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Boards - Obstetrics (Maternal)
OBGYN Qualifying Exam
199
Other
Post-Graduate
06/22/2020

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Cards

Term
maternal levels of care
Definition
birth center - uncomplicated cephalic SVD, able to transfer to a hospital
1 - uncomplicated SVD, emergent CD available, anesthesia and US available
2- MFM and consult services alvailable, acute care, anesthesia 24/7
3 - MFM there, RNs need training for this, all consults readily available
4 - criticall ill
Term
progesterone - where does it come from, what is need to make it, what does it do
Definition
corpus luteum -> placenta
maternal LDL
inhibits smooth muscle
Term
estrogen - where does it come from, what is needed to make it, what does it do
Definition
corpus luteum --> placenta trophoblasts
maternal and fetal DHEAS
historically for monitoring fetal wellbeing since it contributes to making it
Term
cortison - changes in pregnancy, why, what does it do
Definition
placenta makes cortisol binding globulin increasing cortisol, myometrial contractions
Term
human placental lactogen - where does it come from, what does it do
Definition
placenta, lioplysis, insulin resistance (favors glucose to baby), increases GDM
Term
what does AMH do in pregnancy and why
Definition
decreases, ovaries are not being stimulated
Term
rate of morbid obesity
Definition
4.8%
Term
rate of reproductive age female obesity
Definition
32%
Term
rate of reproductive age female overweight
Definition
59%
Term
suggested maternal weight gain
Definition
<18.5 - 28-40lb
18.5-24.9 - 25-35lb
25-29.9 - 15-25lb
30+ - 11-20lb
Term
categories of obesity
Definition
underweight <18.5
normal 18.5-24.9
overweight 25-29.9
class 1 30-34.9
class 2 35-39.9
class 3 40-49.9
super 50-59.9
super suprt 60+
Term
#1 fetal anomaly associated with obesity
Definition
ONTD
Term
fetal anomalies associated with obesity
Definition
ONTD, cardiac, palate/lip, anorectal atresia, hydrocephaly, limb reduction
Term
labor abnormalities associated with obesity - 6
Definition
increased CD, IOL, failed IOL, PPH, failed epidural, failed VBAC
Term
maternal medical pregnancy issues associated with obesity - 3
Definition
GDM, pre-e, GHTN
Term
postpartum issues associated with obesity
Definition
baby weight retention, CVD, DM
Term
OSA in pregnancy increases the risk of - 4
Definition
pre-e, mortality, cardiomyopathy, PE
Term
comparison of VBAC success to obese and non
Definition
BMI <19.8 85% success
20-26 79%
26-29 69%
>29 68%
Term
fetal complications associated with obesity - 3
Definition
increased risk of fetal death, LGA, hypoglycemia
Term
cancers associated with obesity
Definition
esophageal, pancreatic, colorectal, breast, endometrial, ovarian
Term
why is infertility associated with obesity
Definition
increased insulin resistance, increased androgens, increased leptin decreases follicle activity and steridogenesis
Term
effect of obesity on male fertility
Definition
lowers
Term
surgical risks associated with obesity - 5
Definition
increased EBL, infection, pneumonia, OR time, anesthesia complications
Term
clinical/medical risks associated with obesity (general) - 7
Definition
CVD, HTN, DM, OSA, DVT/PE, dementia, premature death
Term
risk of low fetal fraction in NIPT in obesity compared to normal
Definition
60kkg 0.8%
100kg 7%
140kg 28%
Term
detection rate on US of anomalies of obesity compared to normal
Definition
normal 66%
overweight 49%
class 1 48%
ckass 2 45%
class 3 22%
Term
recommended screening in obese patients (pregnant and not) - 5
Definition
LFTs
cardiac - if BMI >35 and comorbidities
OSA
APFT - not indicated, can consider BMI >40
IOL 39wk - not indicated, can consider BMI>40
Term
initial lifestyle interventions and goals for obesity
Definition
exercise - 150min/wk moderate or 75min/wk intense (200-300min/wk walking needed to loose weight)
goal 5-10% weight loss in 6mo
Term
chance that lifestyle modification will maintain after weight loss
Definition
50% in 1-2y
Term
DVT PPX in BMI >40
Definition
lovenox 40mg BID for 4-6wk PP
Term
most effective forms of weight loss - 1-4
Definition
1 - bariatric surgery
2 - diet very low calorie
3 - weight drug and lifestyle modifications
4 - lifestyle modifications
Term
1-st line weight loss drug - name, MIA, SE 3, benefits 2
Definition
orlistat, pancreatic lipase inhibitor, farts, diarrhea/leaking, decreased fat soluble vitamins, decreases LDL, decreases total cholesterol
Term
2nd line weight loss drug - name, MOA, SE 3, contraindications 1
Definition
locaserin, seratonin 2C receptor agonist, URI, dizziness, nausea, contraindication ergots
Term
3rd line weight loss drug - name, MIA, contraindications 4, SE 8
Definition
phentramine-topomax, carbonic anhydrase inhibitor and symphathetic inhibitor
contraindications - HTN, DM, renal, liver
SE - dry mouth, constipation, parasthesias, depression, anxiety, tachycardia, metabolic acidosis, abuse potential
Term
when are weight loss drugs indicated
Definition
BMI >27 with comorbidities, or BMI >30
Term
when should a weight loss drug be stopped and another method tried
Definition
<5% weight loss in 12mo
Term
when is bariatric surgery indicated
Definition
failed diet/lifestyle modifications plus
BMI >40 or BMI >35 with comorbidities
Term
NADIR of weight loss with bariatric surgery
Definition
18-24mo
Term
average time weight is started to gain back after bariatric surgery
Definition
2y
Term
% who fail / insufficient weight loss after bariatric surgery
Definition
25%
Term
% resolution of GDM, HLD, OSA after weight loss surgery
Definition
77% DM cured
85% DM improved
79% HLD resolved
85% OSA resolved
Term
how is rou-en-y done
Definition
divide jujenum distal to ligament of treitz and recommect to 30mL pouch of stomach
Term
complications higher in rou-en-y then other methods - 5
Definition
dumping syndrome, B12/folace/protein deficiency, obstruction
Term
where is a lap band placed
Definition
GE junction
Term
complications associated with lap band > rou-en-y - 8
Definition
ulcers, GERD, erosions
slipping, stenosis
leaking
nausea, vomiting
Term
cause of dumping syndrome
Definition
refined / high glycemic glucose intake
Term
signs of dumping syndrome -
Definition
bloating, n/v/d, hyperinsulinemia, hypoglycemia, tachycardia, palpitations, anxiety, diaphoresis
Term
prevention of dumping syndrome - 2
Definition
small frequent meals, increase fiber, avoid high glycemic or refined sugars
Term
prevalence of nutrition deficiencies after bariatric surgery - B12, folace, Fe
Definition
B12 70%, folate 20%, Fe 50-60%
Term
what are the best forms of IV Fe
Definition
dextran and sucrose
Term
how is the amnount of IV Fe needed calculated, what does it normally come out to
Definition
normally 1-2mg

Mg = (0.3xlbsx100) / ((14.8-hbg)/14.8)
Term
what are the risks of a pregnancy too close to bariatric surgery - 4
Definition
ONTD, IUGR, SGA, PTD
Term
what is the increased rate of pregnancy after bariatric surgery
Definition
2x
Term
what is the recommended weight gain in pregnancy if had bariatric surgery
Definition
<15lbs
Term
genetic screening recommended in patients with history of bariatric surgery
Definition
AFP, level II US
Term
