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214 Cards in this Set

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m/c cause of post-menopausal ascites?

ovarian cancer
m/c cause of post-menopausal bleeding?
endometrial cancer
marker of ovarian cancer?
CA-125
"omental cake" what suspect?
ovarian cancer
normal placental width =?
2-4 cm
m/c causes of increased placental thickness?
CMV, non-immune hydrops fetalis due to fetal anemia
most important RF for placenta previa? (2)
Over 4 c-sections, also grand multiparous
most important RF's for abruptio placenta?
PREVIOUS AP!!, hypertension, abd/pelvic trauma, tobacco, or cocaine use
types of placenta previa?
complete, partial, marginal, low-lying
which placenta previas can be safely delivered?
if > 2cm from cervical os
3 m/c places of placental hemorrhages?
MC= subchorionic (marginal) = maternal venous blood; retroplacental (maternal arterial blood, worse outcome), pre-placental (fetal venous blood),
what is Breus mole?
a massive sub-chorionic (marginal ) placental hemorrhage
4 causes of 3rd trim (>28wks) bleed?
abruptio placenta; placenta previa; bloody show (loss of mucous plug with cerv dilation during 1st stage of labor), uterine rupture;
Non-uterine causes: genital tract lesions, cerv carcinoma
abruptio placenta: two kinds?
bleeding out, bleeding concealed
m/c place of abrutpion placenta bleed?
retroplacental (vs placenta previa bleed = marginal)
Placental previa vs Abruptio placenta diagnosis?
PP = diagnosed with trans-vag ultrasound (dont' do exam!!);
AP = diagnosed clinically=fetal distress, uterine hypertonicity, frequent UC's
what is placenta acretia?
abnormal adherence of pl to myometrium; ie cannot remove it from wall ; can lead to catastrophic blood loss
sign of placenta acretia on ultrasound (2)?
myometrial thinning, swiss-cheese/moth-like appearance
what is vasa previa?
ie bilobar placenta with fetal veins running in between; vessels run through membranes and over cervix
vasa previa may cause?
bleeding during vaginal delivery --> FETAL blood loss = death of baby!
what must do if diagnose vasa previa?
treatment immediately with an emergency cesarean delivery is usually indicated.
preeclampsia may be dx'd with hypertension and what dipstick protein amt?
at least +2 protein
preeclampsia definition?
hypertension and > 300 mg/24hrs proteinuria
mild vs severe preeclampsia?
mild = > 140/90 mmhg; proteinuria 300-5g/24 hrs; mild organ effects = cerebral changes, headaches; wt gain, edema, jvd, hyperactive reflexes
severe = > 160/110 mmhg; proteinuria > 5g/24 hrs; end organ DAMAGE: blurred vision, scotomata, RUQ/epigastric px, pulm edema/ cyanosis; LFT up, Pl's decr, decr UO, oligohydramnios, IUGR
HELLP syndrome
Hemolysis, Elevated LFT's Low Pl's
why give MgSo4 for severe preeclampsia?
not to help HTN but to prevent seizures.
tx for severe preeclampsia?
DELIVER!!
MgSO4 to prevent seizures
results of having a single umbilical artery?
IUGR;
Congenital malformations;
if these ruled out, = outcome will most likely be ok
If pregnancy due date under 1 year since last delivery, is an attempted VBAC recommended?
NO!
success rate of VBAC?
75%; rest will result in another c-section (actually depends on location/ center etc)
what MUST you ask pt when considering VBAC?
MUST ask what indications for last C-section were; ie if were small pelvis, VBAC has much higher chance of failure than if ie: breech presentation, transient infection; etc
2 m/c conditions you MUST rule/out if bleeding?
AP and PP
what never do with a placenta previa
never do vaginal exam
Under what 4 conditions may you give steroids?
24-34 weeks (<24 = not viable; > 34= lungs most likely mature)
No amnionitis
No uncontrolled maternal DM
No immediate delivery (ie AP)
labor induction depends on?
Bishop score
Bishop score?
1 Cervical length/ effacement ( 80% = 3)
2 Cervical dilation (>5cm = 3)
3 consistency of cervix (soft = 2)
4 Position: post or ant cervix (ant = 2)
5 Station: (fetal head to isch spine high = -3 to low = +3) (low = 3)
TOTAL = 13; if > 9, labor will most likely commence spontaneously; if <5 most likely won't commence w/o induction
How may you change bishop score to induce labor?
dinoprostone =PGE2 =vasodilator and smooth muscle relaxant; affects cervical effacement factor of bishp score; INDUCES labor and also abortifacient; also causes bdilation and tachycardia
confounders of appendicitis dx in preggers?
constipation, leukocytosis, rlq px is also in normal pregnancy
CT abd radiation amt? critcal level for pregger?
2.5/ 5.0 = critical
Def's and weeks that must induce labor in Gest DM AI vs AII
* Type A1: abnormal oral glucose tolerance test (OGTT) but normal blood glucose levels during fasting (norm = <126mg/dL) and 2 hours after meals (lower than 140) ; diet modification is sufficient to control glucose levels; must induce at 38 weeks
* Type A2: abnormal OGTT compounded by abnormal glucose levels during fasting (110-126 = impaired GT; over 126 = diabetes) and/or after meals (140-200 = impaired GT, over 200 at 2hrs = diabetes); additional therapy with insulin or other medications is required; must induce at 40 weeks

