Ob/Gyn - UWorld Flashcards Preview

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Flashcards in Ob/Gyn - UWorld Deck (78)
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1

What should be avoided in patients with placental previa?

Coitus and requires pelvic rest

2

What is the cause of post epidural HoTN?

Vasodilation and venous pooling

3

How can you diagnose ovarian torsion?

Large edemamotous ovaries with decreases blood flow on ultrasound and Doppler velicometry studies

4

Complications from HTN during pregnancy?

Preterm labor and placental dysfunction

5

What is the most common cause of post partum hemorrhage?

Uterine Atony, resulting in decreased expulsion of contents and decreased myometrial contractions which leads to continued bleeding

6

What leads to the highest risk for clear cell adenocarcinoma of the vagina?

DES exposure in utero

7

What is the best first trimester test to rule out Down syndrome in pregnant. older women?

Cell free fetal DNA

8

Diagnostic criteria for preeclampsia?

New onset HTN at >20 wk gestation
AND proteinuria (prot/cr ratio >=0.3) OR s/s of end organ damage

9

When should anti-HTN meds be given in PreE?

BP > or = 160/110

10

What are the risks of OCP therapy?

Venous thromboembolism, HTN, Hepatic adenoma, Rarely - stroke/MI

11

What is the appearance and progression of a syphilitic chancre?

Painless papule at site of inoculation -> ulceration occurs forming chancre (punched out base, raised indurated margins)

12

Which pathological marker in breast adenocarcinoma is most important for future management?

Oncogene amplication by FISH to identify HER2 overexpression

13

What should be done for a laboring patient with ROM whose preterm fetus shows bilateral renal agenesis?

Allow normal delivery because fetus will not be compatible with life (associated pulmonary hypoplasia)

14

What are late term and post term pregnancies at risk for?

Uteroplacental insufficiency

15

Which premenopausal patients with abnormal uterine bleeding require endometrial biopsy?

Any age >45, those with cancer risk factors like diabetes, obesity, unopposed estrogen tx, PCOS

16

What is the most effective post coital contraceptive?

Copper IUD (but make sure no PID hx)

17

What is eczematous rash on the breast suggestive of?

Mammary Paget's disease, which is often associated with underlying adenocarcinoma

18

What are the features of aromatase deficiency?

Normal internal genitalia, ambiguous external genitalia, clitoral hyper trophy, high FSH/LH ratio and low estrogen

19

What is Klumpke's palsy?

Complication of shoulder dystocia resulting from excessive traction on C8 and T1

Can cause claw hand, hand paralysis, and horner's syndrome

20

What is the treatment of intramniotic infection?

Oxytocin to hasten delivery and antipyretics to control maternal fever

21

What is the treatment of intramniotic infection?

Oxytocin to hasten delivery and antipyretics to control maternal fever

22

What is the main role of beta hCG in pregnancy?

Maintains the corpus luteum to preserve progesterone secretion until placenta can produce on its own.

23

What provides the best coverage for polymicrobial infections like endometritis?

Clindamycin and gentamicin

24

When should all women have oral glucose tolerance test?

24-28 weeks, earlier if risk factors present

25

What should be done in postpartum patients who are unable to voide urine after a few attempts at intermittent catheterization?

Insert indwelling catheter to to decompress bladder and regain detrusor muscle function

26

What may be the cause of anovulation in a woman with normal LH/FSH levels?

morbid obesity

27

What is the effect of premature ovarian failure on LH and FSH levels?

Elevated levels with FSH >40 and LH > 25

28

What are the 3 key features of endometriosis?

3 D's - dyspareunia, dysmenorrhia, and dyschezia

29

What are risk factors to ovarian torsion?

pregnancy, ovulation induction, ovarian masses (especially >=5 cm

30

What causes late deceleration in FHR?

Uteroplacental insufficiency