percent of nausea in pregnancy
Definition
80%
Term
percent nausea in pregnancy will progress to hypermesis
Definition
0.3-3%
Term
definition of hyperemesis - 5
Definition
>5% weight loss, dehydration, lyte abnormalities (esp low K), ketosis, acidosis
Term
conservative treatment nausea in pregnancy and their evidence - 5
Definition
ginger - good evidence
acupuncture - conflicting evidence
food avoidance - conflicting evidence
psychotherapy - no evidence
hyponosis - some evidence
Term
first line medications for nausea in pregnancy
Definition
pyrodoxine/B6/doxyalamine
Term
second line medications for nausea in pregnancy
Definition
reglan, chlorpromazine, dicyclomine, promethazine
Term
third line medications for nausea in pregnancy
Definition
add a second second line medication
Term
fourth line medications for nausea in pregnancy
Definition
zofran
Term
5th line medications for nausea in pregnancy
Definition
methprednisolone
Term
complications of steroids in pregnancy
Definition
cleft lip palate if <10wk
Term
#1 complication of PICC line in pregnancy
Definition
bacteremia
Term
complications of PICC line in pregnancy - 4
Definition
bacteremia/infection, cellulitis, pain, thrombophlebitis, failure of line
Term
nutritions to be sure to replace in admission for n/v of pregnancy
Definition
B1/thiamine - avoid wereneckies
Term
incidence of carrying phenlyketonuria
Definition
1:60
Term
if mom has phenoketonuria and dad is unknown what is the chance of her baby having it
Definition
1:120
Term
what is the chance a baby of a mom with phenylketonuria will be a carrier
Definition
100%
Term
physiology of phenylketonuria
Definition
AR, deficient phenylalanine hydroxylase in liver, phenylalanine builds up and is higher in fetal blood than maternal, toxic to fetal brain
Term
complications and incidence of untreated phenylketonuria in pregnancy - 5
Definition
92% developmental delays, 72% microcephaly, 12% cardiac defects, growth delay, seizure
Term
foods someone with phenylketonuria cant eat
Definition
meat, fish, egg, bread, dairy, nuts, seeds, aspartame, soy, non-wheat flour, beer, cream liquior
Term
safe phenylalanine levels in pregnancy
Definition
2-6ng/dL <8wk decreases risk, <8 decreases microcephaly 73 to 8%
Term
prognosis of seizure disorders in pregnancy
Definition
50% same, 25% improve, 25% worsen, 1-2% seizure risk PP
Term
complications of seizure disorders in pregnancy - 5
Definition
ONTD x10, LBW, pre-e, IUFD, malformations x2
Term
#1 fetal malformation in seizure disorders
Definition
cleft lip/palate
Term
drug level monitoring seizure disorder
Definition
5-6wk then qTrimester then 1-2wk PP
Term
which seizure meds cause increased fracture risk - 5
Definition
topomax, phenobarbitol, phenytoin, carbmazapine, valproate
- give bisphosphonates to decrease Fx and increased BMD if on long term
Term
physiology of myasthenia gravis
Definition
Ab to nicotinic Ach receptor at NMJ
Term
signs of myasthenia - 6
Definition
thymoma (15%), progressive weakness with use, pitosis/diplopia 50%, dysarthria/dysphagia 15%
Term
what percent of thymomas will have myasthenia
Definition
30%
Term
management myasthenia
Definition
thymomectomy imp/resolves 85%
acetylcholinesterase drugs
steroids
Term
drugs to avoid in myasthenia - 11
Definition
aminoglycosides, quinolones, clindamycin, vancomycin, BB, procanamide, anticonvulsants, succinylcholine, tetracaine, chlorprocane, magnesium
Term
drugs to caution in myasthenia - 9
Definition
flagyl, macrobid, doxycycline, CCB, statins, macrolides, lithium, haldol, chlorpromazine
Term
pregnancy complications associated with myasthenia - 2
