Obstetrics Flashcards

1
Q

What can cause gastroschesis in an infant?

A

NSAIDs

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2
Q

What classifies as preterm?

A

25-37 weeks

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3
Q

What is the first sign of pregnancy seen on PE?

A

Goodell sign: softening of the cervix at first 4 weeks

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4
Q

Ladin sign

A

softening of the midline of the uterus (6 weeks)

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5
Q

Chadwick sign

A

Blue discoloration of the vagina and cervix (6-8 weeks)

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6
Q

When can you see a gestational sac on US?

A

5 weeks

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7
Q

What does an elevated AFP signify in screening

A

Neural tube defect
Ventral wall defect
Multiple gestations

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8
Q

When can a first trimester combined test be done

A

9-13 weeks

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9
Q

When can cell free fetal DNA be done

A

> 10 weeks

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10
Q

When can CVS be done?

A

10-13 weeks

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11
Q

When can quad screen be done?

A

15-22 weeks

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12
Q

When can amnio be done?

A

15-20 weeks

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13
Q

When can 2nd trimester US be done?

A

18-20 weeks

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14
Q

What abx are given for septic abortion?

A

Levofloxacin and MTZ

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15
Q

Treatment of preterm labor

A

Baby at 34-36 weeks: Betamethasone (steroids) + PCN if GBS +

Baby at 32-33 weeks: betamethasone + tocolytics + PCN

Baby at <32 weeks: betamethasone + totcolytics + Mg + PCN

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16
Q

When are tocolytics contraindicated?

A

If cervix is dilated >4 cm

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17
Q

Work up and treatment for ectopic pregnancy

A

1) pregnancy test + TVUS
2) If ruptured or pt is hemodynamically unstable: Laparoscopy
3) If not ruptured/patient is stable and no medical contraindications: methotrexate

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18
Q

Tocolytics + SE

A

Mg: flushing, headaches, diplopia, hyporeflexia

CCB: headache, flushing, dizziness

Terbutaline: tachycardia, hypotension; CONTRAINDICATED IN DM

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19
Q

Treatment for endometritis/chorioamnionitis

A

amp + gent + clinda

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20
Q

Painless 3rd trimester bleeding

A

Placenta previa
Vasa previa
(previa = painless)

21
Q

Risk factors for placental abruption

A

Preeclampsia/eclampsia

Cocaine, smoking

22
Q

Treatment for uterine rupture

A

Laparotomy + delivery of fetus (no c-section)

23
Q

Rho workup for SENSITIZED mother with titers >1:16

A

If fetus is Rh + do US dopple to check for flow; if high flow do PUBS with intrauterine transfusion if baby is <32 weeks; if baby >32 weeks, deliver

24
Q

When to screen for gestational DM

A

24-28 weeks

25
Q

Gestational DM screening levels

A

1 hour GTT: if > 140 do 3 hour GTT of which 2/4 must be positive:

Fasting > 90
1 hour > 180
2 hour > 155
3 hour > 140

26
Q

when to check Hb in pregnancy

A

Initial visit and 28 weeks

27
Q

Which anti epileptic is safe in pregnancy

A

Levetiracetam or lamotrigine

28
Q

What can you give if epileptic pregnant patient has a seizure?

A

Phenobarbital

29
Q

HTN in pregnancy

A

Chronic: HTN found < 20 weeks (tx: methyldopa)

Gestational HTN: HTN at > 20 weeks with NO proteinuria or edema

Pre-eclampsia w/o severe features: elevated BP + proteinuria (< +3 on dipstick) but no alarm sx

Pre eclampsia with severe features: elevated BP + massive proteinuria (+3) or alarm sx

treatment for pregnancy associated HTN: labetalol or hydralazine (hydralazine for BP >160/110)

30
Q

Acute fatty liver of pregnancy

A

increased PT and PTT, hypoglycemia, encephalopathy

increased bilirubin and normal BP

31
Q

Components of BPP

A
NST
Fetal chest expansions
Fetal movements
Fetal muscle tone
AFI
32
Q

Early decels

A

Head compression

33
Q

Variable decels

A

Cord compression

34
Q

Late decels

A

Uteroplacental insufficiency

35
Q

Optimal fetal occiput position

A

OA

36
Q

Stages of labor

A

Stage 1- Latent: 0-6 cm dilation
Stage 1- Active: 6-10 cm dilation
Stage 2: delivery of fetus
Stage 3: delivery of placenta

37
Q

Fetal positioning during labor/delivery

A

Every Darn Fetus is Extremely Eager to Exit

Engagement: descent of biparietal diameter of fetal head
Descent
Flexion: permits smallest diameter of fetal head to pass through pelvis
Internal rotation: fetus reaches ischial spines
Extension: Head in OA position
External Rotation: Occiput and spine are in the same plane
Expulsion (anterior shoulder => posterior shoulder)

38
Q

Oxytocin overdose and treatment

A

OD: hyponatremia, hypotension, tonic clonic seizure

Tx: hypertonic saline

39
Q

Treatment for prolonged latent phase of labor

A

Rest, hydration, prostaglandins or oxytocin or amniotomy

40
Q

Treatment for prolonged/arrested active phase of labor

A

Oxytocin or c/s depending on problem

41
Q

When can you do external cephalic version

A

After 36 weeks

42
Q

Cardiac changes in pregnancy

A

Increased plasma volume
Increased CO, HR, and preload
Decreased SVR

43
Q

Pulmonary changes in pregnancy

A

Increased minute ventilation and TV

Decreased FRC

44
Q

TORCH: Cataracts, deafness, congenital heart defects (PDA)

A

Rubella

45
Q

TORCH: Jaundice, hearing loss, HSM, periventricular calcifications

A

CMV

46
Q

TORCH: chorioretinitis, hydrocephalus, ring enhancing lesions

A

Toxo

47
Q

cough, coryza, conjunctivitis

A

Rubeola

48
Q

Treatment for hot flashes

A

SSRIs (venlafaxine)

49
Q

common finding associated with PPROM

A

oligohydraminos