Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

1Current > 1MTB step 3 OB > Flashcards

1MTB step 3 OB Flashcards

1
Q

Transvaginal and Abdominal ultrasound bHCG and wks

A

Vaginal sonogram at 5 weeks gestation when serum ß-hCG >

1,500 mIU

Abdominal sonogram at 6 weeks gestation when ß-hCG >

6,500 mIU

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

fetal heart motion time

A

5-6 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

fetal heart sounds time

A

8-10 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When can fetal motion be felt by doctor

A

20 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

first trimester tests

A

A.Routine tests
1) Anemia/ blood disorders: CBC

2) Blood type, Rh, and antibody: Type and screen, Direct & indirect Coombs
3) GU Screening: Cervical PAP smear, UA, UCx
4) Immunization: Rubella Ab, Hep B surface antigen

5) Infections:
-Chlamydia/Gonorrhea: Cervical Cx, Gram stain
-HIV: ELISA
-Syphilis: Screen: VDRL or RPR
Confirmatory tests: FTA or MHA-TP

B. Optional Tests

1) TB: PPD
2) Trisomy 21: B-hCG, PAPPA-A, fetal nuchal translucency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

low hemoglobin

A

MCC is fe def anemia worry if < 10

check MCV : low = fe high =folate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Who gets Rhogam

A

1) At 28 weeks.
2) Within 72 hours of delivery.
3) After miscarriage or abortion.
4) During amniocentesis or CVS.
5) With heavy vaginal bleeding.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

UTI

A

asymptomatic bacturia must treat nitrofurantoin <30 weeks cephalosporins amoxicillin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Infection: Chlamydia/ Gonorrhea

  1. Tests
  2. Dx significance
  3. Next step in Mgmt
A
  1. Test: Cervical Culture
  2. Dx Significance:
    a. Gram stain
    b. Chlamydia and gonorrhea culture
    c. Also treat Trichomonas vaginalis (can cause premature labor).
  3. Next Step in Mx:
    a. (+) Chlamydia/gonorrhea
    - PO azithromycin + IM ceftriaxone (TOC)
    - Alternative: PO amoxicillin
    b. (+) Bacterial vaginitis
    - PO metronidazole or clindamycin
    c. (+) Trichomonas vaginalis
    - PO metronidazole
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Bacterial vaginosis

A

metronidazole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

trichomonas vag

A

metronidazole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

+ ppd ? check CXR and tx

A

+ ppd - cxr : INH + B6 x 9 months + ppd + cxr + sputum: triple therapy no streptomycin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

trisomy 21 screen in first trimestery

A

who: > 35 y/o, history of prior trisomy 21 chorionic vili sampling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

2nd trimester screen

A
  1. Triple/Quad screen:Screen
    15-20 weeks:

MS-AFP, B-hCG, Estriol, Inhibin A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

inc AFP causes

A

check US for more accurate gestational age 1. wrong age 2. multiparity 3. NTD or abd wall defect 4. placental bleeding 5. renal disease 6. sacrococcygeal teratoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

down syndromme triple screen

A

dec AFP dec estriol inc HCG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Trisomy 18 triple screen

A

dec AFP dec estriol dec HCG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

inc AFP what to do next?

A

amniocentesis for AFP + acetylcholineresterase activity (NTD)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

dec AFP

A

amniocentesis for karyotyping

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

third trimester screen (>24 weeks)

A

24-28 wks:

  • Anemia: CBC
  • Diabetes: 1hr 50 g OGTT –> 3 hr 100g OGTT

28 wks:
-Atypical Ab (Rh): Indirect Coombs

35-37 wks:
-GBS screening: Vaginal & Rectal Cx for GBS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

DM screen:

A
  1. 1 hour 50 g test + > 140 2. 3 hour gluc tolerance test fbs >125 1 hr >180 2 hr >155 3 hr >140 if 1+ then gluc intolerance if 2+ then DM
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

NAME?