however study has shown that no indication for delivery before 40 weeks if glucose has been adequately controlled
ways to change bishop score?
1) dinoprostone ( PGE2) = induces labor by increasing cerv effacement
2) catheters: squeeze muscles and stimulate endogenous PG release
3) mechanical stripping: mechanically dilate cervix
4) Oxytocin = causes contractions which further dil/effacement
def of IUGR?
EFW< 3rd percentile; depends on which curve used to determine EFW
first things to ask mother with fetus that 's IUGR?
What is the TRUE gestational age?
Ie how were her last menst periods? regular/irregular/ long, short/ on time? during bfeeds?

Are parents small?
when is ultrasound for EFW done
= 1st trimester
when is nuchal tlucency done?
11-13.6 weeks
what is def of REGULAR menstruation?
28d +/- 7 d
Causes of IUGR?
Smoking: also causes prematuirty, preterm L/D, AP, IUGR, PPROM; is PROTECTIVE for preeclampsia
drugs: b-blockers
illnesses: EVERY chronic maternal illness may cause IUGR
Vasc disease
Hypertensive disorders
Uncontrolled asthma
High altitude
Anemia
Ethnicity (ie India)
Fetal: Cong anomalies, CHF, single umbilical art, chromosomal = T13, 16, 18, (21 less), (NOT turners), Twin-twin tfusion, TORCHES, Inborn errors
Plac: Oligohydramnios, tumors, septated uterus, uterine myoma, infarction, hemangioma
Tx of IUGR:
24-34 weeks, give steroids and try to put off delivery to develop fetal lungs;
monitor with non-stress test
US for biophysical profile:
HR monitor, Movements, Breathing movements, sufficient Amniotic fluid, Fetal tone (all 2pts or 0 pts only)
Do EFW measurements
US anatomy/anomaly scans
Bl tests for TORCHES
Doppler for placental insuff
= see notch on art pulse and/or redistribution of blood to MCA (hypoxia induced).
Oxyt challenge test: check response to see if baby is ok to do vag deliv
If all these are normal, may send home and folow up with FHR in 2 wks. If not normal, INDUCE LABOR!!!
GCT catches what %'s of diabetes?
if set at 140 mg/dL cutoff = catches 80%
if set at 130 mg/dL cutoff = catches 90% but will have more unnecessary secondary OGTT's performed
When is GCT given?
given b/w weeks 24-28
Percent success rate of VBAC after CS for past breech position? vs: after past non-progression CS or relative CPD?
80%; vs 50-60% = avg of 75%
what is the term given when the size, presentation and position of the baby's head in relationship to the mom's pelvis prevents dilation of the cervix and/or decent of the baby's head.
Cephalopelvic Disproportion (CPD)
risk of rupture during VBAC attempt?
0.5% for any CS with past transverse incision (if classical vertical incision = rupture rate = 8%!!!)
what % of uterine rupture ends in baby death or severe asphyxiation? what are other complication? if unrepairable?
70%!!
May cause AP = baby dies immediately;
if unrepairable, must do hysterectomy immediately
Ideal # months after CS before VBAC trial?
18
what sign during VBAC attempt indicates possible uterine rupture?
sudden stop of contractions
absolute C/I's to VBAC?
classical scar
Over 2 CS's in past
relative C/I's to VBAC?
* < 1yr since last CS
* Indication for past CS was ie failure to progress, craniopelvic disproportion (CPD) etc
* ?
site of epidural?
between L3-L4 = at level of iliac crest
Drug to tx HTN in pregnancy?
L-Dopa
Nonreassuring vs ominous fetal hr patterns?
Nonreassuring patterns
Fetal tachycardia
Fetal bradycardia
Saltatory variability
Variable decelerations associated with a nonreassuring pattern
Late decelerations with preserved beat-to-beat variability

