression, which leads to physiologic vagal response

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5
Q

best way to reduce maternal fetal HIV transmission

A

maternal ART during pregnancy and neonatal zidovudine

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6
Q

can wernicke encephalopathy be a complication of HG in pregnancy?

A

yes - can precipitate thiamine deficiency (encephalopathy, oculomotor dysfunction, gait ataxia)

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7
Q

causes of hyperandrogenism in pregnancy

A

new acne and hair patterns - may be due to mom (ovarian masses) or fetus (placental aromatase deficiency; expectant mgmg as should resolve with delivery)

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8
Q

abdominal and/or back pain, fetal HR abnormalities, variable amount of vaginal bleeding, HTN in pregnancy

A

abruptio placentae - puts pt at risk of hypovolemic shock and DIC

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9
Q

two painful genital ulcers

A

HSV and H Ducreyi (chancroid)

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10
Q

granulosa cell ovarian tumor presentation

A

large ovarian mass, postmenopausal bleeding

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11
Q

dyspareunia, dysmenorrhea, chronic pelvic pain, infertility, dyschezia

A

endometriosis

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12
Q

endometrioma US appearance

A

homogenous cystic appearance

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13
Q

evaluation of atypical glandular cells on pap

A

colposcopy, endocervical curettage, endometrial biopsy

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14
Q

threshold of endometrial thickness that requires endometrial biopsy for evaluation of post-menopausal bleeding

A

> 4 mm

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15
Q

what female parts are missing in mullerian agenesis

A

absent uterus, cervix, and upper 1/3 of the vagina (ovaries and external female anatomy are still there)

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16
Q

when can the first trimester screen be done

A

9-13 weeks

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17
Q

you have an abnormal first trimester screen, what diagnostic tests do you follow-up with?

A

amniocentesis (second trimester) or chorionic villus sampling (first trimester - 10 to 13 wks)

18
Q

Which test can be used to diagnose aneuploidy at 15 weeks?

A

amniocentesis, available > 13 weeks

19
Q

fetal complications of pre-eclampsia

A

oligohydraminos, fetal growth restriction due to uteroplacental insufficiency

20
Q

how is protraction of the active phase of labor qualified?

A

< 1 cm cervical change in 2 hrs - causes are CPD, inadequate contractions (measure MVU > 200 in 10 minute), maternal obesity, fetal malposition (occiput posterior)

21
Q

complications of abruptio placentae

A

DIC and hypovolemic shock

22
Q

weakened pelvic floor muscles, urethral hypermobility, reduced bladder support

A

stress urinary incontinence

23
Q

continuous dribbling of urine and markedly elevated postvoid residual volume (> 150 ml)

A

bladder outlet obstruction or a neurogenic bladder

24
Q

what is a normal PVRV?

A

< 150 ml

25
Q

how does PCOS lead to infertility?

A

failure of follicular maturation

26
Q

role of hCG

A

secreted by syncytiothrophoblast and responsible from preservation of corpus luteum in early pregnancy

27
Q

this hormone inhibits uterine contractions and prepares the endometrium for implantation of fertilized ovum

A

progesterone

28
Q

this hormone is responsible for induction of prolactin production

A

estrogen

29
Q

should women > 35 be offered cfDNA testing to evaluate fetal aneuploidy

A

yes

30
Q

polymicrobial infection with fever > 24 hrs pp, purulent lochia, uterine tenderness

A

pp endometritis; tx with clinda + gentamicin

31
Q

emesis with full thickness perforation and associated pneumomediastinum

A

esophageal perforation (boerhaave); mallory weiss would be mucosal tear with hematemesis

32
Q

erythematous cervix with punctuate lesions (strawberry cervix), frothy green discharge

A

Trichomonads - microscopy would show motile organisms; treat pt and partner with metronidazole

33
Q

evaluation of secondary amennorhea

A

serum prolactin, TSH, FSH, pregnancy test

34
Q

chlamydia tx

A

azithromycin or doxycycline

35
Q

gonorrhea tx

A

ceftriaxone + azithromycin

36
Q

meds for pt in labor < 32 weeks

A

tocolytic (stop contractions) + corticosteroid (fetal lung matuiry) + mag sulfate (fetal neuoprotection)

37
Q

evaluation of a palpated adnexal mass

A

US and CA-125

38
Q

sinusoidal fetal heart tracing

A

fetal anemia

39
Q

can obesity disrupt the HPO axis and result in anovulation and abnormal uterine bleeding?

A

yep

40
Q

can vulvar lichen sclerosus occur in prepubertal girls with pruritus and thin, white lesions of the vulva and perianal region

A

yes

OBGYN, PSYCH, PEDS (8 decks)

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