Definition
neonatal myasthenia - 15-20% resolves 6mo
PTL
Term
what do you use instead of Mg in myasthenia
Definition
levetram, valproic acid
Term
% pregnancy close interval
Definition
35
Term
define close interval pregnancy
Definition
<18mo
Term
recommended inter-pregnancy interval
Definition
18mo-2y
Term
risks of close interval pregnancy - 3
Definition
PTD, LBW, congenital abnromalities
Term
#1 non OB surgery in pregnancy
Definition
appy
Term
rate of appendicitis in pregnancy
Definition
1:1250
Term
trimester most likley for appendicitis
Definition
1-2T
Term
gold standard appendicitis diagnosis
Definition
CT
Term
complications of appendicitis in pregnancy and % occurence - 4
Definition
1-4% loss, 30% rupture, 20% pyrea, 7% no appy in 3T, 26% no appy in 2T
Term
prognosis of RA in pregnancy
Definition
60% improve (Esp if RF)
90% will flare PP (esp if G1)
Term
risks of RA in pregnancy - 1
Definition
PTL
Term
RA medications NOT ok in pregnnacy - 2
Definition
MTX, lefutamide
Term
when does MTX have to stop before conception
Definition
3mo
Term
when does lefutamide have to stop before conception
Definition
level <0.02 mg/L
Term
RA medications safe in pregnancy - 6
Definition
depending on timing - NSAIDS, steroids, TNF inhibitors
always ok - hydroxychloroquinie, sulfasalazine, azathioprine
Term
when should you discontinue RA medications during pregnancy
Definition
no difference was seen in rates of fetal infection with discontinuation, do not discontinue, delay live vaccines 6mo for baby
Term
causes of amniotic band syndrome
Definition
#1 sporadic, ehlers dhanlos, epidermilysis bullosum
Term
#1 complication amniotic band syndrome
Definition
constrictions
Term
rate of amniotic band syndrom
Definition
100:10,000
Term
cause of amniotic sheet
Definition
amnion and chorion around uterine synchiae
Term
signs and risks placental cyst
Definition
comes from base of placenta into amniotic membranes, may have solid compoents at base, risk of bleeding
Term
signs cause risks of unfused amniotic sac
Definition
no fusion at 12-13wk
blood between layers after amnio
PTL risk
Term
cause of subchorionic lucency
Definition
wortons jelly, placental lake
Term
changes in pregnancy - GFR, renal plasma flow, renal length, renal volume, renal pelvises, ureter, urine protein/albumin
Definition
GFR up 50%
plasma flow up 80%
volume up 30%
length up 1-1.5cm
pelvis and ureters dilate R>L
increased urine protein/albumin at 20wk
Term
changes in pregnancy - CO, SV, HR
Definition
all increase
Term
cardiac disease is #__ COD in pregnancy
Definition
4
Term
low risk cardiac disease in pregnancy and % death - 7
Definition
<1% death - ASD, VSD, MVP, PDA, bioprosthetic valve, corrected TOF, bicuspid aorta
Term
moderate risk cardiac disease in pregnancy and % death - 4
Definition
5-15% death - prosthetic valve, MS/AFib, AS, TOF uncorrected
Term
high risk cardiac disease in pregnancy and % death - 6
Definition
>15% death - pulmonary HTN, dilated cardiomyopathy, coarctation of aorta, dilated aortic root, eismengers
Term
cardiac disease causing highest mortality in pregnancy
Definition
eismengers
Term
rate of peripartum cardiomyopathy
Definition
1:3500
Term
risks for peripartum cardiomyopathy - 5
Definition
AA, AMA, multiples, tocolytics, HTN
Term
after someone has peripartum cardiomyopathy what meds are they on PP, how long, and how do you determine when to DC them
Definition
ACEI/BB 1y, dobutamine stress test
Term
% recovery to normal peripartum cardiomyopathy
Definition
30-50%
Term
poor prognostic sign wont return to normal after peripartum cardiomyopathy
Definition
