Pregnancy & Childbirth Flashcards

1
Q

CPR compression/breath ratio infants

A

30:2 one person rescue
15:2 two ppl rescue

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2
Q

At how many weeks does the fetus become viable to survive outside the womb?

A

26 weeks

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3
Q

Gravida vs Para

A

Gravida (get it on): total number of pregnancies (inc current)

Para (parents): number of deliveries after 20 weeks of pregnacy

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4
Q

Gestation is typically how many weeks?

A

40

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5
Q

physiologic changes in pregnancy

A

inc HR
inc BV (can bleed out more before showing signs of shock)
BP could drop slightly (esp if supine)
slower GI motility (inc risk emesis)

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6
Q

factors that contribute to a high risk pregnancy

A

age
no prenatal care
diabetes
HTN
drug/etoh abuse
smoking

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7
Q

what is supine hypotensive syndrome? what are sx and tx?

A

the fetus on the inferior vena cava causes reduced blood flow back to the heart > dec BP

mother changes BP when laying on back, lightheadedness and syncope

tx: place motheron her side and push fetus off IVC

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8
Q

def of abortion and spontaneous vs induced

A

expulsion of fetal tissue before 20th week

spontaneous: miscarriage due to natural causes
induced: purposeful termination

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9
Q

sx abortion

A

vaginal bleeding
passing of tissue
cramping
shock

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10
Q

where do 95% of ectopic pregnancies occur?

A

fallopian tube

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11
Q

signs/sx and tx ectopic pregnancy

A

abdominal pain
vaginal bleeding
shock
CMT
palpable mass

RF: PID, STI, pelvic surgery, IUD use

workup: laparoscopy (definitive), US
tx: tx for shock

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12
Q

what is placenta previa? what are signs/sx?

A

the placenta grows over or near the cervical neck

total: completely covers internal os; partial, marginal (close but doesnt cover any part)

2nd and 3rd trimester bleeding (bright red)
painless
signs of shock

dx by US

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13
Q

what is abrupto placenta? what are signs/sx?

A

previously normally implanted placenta is detached from the uterine wall after 20 wks > bleeding into the uterus

severe abdominal pain/uterine tenderness
contractions
PAINFUL vaginal bleeding that is dark (not always present)
shock (that can be out of proportion to noticable bleeding)

RF: HTN, maternal trauma, smoking, alcohol, cocaine, >35

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14
Q

what is the most common disorder of pregnancy, what causes it, and when does it develop?

A

gestational HTN (>140/90 after 20 wks); vasoconstriction > higher BP

do NOT rx ACE, propanolol, diuretics

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15
Q

what is pre-eclampsia/toxemia?

A

when HTN continues along with organ damage (CNS, pulmonary, renal) due to vasospasm and leaky capillaries

kidney effect > issues with BP regulation/water retention

usu last trimester

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16
Q

signs/sx pre-eclampsia

A

HTN 140/90
edema (hands, face, ankles, feet, pulm edema)
neuro sx (HA, visual disturbances, confusion, hyperreflexia)
HELLP syndrome (Hemolysis, Elevated Liver enzymes, Low Platelets) - can be seen without high BP too!

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17
Q

pre-eclampsia tx

A

ABCs
high flow O2
be ready for seizures
quiet transport

CCB, hydralazine

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18
Q

what is the difference between pre-eclampsia and eclampsia?

A

pre-eclampsia: dBP >90-109 + proteinuria

eclampsia: dBP > 90 with seizures

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19
Q

tx eclampsia

A

ABCs
high flow O2
protect pt from injury
rapid transport
ALS for seizure control
phenytoin

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20
Q

what is a uterine rupture? what could cause it?

A

rupture of uterus expelling all or part of fetus into abdomen

occurs during labor, at risk mothers (multiple births, previous c sections)

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21
Q

uterine rupture signs/sx and tx

A

labor pain considerably dec or stops
signs of shock
possible abnormal shaping of the abdomen

ABCs
high flow O2
tx for shock
MAST are probably harmful
rapid transport

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22
Q

changes at onset of labor

A

braxton hicks contractions change to regular contractions w dec interval

effacement: cervix thins to allow the delivery
mucus plug expelled
membrane rupture and amniotic fluid expelled

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23
Q

stages of labor

A

first stage: contractions > infant in birth canal

second: infant delivery

third: placenta delivery

fourth: post delivery contractions

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24
Q

signs of immanent childbirth

A

the need for a BM
urge to push
crowning
contractions 2 mins apart, 45 sec to 1 min in length

25
Q

APGAR Score components

A

Appearance (blue / pink)
Pulse
Grimace
Activity
Respirations

done at 1 min, 5 min, every 5 min if score <7

26
Q

what would be indications for bag valve mask or chest compressions?

A

bag valve mask: HR < 100, RR <30
CPR: HR < 60

27
Q

normal APGAR

A

7-10

28
Q

what is a breech presentation?

