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OB EXAM 2
exam 2 content
312
Nursing
Undergraduate 3
03/11/2012

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Cards

Term
What is the basic function of the foramen ovale, ductus venosus, and ductus arteriosus?
Definition
to bypass the fetal liver newand lungs
Term
When do alveolar ducts appear?
Definition
20-24 weeks
Term
When do alveoli form?
Definition
24-48 weeks
Term
When does surfactant begin to be produced?
Definition
28-32 weeks
Term
When does surfactant production peak?
Definition
35 weeks
Term
when does fetal breathing begin?
Definition
17-20 weeks
Term
why is fbm (fetal breathing mvmt)necessary?
Definition
-develops chest wall muscles and diaphragm
-helps regulate lung fluid volume and growth
Term
what two radical changes must happen for infant breathing to occur?
Definition
-pulmonary ventilation must be established by lung expansion
-increase in pulmonary circulation
Term
Why does the ductus venosus close?
Definition
pressure changes with cord clamp
Term
What organ is perfused when the ductus venosus closes?
Definition
liver
Term
the fetal lungs are filled with
Definition
amniotic fluid
Term
what happens to the chest during birth?
Definition
it is compressed
Term
what happens when the chest is compressed?
Definition
increased intra thoracic pressure
Term
what happens to the chest after birth?
Definition
-chest wall recoils
-negative intrathoracic pressure
-fluid replaced with air
Term
what happens to the intrathoracic pressure when a newborn exhales and cries?
Definition
-positive pressure is created
-air is distributed throughout alveoli
-fluid is absorbed by capillaries/lymphatic system
Term
what happens to intrathoracic pressure when a newborn inhales?
Definition
-pressure is negative
-lung fluid moves from alveoli to alveolar membranes to interstitial tissue
Term
when pulmonary vascular resistance decreases and pulmonary blood flow increases
Definition
more interstitial fluid is absorbed in the bloodstream
Term
cord clamping causes
Definition
cessation of placental flow
Term
cord clamping causes what chemical changes?
Definition
-increased Pco2
-decreased pH
-decreased Po2
-transitory apnea!
Term
what causes the 'initial gasp'?
Definition
transitory apnea stimulates chemoreceptors that trigger the brain's resp center
Term
what happens to baby's temp after birth?
Definition
decreases, causes chilling
Term
the cold stimulates
Definition
skin nerve endings, responds with rhythmic respirations
Term
what does detachment of the placenta do to the systemic pressure?
Definition
increases it
Term
what causes closure of the foramen ovale and the ductus arteriosus?
Definition
lungs fill with air, pulmonary pressure goes down
Term
closure of the foramen ovale is caused by
Definition
changes in atrial pressure
Term
lungs filling with air causes increased
Definition
left atrial pressure
-b/c pulmonary blood flow increases
-increased pulmonary blood return to L atrium
Term
why does R atrial pressure decrease?
Definition
-decreased pulmonary vascular resistance
-decreased umbilical venous return
Term
what happens when L atrial pressure is greater than R atrial pressure?
Definition
foramen ovale closes
Term
how does the closure of the ductus arteriosus happen?
Definition
-increased systemic vascular pressure reverses blood flow through ductus arteriosus
-blood flows from aorta into pulmonary artery
Term
how dose ductus venosus close?
Definition
-unknown
-related to mechanical pressure changes
Term
normal newborn heart rate
Definition
-120 to 160 bpm
-listen to apical pulse for 1 min
-as high as 180 at birth
Term
a murmur may indicate that
Definition
ductus arteriosus or foramen ovale did not completely close
Term
Heart rate and respiratory rate are increased during/right after
Definition
birth
Term
Normal respiratory rate
Definition
-right after birth 60-70
-2 hours after birth 30-60
Term
periodic breathing
Definition
pauses lasting 5-15 seconds
Term
is it abnormal for a baby to stop breathing for more than 20 seconds?
Definition
yes
Term
true or false: newborns have less SQ fats than adults
Definition
true
Term
true or false: Blood vessels are closer to the skin in infants
Definition
true, blood is more influenced by temp changes
Term
what does the infants flexed posture have to do with thermal regulation?
Definition
decreases SA exposed to the environment, decreases heat loss
Term
true or false: newborns have increased basal metabolic rate
Definition
true
Term
is shivering common in newborns?
Definition
no
Term
NST
Definition
non shivering thermogenesis
Term
what does NST use to provide heat?
Definition
BAT, brown adipose tissue
Term
when does BAT appear?
Definition
26-30 weeks, increases until term
Term
why does brown fat provide heat?
Definition
-quickly metabolized
-causes heat to be transferred to periphery
Term
what is the primary source of heat in the hypothermic newborn?
Definition
NST from BAT
Term
where on the body is the brown fat?
Definition
chest, back
Term
when RBC's are destroyed where is the iron content stored?
Definition
the liver
Term
if the mother had adequate iron intake, how long will the infant have enough iron?