Ominous patterns
Persistent late decelerations with loss of beat-to-beat variability
Nonreassuring variable decelerations associated with loss of beat-to-beat variability
Prolonged severe bradycardia
Sinusoidal pattern
Confirmed loss of beat-to-beat variability not associated with fetal quiescence, medications or severe prematurity
hypertonic uterus is assoc with?
Abruptio Placenta!
AFI (amn.fluid index) normal range?
5-25cm
90% of vaginitis is caused by?
infection:
gardnerella vaginalis and candidiasis
hormonal vaginitis is caused by?
post-partum or especially post-menopausal = low estrogen levels = ATROPHIC vaginitis
complications of vaginitis in pregos?
PPROM, preterm delivery
bact vaginitis vs candidiasis vs trachoma vaginalis appearance/smell?
bact vag = fishy smelling, white d/c w/ clue cells
candidiasis = non-odorous, cottage-cheese like d/c
trachomas vaginalis = can be any color
ROM normally occurs at what dilation?
If cervix left alone, ROM will occur at 9-10cm!
premature ROM (PROM) ?
is actually pre - LABOR rupture of membranes
PPROM = ?
preterm PROM = prior to term/ maturity = 25-37 weeks
Most significant RF for PPROM?
previous PPROM or preterm delivery
M/c etiology of PPROM?
Infection ie chorioamnionitis
sign of ROM in pelvic exam?
pooling of fluid in posterior fornix
vag pH of pregnancy? in amniotic fluid? Semen? sign of ROM?
4.0
7.0 = amniotic fluid
7.0 = semen
if ROM, vaginal pH will be much more alkaline than normal 4.0 acidic state
two tests for amniotic fluid?
Nitrazine: alkaline amniotic fluid turns nitrazine paper blue
Ferning test: amn fluid smeared on slide forms "ferns" as it dries
other tests: tampon test: inject blue dye to amnion; wear tampon and check for turning blue = ROM
When do you perform a digital exam if suspected PPROM?
NEVER!!
Indications for immediate delivery in PPROM?
chorioamnionitis, advanced labor,
difference b/w preterm contractions, preterm labor, and cervical os dysfxn?
1) Preterm contractions = just contractions, no cerv dil/eff
2) preterm labor= preterm contractions>1/10mins PLUS cerv dilation > 2 cm or effacement > 80%
3) cerv os dysfxn/incompetence = preterm cerv dilation without painful contractions
When does PPROM cause lung hypoplasia and why?
only if earlier than 25 weeks b/c the lung alveoli havne't formed yet (doesn't have to do w/surfactant production)
PPROM tx?
90% will spontaneous deliver in 1 week.
Other 10 %: wait or induce labor
Normal leukocyte count in 3rd trimester ?
up to 15,000!
does use of tocolytics prolong tiem before premature delivery?
NO/ NO EVIDENCE!
Tocolytics?
Terbutaline = B2 agonist =binds b2 R's in uterus/myometrium causing sm relax and decr in freq and intensity of contractions
MgSO4
Nifedipine = Ca Ch blocker
ritodrine = also B2 agonist
C/I's to Tocolytics?
CHAMPS:
Chorioamnionitis
Hemorrhage
Abruptio placenta
Mature fetus
Preeclampsia/eclampsia
Severe IUGR
In workup for Preterm labor, what always give first? and why?
always give IV hydration, b/c dehydration = stimulation of ADH (vasopressin) = mimics oxytocin!!
Definition of true labor? Def of sufficient contractions?
UC's sufficient in duration to cause cervical dilation >2cm OR effacement of >80%

