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step 2 > OB > Flashcards

OB Flashcards

1
Q

excessive/inadequate preg weight gain?

A

excessive: > 1.g kg/mo
inadequate:

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2
Q

how much wt gain if underweight and preg?

A

12-18kg

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3
Q

how much wt gain if normal wt and preg?

A

11-16kg

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4
Q

how much wt gain if overwt and preg?

A

7-11 kg

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5
Q

how much wt gain if obese and preg?

A

7 kg

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6
Q

folic acid supplementation amts in preg?

A

0.4 mg/d if no hx of NTD

4 mg/d if hx

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7
Q

recommended supplementation in preg?

A

folic acid
iron
calcium
vit d and B12 if vegetarian

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8
Q

renal flow change in preg?

A

increases 25-50%

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9
Q

GFR change in preg?

A

increases to 50 and then plateaus

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10
Q

HR change in preg?

A

increases 20%

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11
Q

BP change in preg

A

decreases 10% by 34wks GA, then back to normal

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12
Q

stroke vol change in preg?

A

increases until 19wks, then plateaus

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13
Q

cardiac output change in preg?

A

rapid rise by 20% then gradual 10% rise by 28 wks

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14
Q

pulm changes in preg?

A

tidal volume increases 30-40%
minute volume increases 40%
expiratory reserve decreases

RR and VC unchanged

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15
Q

hematologic changes in preg?

A

increase in blood volume by 50% (2nd tri)
hematocrit decreases
fibrinogen increases

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16
Q

what prenatal testing at first visit?

A

CBC, Rg, type and screen
UA and cx, rubella, HBV, RPR/VDRL, gonorrhea and chlamydia, PPD, HIV, Pap

HbA1c and sickle testing if needed
genetic screening if indicated

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17
Q

when do triple screen?

A

9-14 weeks

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18
Q

what’s on triple screen?

A

PAPP-A
nuchal translucency
bHCG

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19
Q

when do quad screen?

A

15-22 weeks

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20
Q

what’s on quad screen?

A

MSAFP
estriol
HCG
inhibin A

21
Q

when do anatomic screen?

A

18-20 weeks

22
Q

when do GDM screen?

A

24-28 weeks

23
Q

when do RhoGAM for Rh- women?

A

28-30 weeks

24
Q

when do GBS screen?

A

35-40 weeks

25
Q

when to repeat G/C, HIV, RPR tests in preg screening?

A

34-40 weeks if high risk

26
Q

quad screening in Downs?

A

MSAFP and estriol DECREASED

inhibin and HCG INCREASED

27
Q

quad screening in trisomy 18?

A

everything down

28
Q

timing of CVS vs amniocentesis?

A

CVS: 10-12 weeks
amnio: 15-20 weeks

29
Q

risks of CVS?

A

1% risk of fetal loss

limb defects if done at

30
Q

risks of amniocentesis?

A

PROM
chorioamnionitis
fetal-maternal hemorrhage

31
Q

indications for amnio?

A

> 35 yo at delivery
abnl quad screen
Rh-sensitized pregnancy
L:S or phosphatidylglycerol detection

32
Q

when do CS for HIV+ preg?

A

VL > 1000

33
Q

toxo ppx in preg?

A

spiramycin in 3rd tri

34
Q

marked variability in FHR?

A

(> 25 bpm)

fetal hypoxia

35
Q

sinusoidal variability in FHR?

A

serious fetal anemia

36
Q

early decels mean?

A

head compression

37
Q

late decels mean?

A

uteroplacental insufficiency

38
Q

variable decels mean?

A

cord compression

39
Q

how many accels in normal NST?

A

> 2

40
Q

positive oral glucose challenge test?

A

> 140

–> then get 3 hr OGTT

41
Q

tx HTN in preg?

A

no ACEi or diuretics (uterine ischemia)

–> methyldopa, labetalol, nifedipine

42
Q

picket fence fever post partum?

A

septic pelvic thrombophlebitis

dx: BCx and CT
tx: ABx and anticoag

43
Q

marker of epithelial ovarian tumor?

A

CA-125

44
Q

marker of endodermal sinus ovarian tumor?

A

AFP

45
Q

marker of embryonal carcinoma ovarian tumor?

A

AFP, hCG

46
Q

marker of choriocarcinoma?

A

hCG

47
Q

marker of dysgerminoma ovarian tumor?

A

hCG

48
Q

marker of granulosa cell ovarian tumor?

A

inhibin

step 2 (8 decks)

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