A

penicillin G intrapartum clinda or erythro if pen allergic

23
Q

N/V during preg

A

1) zofran 2) reglan 3) B6 4) doxyalamine 5) promethazine

24
Q
A
25
Q

steps third trimester bleeding

A

1) vitals, external fetal monitor, start IVF, 2) CBC, DIC, type and cross, OB US to r/o previa 3) give blood, foley, vaginal exam, delivery if >36 wks and in jeopardy 4) NO digital or speculum until r/o previa

26
Q

placental abruptio

A

painful bleeding RF: cocaine, trauma, HTN, complication : DIC TX: <34 weeks and stable –> monitor > 34 weeks –>> deliver unstable –>> deliver

27
Q

placental previa

A

painless bleeding RF: trauma, previous previa, fibroids, age Complication: placental accreta TX: <34 weeks and stable –> monitor > 36 weeks –>> vaginal deliver unstable –>> deliver

28
Q

vasa previa

A

painless bleeding + fetal bradycardia + rupture of membranes NO speculum exams complications: fetal exsanguination Tx: c section

29
Q

uterine rupture

A

abd pain + vaginal bleeding + stop of contractions + fetus rescends + loss of fetal HR tx: immediate delivery

30
Q

tx for GBS

A

intrapartum: IV amp pen allergic: cefazolin, clinda, erythro

31
Q

indication tx GBS

A

previous preg neonatal GBS sepsis + anytime during preg preterm, rupture >18 hrs, maternal fever,

32
Q

no tx GBS

A

planned C-section with no ROM culture + prev preg

33
Q

toxo congenital

A

1) hydrocephalus 2) intracranial calcifications 3) chorioretinitis

34
Q

mom with toxo treatment

A

sulfadiazine + pyramethamine

35
Q

varicella when most infectious tx:

A

rash 2 days before to 5 days afterwards baby: IVIG + IV acyclovir mom: acyclovir + IVIG

36
Q

varicella congenital

A

1) rash 2) chorioretinitis 3) cataracts 4) microcephaly

37
Q

congenital rubella

A

1) blueberry muffin rash 2) cataracts 3) HSM 4) heart: PDA 5) congenital deafness + cataracts

38
Q

why does gestational DM develop

A

human placental lactogen inc insulin resistance induces lipolysis

39
Q

how to measure gestational age in 1sst trimester

A

transvaginal u/s for crown rump length

40
Q

HSV 1. when to suspect in mom

A
  1. malaise, genital lesions, fever
41
Q

HSV congenital

A

1) meningoencephalitis 2) PNA 3) hepatosplenomegaly 4) petechial rash 5) jaundice

42
Q

HSV diagnosis

A

HSV PCR or culture

43
Q

HSV treatment

A

if genital lesions are suspected schedule C section treat mom with IV acyclovir

44
Q

HIV treatment

A

continue ARTs during preg regardless of viral load till 6 weeks after Zidovudine in one of hte meds do triple therapy Elective C section of viral load > 1000 DO NOT breastfeed

45
Q

HIV tx newborn

A

zidovudine for 6 wks

46
Q

early congenital syphilis

A

1) hydrops fetalis 2) maculopapular rash on palms and soles 3) anemia, thrombocytopenia 4) large placenta

47
Q

late congenital syphilis

A

1) hutchinsons teeth 2) mulberry molars 3) saber shins 4) saddle nose 5) deafness

48
Q

syphilis tx

A

benzathine pen x 1

49
Q

HBV infectivity

A

check hbe Ag

50
Q

treatment ofr HB s Ag + mom

A

IVIG + Hep vaccine to mom and baby

51
Q

Chronic HTN

A

hx of elevated BP > 140/90 before preg or before 20 weeks gestation

52
Q

gestational HTN

A

after 20 weeks and returns to normal 6 weeks after BP > 140/90

53
Q

Cause of Anemia in pregnancy

A

Anemia in pregnancy is caused by increased levels of hepcidin, which inhibits iron transport. Pregnancy increases iron demand, but hepcidin prevents absorption.

1Current (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions