OB/Gyn Flashcards

1
Q

What are absolute contraindications to oral contraceptive pills, there are four

A

Pregnancy.
Liver disease
Breast cancer
Breast-feeding at less than six weeks

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2
Q

How many visits to the doctor while pregnant are considered adequate prenatal care?
When is a pregnant woman screened for group B strep

A

Eight visits
Between 36 to 37 6/7 weeks gestation 

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3
Q

If a mother requires in partum, antibiotic prophylaxis for GBS, which three antibiotics can be given? At least how many hours prior to delivery?

A

Penicillin, ampicillin, cefazolin.
At least four hours prior to delivery

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4
Q

What are three scenarios in which you need to give intrapartum antibiotic prophylaxis for GBS?

A

A previous pregnancy where the infant had invasive GBS.
Positive GBS in the urine at any time during this pregnancy regardless of treatment.
Positive reactive vaginal GBS screening culture 36 to 37 6/7 weeks in this pregnancy

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5
Q

If the mother’s GBS status is unknown, which for scenarios require antibiotic prophylaxis

A

Less than 37 week gestation
Rupture of membranes more than 18 hours
Intrapartum fever of greater than or equal to 100.4
Positive intrapartum NAAT testing

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6
Q

Which two scenarios other than just a normal pregnancy is intrapartum antibiotic prophylaxis not indicated?

A

GBS positivity in a previous pregnancy line C-section done with intact membranes

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7
Q

Which four tests should be done in a newborn with concerning signs for GBS infection?
House long should antibiotics be continued if cultures are negative?

A

CBC, blood culture, chest x-ray if there are respiratory symptoms and/or lumbar puncture with CSF culture at high risk.
Stop antibiotics if cultures are negative for 48 hours

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8
Q

Which two antibiotics are good impaired treatments for GBS if it is a suspected, but not confirm?
Which antibiotic should be added on if meningitis is suspected?
If GPS is confirmed which antibiotic should be used.

A

Ampicillin and gentamycin
Extended spectrum cephalosporin like cefotaxime, ceftazidime,cefepime
Penicillin G

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9
Q

GBS infection in a newborn is considered early onset at what time.? Late onset at what time.?

A

Early is from birth to day of life six
Late is after day of life six

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10
Q

In late onset, GBS disease, bacteremia, UTI are treated with which antibiotics?
How was meningitis treated?
How was cellulitis/adenitis treated?

A

 ampicillin or vancomycin plus gentamycin or cefotaxime
Ampicillin or vancomycin plus gentamycin plus cefotaxime
Nafcillin or vancomycin plus gentamycin or cefotaxime

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11
Q

Is gestational diabetes associated with gestational abnormalities?
When is AFP screening offered?
If it is elevated, what is usually cause?

A

No
At 16 weeks gestation.
Neural tube defect

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12
Q

If AFP is elevated which test should be ordered?
If this test is negative, which test should be ordered next?
In addition to neural tube defects, elevated AFP is also seen in which other situations.

A

Fetal ultrasound.
Amniocentesis to get amniotic AFP levels.
Gastroschisis, other abdominal wall defects, fetal demise, renal, anomalies, wrong dates, wrong number of kids

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13
Q

Low serum AFP is associated with which syndrome?
What does chorionic villous sampling test?
Around what time of gestation is it offered?

A

Down syndrome
Test, fetal karyotype, think of it as chromosome villous sampling.
12 weeks

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14
Q

Neural tube defects are likely due to deficiency and what vitamin question?
During what time of the pregnancy is amniocentesis offered? What does it look for?
What is the only indication for amniocentesis in the third trimester?

A

Folic acid
15–18 weeks, looks for identifiable, genetic issues.
To assess fetal lung maturity

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15
Q

In the triple screen/quadruple screen in the second trimester, what pattern of AFP, unconjugated estriol,hCG, and inhibit A seen in down syndrome?

A

Low AFP, low estriol, high hCG, high inhibin A

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16
Q

And pregnancy, what does a non-stress test measure and what is it used to measure?
For what complaint of the mother would you get a non-stress test?
What is a good result of this test?

A

It measures fetal heart rate in response to fetal movement, used to measure integrity of the fetal nervous system.
Mom says her baby is not moving.
Reactive is good

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17
Q

In a non-stress test if it is non-reactive what test should be done?
what test is involved in a biophysical profile?
What does it check, five things

A

A biophysical profile
An ultrasound breathing, tone, movement, amniotic, fluid, heart rate

18
Q

In pregnancy, what does a stress test assess?
What is it assessing the fetus for?

A

The fetal response to contractions.
Assesses the fetus for uteroplacental insufficiency and tolerance of labor 

19
Q

How much folic acid should a woman of childbearing age consume daily?
If a woman wants to get pregnant again and has had a baby with a neural tube defect in the past, how much should she take?

A

0.4 mg per day.
4 mg per day starting one month before trying to get pregnant

20
Q

Which two tests can be used to test fetal lung maturity?

A

Phosphatidyl glycerol, this is the best.
Lecithin-sphyngomyelin ratio should be greater than two

21
Q

What does monoamniotic mean?
Diamniotic?
What does monochorionic mean?
Dichorionic?
Which is the only combination that is not possible

A

One amniotic sack containing both twins
Two amniotic sacks, each housing, one twin.
One placenta supporting both twins.
Two placentas , one for each twin.
The only possible is monoamniotic/dichorionic

22
Q

In dizygotic twins, what is always the arrangement of amniotic, sac and placenta?
Which pneumonia in a neonate is associated with a staccato cough?