Sufficient contractions are >200Mvideo units (pressure X minutes / 10 minutes ie 60x1min +80X2mis = 220
fetal fibronectin test positive between what weeks means possible preterm labor or PPROM?
between 22 - 38 weeks (outside of these, is already positive)
what frequency of prenatal visits at what weeks?
0-28 weeks = monthly
28-36 weeks = bimonthly
36-delivery = weekly
preterm def?
24-37 wks
term = 37-42 weeks
what should EVERY prenatal visit check for?
fetal movement
vag d/c or bleed
abd cramps or UC's
leakage of fluid or ROM
Blurred vision, hache, rapid wt gain, edema
Wt, fundal ht, BP, edema
Dipstick urine for protein and glucose
fetal heart tones (after 12 wks)
trimester in weeks?
ACOG:
1-14 first
14-28 = second
28- delivery = third

but other sources say:
0-12 first
12-27 = 2nd
27-40 3rd
fundal height measurements at weeks?
at sup symphysis = 12 wks
midway between sP and umbilicus = 16
umbilicus = 20
above umbilicus = ht above SP in cm = # weeks for weeks 20-32
typical triple test in DS?
low AFP
High BCG
Low estradiol
amt folate preggers should take?
400 ug/ day
percent of preg's having gest DM?
3-5%
RF's for gest DM?
family hx,
gest DM in previous preg
obesity
previous macrosomic baby,
habitual abortions or stillbirths
macrosomic baby definition?
>4500 g's at birth
When is triple test supposed to be performed?
at 16-18 weeks IF initial MS-AFP (maternal serum AFP) test was abnormal
Positive GCT test?
50 g glucose given
If blood glu 1hr later = over 140 to 200 = do OGTT test. If >200 (sheiner says 180)= DIAGNOSE gestational DM
most common medical complication of pregnancy?
gestational DM!!
positive OGTT =?
pre GTT test: if fasting >126 or random >200, dx gest DM
GTT: if fasting >95, or 1hr > 180, 2hr >155, or 3hr >140 and one abnormal level is confirmed by another subsequently, dx Gest DM
when must you repeat glucose tolerance test for all positive GTT women?
must repeat POST-PARTUM to diagnose those few who will REMAIN diabetic
what % of women with gest DM will develop DM in five years?
30%!!!!!
when to do amniocentesis?
between 16-18 weeks!! (=same as for afp screen, triple test, and us for anatomy evaluation)
when do US for anatomy evaluation?
16-18 weeks!!
type of US to do and when?
vaginal if HCG > 1500
abdominal if HCG >6000
When would you do chorionic villus sampling (CVS)?
9-12 weeks gestation
indications for CVS and what weeks done?
done at 9-12 weeks (advantage= before amniocentesis may be done)
indications:
* Mother's age of 35 years or greater
* Abnormal first trimester screen results
* Increased nuchal translucency or other abnormal ultrasound findings
* Family history of a chromosomal abnormality or other genetic disorder
* Parents are known carriers for a genetic disorder
when to do gest diabetes screen for all preggers?
26-28 weeks
cross the placenta and are therefore teratogenic and CONTRAINDICATED during pregnancy?
oral hypoglycemics
what is indication to START insulin in DM type AII mother?
If studies reveal PERSISTENT (1-2week) fasting blood glucose level over 95mg/dL or PERSISTENT 2hr postprandial glu >120 mg/dL, then start insulin!!
what increased risk for preeclampsia/eclampsia do gest DM mothers have?
4-fold increased risk for ecl/preeecl!!
fetal complications of gest DM?
preterm labor
polyhydramnios
CS
pre-eclampsia/eclampsia (4-fold incr risk)
risk of future DM!!
macrosomia--> shoulder dystocia, etc
perinatal mortality (2-5%
congenital defects (3-fold increase)
delayed organ maturity
RF's for hypertension?
nulliparity
multiple gestations
<15 or >35 y/o
vascular disease (ie lupus,)
diabetes **(although HTN is NOT a risk factor for gest DM)
chronic HTN
chronic hypertension DEFINITION?
BP > 140/90 measured 2 x, >6hrs apart BEFORE 20 WEEKS GESTATION!!!!
PIH definition?
BP > 140/90 measured 2 x, >6hrs apart AFTER 20 WEEKS GESTATION!!!!
Only cure for severe preeclampsia?
delivery! (b/c patholgy is related to placenta= must remove placenta)
PGE2 and prostacyclin are?
VASODILATORS!!
mild vs sever preeeclampsia?
mild = bp >140/90 and proteinuria >300, <5g/24hrs
severe = bp >160/110 OR proteinuria >5g/24hrs OR
visual changes, RUQ pain, pulm edema/cyanosis, elev lft's, decr platelets, decr urine output, oligohydr, or IUGR
differential for preeclampsia?
renal disease, renovasc htn, primary aldosteronism, cushing's, pheochromocytoma, SLE
differential for eclampsia?
primary seizure disorder
TTP
drugs you may give for severe preeclampsia while preparing for delivery? (and for eclampsia?)
MgSO4 (to prevent seizures)
Labetalol or hydralazine for HTN
Postpartum- continue MgSO4 while monitoring for Mg toxicity (hyporeflexia, resp paralysis, coma).