not normal by 6mo PP
Term
risk of peripartum cardomyopathy in NEXT pregnancy - recurrence, mortality
Definition
EF >50% - 27% recurrence, no inc mortality
EF <50% - 48% recurrence, 16% mortality
Term
% pregnant women with dental disease
Definition
40
Term
risk factors for dental disease - 3
Definition
AA, smoking, low SES
Term
bug causing dental disease
Definition
S. mutans
Term
complications in pregnancy of dental disease - 2
Definition
PTL, childhood carries
Term
why is there increased tooth mobility in pregnancy
Definition
estrogen and progesterone loosens tooth ligaments
Term
pyogenic granuloma - what is it, why does it happen, what do you do
Definition
hyperplastic inflammatory repsonse to mouth bacteria in pregnancy causing a vascular lesion <2cm, nothing unless cant eat will resolve PP
Term
% pyogenic granuloma in pregnancy
Definition
5
Term
#1 cause of death of women of reproductive age
Definition
trauma
Term
causes of trauma in pregnancy and incidence
Definition
MVA 55%, assault 22%, fall 21%, burn 1%
Term
percent of pregnancy MVA wearing seat belt
Definition
46%
Term
cause of fetal loss after trauma - 4
Definition
maternal death, abruption, uterine rupture, direct fetal trauma
Term
monitoring after maternal trauma
Definition
NST 4h if contractions <1 q15m then ok, if greater then monitor 24h
Term
rate of abruption after trauma
Definition
5% minor and 5-50% major traumas
Term
rate of PTL after trauma
Definition
>25%
Term
rate and location of uterine rupture after trauma
Definition
0.6% (75% fundal due to direct impact)
Term
rate of direct fetal trauma in a maternal traum
Definition
<1%
Term
timing of perimortum CD
Definition
within 4min of CPR start, baby out within 5m CPR, fetal death likley after 15-20m CPR
Term
recommendations for radiation exposure
Definition
<5 rad ok
5-10 rad low risk
10-15 rad high risk, consider termination
15+ rad terminate
Term
rads associated with - CT pelvis, KUB, CT head, pelvic XR, CXR
Definition
CT pelvis 1-2
KUB 0.24
CT head <0.001
CXR 0.001
pelvic XR 0.17
Term
immune cell shift in pregnancy - 3
Definition
T1/cell mediated decreases
T2/humoral increases
IL4 increases - to stop fetal rejection
Term
diseases improved by improved T2 mediated immunity - 2
Definition
eczema, lupus
Term
diseases worsened by decreased T1 mediated immunity - 1
Definition
psoriasis
Term
pregnancy complications of lupus - 4
Definition
PTL, IUGR, PROM, neonatal lupus
Term
signs of neonatal lupus - 2
Definition
skin changes, congenital heart block
Term
risk factors and rate of neonatal lupus
Definition
1/3 of babys of moms who have SSA/B Ab
Term
fibrinogen - normal, pregnancy
Definition
140-400 to 400-600
Term
Hbg - normal, pregnancy
Definition
14 to >11
Term
LFT - normal, pregnancy
Definition
40 to 30
Term
pH - normal, pregnancy
Definition
7.38-7.42 to 7.4-7.46
Term
pCO2 - normal, pregnancy
Definition
38-45 to 26-32
Term
pO2 - normal, pregnancy
Definition
70-100 to 75-106
Term
HCO3 - normal, pregnancy
Definition
24-31 to 18-21
Term
herpes/phemphgoid gestationalis - physiology
Definition
immune response to fetal antigen on placenta and cord (bullous phemphgoid antigen 2 / BP180) abnromally expressed DR3/DR4. mom makes IgG which attacks those things plus her basement membrane
Term
herpes/phemphgoid gestationalis - histology
Definition
superficial and deep perivascular lymphohistocytic eosinophil invasion, linear IgG/C3 on BM
Term
herpes/phemphgoid gestationalis - location
Definition
umbilicus to abdomen to thighs to palms and soles
Term
herpes/phemphgoid gestationalis - rash appearance
Definition
erythematous ring with central vessicle, bullae