A

baby is positioned feet or butt first
deliverable baby unless head does not deliver quickly

29
Q

what is a prolapsed cord? what is tx?

A

cord is sticking out of vagina before head; caused by gush of amniotic fluid

attempt to slow/stop birth, position mother prone with butt elevated (knee chest position), to reduce pressure ; wait for EMS

30
Q

ddx lactation disorders

A

galactocele
lactating adenoma
pregnancy associated breast CA

31
Q

what is contraindicated in placenta previa?

A

vaginal exam (inc risk hemorrhage)

32
Q

what is postpartum hemorrhage defined as and how do you treat it?

A

> 500 mL blood loss within first 24 hour PP

tx: monitor vitals, IV oxytocin, raise legs, keep pt warm, oxygen, ER

33
Q

what is precipitous birth? what complications can arise?

A

rapid labor <3 hrs from start of contractions

inc risk hemorrhage

34
Q

at what gestational week is preterm labor?

A

20-36 weeks

35
Q

at how long is a placenta considered retained? what could a retained placenta lead to?

A

within 30 mins; will lead to hemorrhage

36
Q

tx for rh factor incompatibility

A

IM Rhogam

37
Q

what is a threatened/spontaneous abortion? when is it considered an emergency?

A

naturally occurs >20 weeks, onset usually 8-12 weeks

due to placental insufficiency in producing progesterone

if pt soaking more than 2 pads w blood per hour > ER

38
Q

what is the most common condition during pregnancy? tx?

A

UTI; amoxicillin

39
Q

when does gestational diabetes occur and why?

A

24-28 weeks
placenta produced anti-insulin factors and high maternal cortisol levels

40
Q

RF for gestational diabetes

A

> 25
fhx diabetes
PCOS
use of glucocorticoids
essential HTN

41
Q

workup for gestational diabetes

A

1 hour oral glucose tolerance test (OGTT) > 140 mg / dL

42
Q

newborn risks with gestational diabetes

A

RDS, macrosomia, inc risk open neural tube defects, neonatal hypoglycemia (give glucose at birth)

43
Q

maternal complications gestational diabetes

A

diabetes later in life

44
Q

tx gestational diabetes

A

insulin (cease after delivery)
f/u OGTT postpartum

45
Q

what are maternal infections to be aware of during pregnancy?

A

strep B
toxoplasmosis
rubella

46
Q

group B strep infxn during pregnancy; etiology and risks

A

normal strep flora in vagina
risk of vertical transmission leading to neonatal sepsis, meningitis, pneumonia, death of fetus

47
Q

group B strep infxn during pregnancy; RF

A

previous infant with GBS infxn, preterm labor <37 weeks, prolonged rupture of membranes before delivery, intrapartum maternal temp >38 C

48
Q

group B strep infxn during pregnancy; workup and tx

A

all preg pts screened at 35-37 weeks with vaginal/anorectal swabs for culture

abx for GBS prophylaxis; penicillin or clindamycin. if fever > broad spectrum abx

49
Q

toxoplasmosis etiology

A

protozoa (toxoplasma gondii) transmitted to mother through raw meat, unpasteurized goat milk, cat feces/urine (no litterbox cleaning!!)

50
Q

toxoplasmosis sx/workup

A

maternal: flu like sx
fetus: chorioretinitis/blindness, SN deafness, CNS calcification in basal ganglia, hydrocephalus, hepatosplenomegaly

serum IgM and IgG, PCR amniotic fluid

51
Q

what is gestational trophoblastic disease?

A

proliferative abnormalities of trophoblast
complete mole or partial mole

52
Q

what is a complete mole?

A

benign tumors of chorionic villus
46 XX or 46 YY where sperm fertilizes empty egg or duplication of 23 X sperm in ovum (lack of maternal chromosomes)

sx: painless bleeding in month 4/5, severe vomiting, preeclampsia, theca-lutein cysts, ovarian enlargement, no fetal HB

53
Q

what is a partial (incomplete) mole?

A

hydropic villi and focal trophoblastic hyperplasia with fetus or fetal parts, often ovum is triloid (XXY, XYY, XXX) w chromos from both parents

similar sx to threatened, spontaneous, or missed abortion

54
Q

PE/workup for complete (hydatidaform) mole

A

hCG > 100,000 IU/L
“snow storm” appearance on US (swelling of villa with no fetus)
no fetal heartbeat

55
Q

pathogenesis rubella

A

contracted via respiratory droplets and transmitted transplacentally in first trimester

56
Q

rubella sx

A

mother:
3 day rash face > trunk/extremities
low grade fever, joint pain, post auricular or occipital lymphadenopathy

fetus:
SN deafness, cataracts, thrombocytopenia
“blueberry muffin rash”
hepatomegaly
PDA

57
Q

workup and tx rubella

A

ELISA IgM 4x IgG in acute infection
MMR vaccine AFTER pregnancy (NOT during, it is live attenuated)

58
Q

toxoplasmosis tx

A

spiramycin