For eclampsia, same as above but also give foley catheter to check I/O's; and O2 while monitoring ABC's
should hospitalize for mild preeclampsia?
yes, to observe and monitor labs closely (preterm) or to induce (term)
tx for magnesium toxicity?
same as for K+ toxicity = Ca gluconate IV
If PIH occurs in first trimester, suspect what?
think either chronic hypertension OR
MOLAR PREGNANCY!!
3 m/c sx preceding eclamptic attack?
hache, visual changes, and RUQ or epigastric pain!!!!
rf's for hypertension in pregnancy (same for chronic as for PIH)
*NULLIPARITY
multiple gestations
extreme ages <15 and >35
vascular disease (htn 2ndry to SLE or DM)
DM
Chronic htn
Definition of Chronic hypertension
>140/90 measured twice, at least 6 hrs apart BEFORE 20 WKS gestation!
PIH def
htn after 20 weeks
Only cure for preeclampsi?
Delivery of PLACENTA!!
mild preecl def?
severe preecl def?
>140/90 and 300mg-5g/24hrs
max of BP >160/110 and/or proteinuria > 5g/24hrs
When is only situation in preeclampsia in which you do not deliver immediately but you hospitalize and observe?
MILD PRETERM preeclampsia; if full term, always just deliver
severe preecl tx?
DELIVER!!! until then, stabilize with
hydralazine for htn
MgSO4 to prevent seizures and postpartum for 24 hrs monitoring for MgSO4 toxicity ( coma, decr reflex, resp paralysis
causes of 1st trimester bleed?
Spont abortion ALWAYS RULE OUT
ectopic preg ALWAYS RULE OUT
hydatidiform mole
trauma
infections (cervicitis, genital tract traumua or infection)
workup for 1st trimester bleed?
b-HCG for levels
Transvag US (if bHCG <1500) or trans abd US (if >6000)
Pelvic exam for adnexal masses, cervical dil, or trauma, infection
Type and screen (for RhoGAM administration if Rh - )
Spont abortion def?
term of preg at <20wks or with an EFW at <500.
percent of all pregnancies that end in spontaneous abortion?
50-70%
definition and tx of inevitable abortion?
ROM, severe uterine BLEEDING or heavy cramps with NO products of conception expelled yet; cervical os opened; tx = D &C
missed abortion def and tx?
no heavy bleeding, no severe cramps, cervical os not opened but ABNORMAL US (if Normal = consider "threatened abortion")
etiologies of spontaneous abortions:
Chrom abnormalities (up to 50% of first trim spont ab's)
Infections
Anatomical defects ie septate bicornuate uterus, cerv os incompetence, or adhesions
Endocrine factors: prog deficiency, PCOS
Immunologic: SLE antiocoag; APLA
spont abortion in first trim tx?
stabilize mom with liquids
RhoGAM to all antibody (-) preggers
D&C
PPH def and causes?
def = blood loss >500ml for normal vag deliv / 24 hrs or >1000ml for CS
PPH = postpartum hemorrhage
4 T's:
Tone (uterine atony)
Trauma/tear (ie AP, PP), uterine rupture, uterine inversion
Thrombosis (anticoag problems)
Tissue retained (ie post-birth after place previa)
% of 3rd trim bleeds in all pregnancies?
5%
percent of women with recurrent aboritons that also have APLA?
15
m/c 3rd trimester bleeds caused by?
AP PP, bloody show, uterine rupture, or nonobstetric causes = gen tract lesions, cervial carcinoma
why give US to mother with 3rd trimester bleeding before vag/spec exam?
to rule out PP, in which case you DON"T want to do vag/spec exam!!
In 3rd trim bleeding, what must do to rule out what immediately?
First do U/S to r/o PP. then
do vag exam to rule out LABOR or PPROM/ ROM!!
in 3rd trim bleeding due to severe PA, what do? what if fetus is term?
C-section indicated immediately
C-section indicated immediately, however if bleeding stops and fetus is ok, may do immediate vaginal deliv (if at term)
AP vs PP, which is painless?
PP
AP vs PP, which causes fetal distress?
AP
AP or PP, bleeding usually spontaneously stops in 1-2 hrs?
PP
clinical exam results for AP?
tender abd, signs of fetal distress, frequent UC's, hypertonicity
which AP or PP is dx'd via US?
PP - look for abnormally placed placenta
tx for AP vs tx for PP
AP: immediate CS (or vag deliv if fetal hr is stable)