Term
herpes/phemphgoid gestationalis - onset
Definition
over 2d, 75% flare PP
Term
herpes/phemphgoid gestationalis - diagnosis
Definition
biopsy immunoflourescent assay for IgG
Term
herpes/phemphgoid gestationalis - management
Definition
topical/PO steroids, topical antihistamines, PP azathioprine or MTX
Term
herpes/phemphgoid gestationalis - resolution
Definition
slow postpartum over months
Term
herpes/phemphgoid gestationalis - prognosis
Definition
no long term, earlier presentation worse disease
Term
PUPPS - cause
Definition
distention causes CT damage, combined with altered cortisol levels, there is an inflammatory response
Term
PUPPS - risk factors - 4
Definition
G1, atopy history, increased maternal weight gain, multiples
Term
PUPPS - histology
Definition
dermal edema, superficial and mid dermal perivascular eosinophils, Th cells, macrophages
Term
PUPPS - location
Definition
spares umbilicus, spares palms and soles, goes from striae to thighs, butt, back
Term
PUPPS - rash appearance
Definition
erythematous uticaria, can progress to wheels/vesicles/eczema
Term
PUPPS - onset
Definition
highest in 3T and PP
Term
PUPPS - fetal complications
Definition
none
Term
PUPPS - diagnosis
Definition
clinical
Term
PUPPS - management
Definition
topical/PO steroids, anithistamines
Term
PUPPS - resolution
Definition
4-6wk PP
Term
atopic errution of pregnancy - risk factors - 2
Definition
atopy, elevated IgE
Term
#1 cause of pruritis in pregnancy
Definition
atopic errution of pregnancy
Term
atopic errution of pregnancy - location
Definition
66% extensor, 33% trunk/limbs - will be small pruritic papules only
spares palms and soles
Term
atopic errution of pregnancy - fetal complications
Definition
risk of atopy in future
Term
atopic errution of pregnancy - management
Definition
topical/PO steroids, anto-histamines, UV, antibiotics for secondary infections
Term
atopic errution of pregnancy - appearance - 4
Definition
red plaques, dry skin, excoriations, secondary infections
Term
pustular psoriasis of pregnancy - aka
Definition
impatigo herpetaformis
Term
pustular psoriasis of pregnancy - onset
Definition
highest in 3T
Term
pustular psoriasis of pregnancy - location
Definition
flexor surfaces
Term
pustular psoriasis of pregnancy - lesion appearance
Definition
sterile pustules, erythematous plques
Term
pustular psoriasis of pregnancy - fetal risks
Definition
stillbirth
Term
pustular psoriasis of pregnancy - maternal risks
Definition
increased mortality
Term
pustular psoriasis of pregnancy - resolution
Definition
remits PP
Term
pustular psoriasis of pregnancy - management
Definition
admit, NST, GS, lytes, delivery early
Term
IHCP - risk factors - 4
Definition
hormonal, genetic, seasonal, dietary
Term
IHCP - liver biopsy result
Definition
bile stained hepatocytes, central lobar cirrhosis without inflammation
Term
IHCP - rash location
Definition
no rash, pruritis of palms and soles
Term
IHCP - onset
Definition
usually 3T, worse at night
Term
IHCP - fetal risks - 5
Definition
PTD, demise, RDS, meconium, low vitamin K/ coagulopathy
Term
IHCP - maternal risks - 4
Definition
PPH, recurrence, PP cholelithiasis, coagulopathy
Term
IHCP - management
Definition
ursadiol, UV for sx, APFT 28wk (BPP weekly, bi-weekly NST)
Term
IHCP - delivery timing
Definition
BA >10 37wk, BA >40 36wk, BA >100 consider now
Term
benefits of ursadiol IHCP - 3
Definition
decreased PTD, LFTs, NICU admits. does not decrease stillbirth or BA
Term
IHCP - lab changes - 3
Definition
BA elevated, LFT elevated but <300, AP 4x
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