A

always diamnionic, dichorionic
Chlamydia pneumonia

23
Q

Conjunctivitis in a neonate less than one month old should raise concern for what?
Describe lymphogranuloma venereum

A

Chlamydia infection, transmitted vertically
Starts with small, nontender, papules, or shallow ulcers that resolve and then a tender unilateral inguinal lymph node appears that can rupture and possibly drain for months

24
Q

What is the first line treatment for chlamydia STD infection?
If there is concern for treatment, failure, recurrence, or noncompliance or an allergy to this antibiotic, Which two other antibiotics can be used.

A

Doxycycline for seven days.
A single dose of azithromycin or levofloxacin for seven days

25
Q

How do you treat chlamydia conjunctivitis?
How do you treat lymphogranuloma venereum?

A

Oral erythromycin to eradicate nasopharyngeal colonization
Doxycycline or erythromycin

26
Q

If you see, the phrase, intracytoplasmic inclusions, think of which STD?
What is the most common STD

A

Chlamydia.
HPV, chlamydia is the most common bacterial STD

27
Q

Since gonorrhea is usually asymptomatic, it should be considered in any adolescent patient with which symptom?
An uncomplicated gonorrhea infection is treated with which antibiotic?
If there is an allergy to this anabiotic, which two antibiotics should be used together.

A

 arthritis
Ceftriaxone
Gentamycin plus azithromycin

28
Q

If you do not roll out chlamydia in a patient, who test positive for gonorrhea, how should you presumptively treat?

A

With doxycycline for seven days in case there is common infection with chlamydia 

29
Q

What symptoms present in disseminated gonorrhea?
If you hear, intracellular Diplococci, think of which STD?

A

Rash, arthritis, plus or minus meningitis, endocarditis, fitz-Hugh Curtis (inflammation of the tissue surrounding liver with right upper quadrant pain) or pelvic inflammatory disorder
Gonorrhea

30
Q

If you suspect pelvic inflammatory disease, but there is no improvement on the appropriate outpatient therapy and cultures are negative, which three tests should be done?
How is PID treated in the outpatient setting?

A

 pelvic ultrasound to evaluate for tubo, ovarian abscess, RPR for syphilis and HSVPCR, not HSV titers

A single dose of ceftriaxone plus doxycycline twice daily for 14 days plus or minus Flagyl

31
Q

How do you treat pelvic inflammatory disorder inpatient?
What are two other alternative regimens?

A

Cefotetan or cefoxitin plus doxycycline twice daily.
Alternatives are clindamycin plus gentamycin or unasyn plus doxycycline

32
Q

Describe the LFTs in Fitzhugh Curtis syndrome.
Which two test should be done if this is suspected?

A

LFT will be normal, do not test them.
Do a pelvic exam and obtain cultures 

33
Q

If RPR is positive what test needs to be done to confirm syphilis
A neonate born to a mother with a reactive RPR should have what test done?

A

Treponemal test or FTA
AnRPR on their serum

34
Q

If a new RPR titer is lower than the mothers it’s safe to assume to not test, in what situation would you treat however?
If the mother was given which antibiotic during pregnancy to treat for syphilis, you should also treat

A

If the mother was treated less than one month ago
Erythromycin, it does not cross the placenta

35
Q

What are four physical exam findings in a baby with congenital syphilis?
What are four main complications of untreated congenital syphilis?

A

Maculopapular rash, hepatosplenomegaly, generalized lymphadenopathy, peeling skin
Perforated, palette, perforate nasal septum, hearing loss, Hutchinson teeth

36
Q

If an FTA test is positive, but RPR or VDRL is negative what other infection should you think of?
Which cells are associated with bacterial vaginosis?
Describe the pH of vaginal fluid.
What is the most common bacteria that causes this?

A

Lyme disease
Clue cells.
It is alkaline with a pH greater than 4.5
Gardnerella

37
Q

Describe the vaginal PH in trichomonas infection.
What is the classic sign associated with this?
How do you treat it?

A

pH greater than 4.5
Intense, pus and a strawberry cervix.
Metronidazole

38
Q

Which STD is described as vesicles clustered on an erythematous base?
How is it diagnosed?
How was it treated?

A

Herpes simplex virus
PCR and viral culture.
Acyclovir for seven days

39
Q

If a patient presents with fever, seizures, mention of temporal lobe on a CT of the brain which infection is likely the cause?
How do you treat?
What might an EEG show?

A

Herpes simplex encephalitis
IV acyclovir
Periodic lateralizing, epileptiform, discharges

40
Q

If a female presents with a malodorous vaginal discharge, what should be kept on the differential?
How do you treat this?

A

Vaginal foreign body.
Remove the object and prescribe sitz baths

41
Q

If a patient has painless vaginal ulcers, which two STDs do you think of?
If they are painful, which do you think of? What other syndrome can present with painful vaginal ulcers?

A

Syphilis or lymphogranuloma venereum
HSV or hemophilia deceryi
Behchet syndrome presents with apthous and genital ulcers plus uveitis plus arthritis plus GI symptoms

42
Q

If you see a bloody or pink vaginal discharge in a newborn along with petechia, what should you think could be the cause cause?
Which four infections in a child should make you think you need to rule out abuse?

A

Vitamin K deficiency
Pediculosis pubis (crabs), gonorrhea, chlamydia, HPV/condyLoma acuminata