PP: NO VAG EXAM!! for preme, observe, check fetal growth. For near term, amniocent to check fetal lung maturity and then may give steroids (betamethasone), then later deliver via CS. OR ALWAYS deliver if persistent labor (bleeding does not subside), unstable bleeding , coag defects, or preme with documented fetal lung maturity
complic's of AP vs PP
AP: hemorrhagic shock, coagulopathy (DIC), ischemia/necrosis of end organs, incraeesed recurrence rate, fetal anemia
PP: placenta accreta , vasa previa, increased risk fo congen abnorms, PPH; fetal anemia
10% of all AP's are complicated by?
DIC!!!!
up to 25% of those with prev CS who now get PP have what?
placenta accreta
in labor, when should report to hospital? (4)
if:
*contractions at least 2 every 10 minutes for at least 1 hr
*gush or continuous leakage of liquid/blood (ROM)
*significant bleeding
or
*decreased fetal movement
RF's for Preterm labor?
MAPPS
multiple gestations
abdominal surgery during preg
Previous preterm labor
Previous preterm delivery
Surgery to cervix
How to check for fetal lung maturity and surf production in ie 35 weeks PPROM?
do amniocentesis and check L/A ratio
false + nitrazine test caused by?
blood, semen, vaginitis ( all alkalinize the normally LOW pH (4.0) of vagina)
signs of false labor include?
irregular intervals and duration of UC's w/no cerv dilation
unchanged contraction intensity
lower back and abd discomfort (vs true = lower abd)
relief with sedation
tx of failure to progress through steps I or II:
rest or augment labor with oxy
amniotomy (artificial ROM)
Intrauterine pressure cath to measure force of each contraction
Attempt forceps, vacuum delivery if vertex is low enough
C-section if maternal/fetal destiress, breech, or CPD
does scalp FHR monitoring require ROM?
YES
causes of fetal tachycardia?
FFAASTT Heart:
Fetal infection
Fever (maternal)
Arrhythmia
Anemia of fetus
Sympathomimetics
Thyrotoxicosis of mother
Tachycardia of mother
Hypoxia
causes of fetal bradycardia?
Bblockers
Autoimmune disease (maternal)
Conduction system damage
Hypoxia (fetal)
In FHR monitoring what is the MOST reliable indicator of fetal wellbeing?
Beat-to-beat variability (but not easily seen on fhr pages b/c every 2-4 beats averaged and recorded as one)
What's a "reactive" tracing on a FHR monitor?
at least 2 accelerations (acc =rise of over 15 beats over baseline for at least 15 secs) during a 20 minute period;
is a sign of fetal well-being; NOT expected in preme's <28wks
cause of early decel? late? variable?
early = benign = caused by head compression/ vagal stim

late = abnormal = uteroplacental insufficiency tx is 02, lat decub position, stop oxy

variable = (abrupt, variable onset) = abnormal = due to umbilical compression; tx = amnioinfusion
when do early vs late decel's reach their nadir?
early decelerations nadir is at peak of a contraction; late = when a contraction is ending
PPH definition?
>500ml lost w/in first 24 hrs of vag delv or >1000 ml lost after CS
Top 3 causes of PPH?
Uterine Atony
Genital tract trauma
Retained Placental tissue
Uterine invesrion, rupture
Cervical carcinoma
tx of uterine atony that causes PPH
MOP ME!!
Massage uterine bimanually
Oxy
PGF2 (if no asthma or htn)
Methylergonovine Maleate (if no htn)
Empty the bladder (overdistension can prevent uterine contractions)
what may be necessary in the case of continued PPH due to placenta accreta/inreta/percreta where placental villi invade the uterine tissue?
Hysterectomy may be required as life-saving therapy!
3 m/c causes of Uterine Atony?
MOP
multiple gestations
overdistension (hydramnios, macrosomia)
prolonged labor = muscle fatigue
MgSO4, anasthesia
Infection
presentation % breakdown?
96% vertex, 3.5% breech, .3% face, .4% shoulder
hw will face presentation deliver?
normal, b/c has way of shifting positions during exit
how will brow presentation deliver?
WONT!! will never deliver b/c has largest diameter = occipitomental
true pelvis is? false?
composed of space between inlet and outlet
false = above pelvic brim (inlet)
wat is A-P diameter of outlet?
usually around 9.5-11.5 cm
when is the head engaged?
when it enters the pelvic inlet/brim
cardinal movements?
EDFIEEE
engagement
descent
flexion
internalrotation
extension
external rotation
expulsion
cause of increased fetal heart rate?
NOT USUALLY hypoxia!
usually FEVER/ fetal infection.

FFASTTH
fetal inf
fever
arrhtymia of fetus
sympathomimetics (b ags)
TC of mother
Ttoxicosis of mother
Hypoxia
greater than 6 contractions / 10 minutes for at least 2 consecutive periods?
tachysystole
tachysystole or hypertonus with associated fetal tachycardia, late decelerations, and/or loss of beat-to-beat variability ? treatment?
= hyperstimulus
i) Treatment: - Terbutaline 250 micrograms IV/IM or - MgSO4 4g load over 20 minutes followed by 2g/hr IV
normal variability is what?
6-20 bpm variation
sinusoidal hr is always a sign of?
fetal anemia
TC, loss of variation, plus late decelerations. nsim?
emergency C-section!
what is 'molding'
when cranial bones of baby overlap temporarily to help fit through canal
Schultz vs Duncan?
shiny placenta = schultz
dirty = duncan = more associated with PPH
trimesters?
1-14
15-28
29-40
1st prenatal visit?
8-10 wks
anti-D given?
28 weeks
weight gain in mother is a risk factor for?
gest dm
preeclampsia
difference between 1)menorrhagia
2)polymenorrhea
3)oligomenorrhea
4) metrorrhagia?
5) menometrorrhagia?
normal interval, but heavy menses ( too long (>7d) or excessive blood (>80ml)
2)frequent menses ie <21d intervals in between
3)menses with intervals >21 d
4) menses at irregular intervals with intermenstrual bleeding

5) heavy menses AND irregular / intermenstrual bleeding menses
for every pregnancy >20 weeks, what set of q's must be included in every history?
q's about preeclampsia!!
what % of pregnancies are complicated by asymptomatic bacteriuria?
8%!!
what are the diffeences in tx between severe and mild bacterial vaginosis?
no such thing! tx all the same
PPH with FIRM uterus?
not uterine atony; is probably genital tract laceration
For every NSIM question, what three categories must you consider?
Next Step in Management may be either: "STD"
1) Staging of disease
2) Treatment of disease
1) further Diagnostic steps to determine disease
2)
mechanism of process causing dyspnea 2 d after 18 y/o P1GO female takes AB's for pyelonephritis?
condition = ARDS
mechanism = endotoxin release by bacteria --> capillary leakage-->leakage of fluid into pulmonary interstitial space
RF's for endometrial cancer in 55 y/o with post -menopausal bleeding?
DM, HTN,long history of anovulatoin , nulliparous,
lower abd px, vag discharge, dyspareunia?
PID or salpingitis
m/c PID pathogen causing infertility?
C. trachomatis
red bulging mass noted at introitus directly after placenta is delivered?
uterine inversion!!
M/C cause of uterine inversion?
undue umbilicial traction (pulling) before placenta separates and is delivered
what are the 4 evidences of normal placental separation
1 gush of blood
2 lengthening of umb cord
3 globular/firm shape of uterus
4 uterus rises up to anterior abd wall
vaginal/cervical inversion vs. uterus inversion?
vag/cervicla will have smooth appearance; uterus will have red, bulging, shaggy appearance
abnormally prolonged 3rd stage of labor def? means what?
defined as >30minutes in 3rd stage; means placental retention
uterine inversion has what almost certain complication?
MASSIVE hemorrhage!
tx of inverted uterus?
halothane for ut relaxation and/or emergency surgery
if already separated, gloved palm may replace
2 large bore IV's b/c hemorrhage may occur!
after replacement, give oxyt
implantation site most predisposing to inverted uterus?
fundal
what type of uterus predisposes to inverted uterus?
atonic
incisions used to tx entrapped fetal head of a breech vaginal delivery?
Duhrssen's incisions think:
Duh! get the head out!