Definition
5 months
Term
what is the main source of energy for the first 4-5 hours of life?
Definition
glucose
Term
what is bilirubin?
Definition
byproduct of hemoglobin break down
Term
unconjugated bilirubin
Definition
-fat soluble
-CANNOT be excreted
-CAN be toxic
Term
conjugated bilirubin
Definition
-non toxic
-excreted through the GI system
Term
true or false: infants have a lot of RBC's
Definition
true
Term
what happens when RBC's are destroyed
Definition
hemoglobin is released
Term
what does bilirubin normally do?
Definition
goes to the liver to bind to glycogen
Term
why can a baby get jaundice?
Definition
liver is too immature and there will be too much bili for the baby to handle and it will become jaundiced
Term
jaundice
Definition
-yellow skin
-temporary inability of the body to eliminate bilirubin
Term
what are the 2 types of jaundice?
Definition
-physiologic
-pathologic
Term
when does bilirubin peak?
Definition
peaks on days 3-5 for term infants
Term
when does physiologic jaundice appear?
Definition
24 hours after birth
Term
6 factors related to physiologic jaundice
Definition
-large amts of bili delivered to liver
-defective uptake of bili from plasma
-defective conjugation of the bili
-defect in bili excretion
-inadequate hepatic circulation
-increased re absorption of bili from the small intestine
Term
why is maintaining temp important to during physiologic jaundice?
Definition
-cold stress causes acidosis
-this causes decreased serum albumin binding sites
Term
why is it important to monitor stool during physiologic jaundice?
Definition
if not pooping, no bili excretion and can be reabsorbed
Term
why is important to encourage early feedings during physiologic jaundice?
Definition
-promotes elimination, bacterial colonization
-gives calories and protein for hepatic binding
Term
pathologic jaundice
Definition
happens WITHIN 24 hours
Term
what is the primary cause of pathologic jaundice?
Definition
hemolytic disease
Term
what happens is a mom is rh neg and her baby is rh pos?
Definition
-blood mixes
-moms RBC's treat the baby's RBC's as intruders
-can attack baby's RBC's or future pregnancy
Term
what happens is baby's RBC's are attacked?
Definition
-they will be destroyed
-baby makes more
-will become anemic bc they can only make immature RBC's
Term
what is rhogam?
Definition
can only prevent the RBC attacks
Term
when is rhogam given?
Definition
if potential mixing of mom's blood and fetal blood
-miscarriage
-unusual bleeding
-abd trauma
-28 weeks
Term
When does rhogam need to be given postpartum?
Definition
72 hours pp, if mom is rh neg and baby is rh pos
Term
what is the ABO setup?
Definition
-mother is type O, baby is A or B
-incompatibility can occur if moms serum antibodies interact with antigen on fetus' RBC's
-mom can build up A or B titers which can lead to hemolysis of newborn RBC's
Term
what is a direct coombs test?
Definition
measures if there are antibody-coated RBC’s in baby
Term
what does a positive direct coombs test indicate?
Definition
increased risk for jaundice, BAD
Term
how does phototherapy treat jaundice?
Definition
Light makes the bilirubin water soluble so body can excrete it
Term
phototherapy nursing implications
Definition
-cover eyes
-cover genitals
-reposition q2h
-monitor temp
-feed q2-3 hrs if BF, q 3 if bottlefed
Term
GI adaptations after birth
Definition
-difficulty digesting starches the first few mos
-digestion slow first few mos
-cardiac sphincter immature
-calorie intake low day 5-10
-expect some weight loss
-2-10 stool per day is normal
Term
when is meconium passed?
Definition
8-24 hours
Term
what is brick dust?
Definition
urine containing urine crystals
Term
true or false: newborns have a low GFR
Definition
true, means that are unable to dispose of water rapidly
Term
when do most newborns void?
Definition
within 24 hours
Term
how many voids should a newborn have on day 1-2?
Definition
2-6 voids
Term
After the first two days, how many voids do you see within 24 hours?
Definition
5-25 (25ml/kg/day)
Term
is pseudo menstruation normal?
Definition
yes
Term
how developed is the baby's immune system at birth?
Definition
not fully developed bc of relatively sterile womb
Term
what influences a newborns behavior?
Definition
intrauterine environment
Term
normal newborn position
Definition
flexion
Term
what does meconium look like?
Definition
black & tarry
Term
rhogam is only given to women with
Definition
neg blood
Term
what is an indirect coombs?
Definition
-checks MOM for antibodies
-if NO antibodies, give rhogam
-28 weeks is when mixing occurs
Term
bilirubin is toxic to the baby's
Definition
brain
Term
for the first 24 hours, bili level is crucial, what level indicates tx is needed?
Definition
over 12
Term
What level of bili is toxic to the baby's brain?
Definition
over 17
Term
spit up, throw up, and regurg can indicate
Definition
an overfed baby
Term
direct coombs test
Definition
checks BABY's blood for antibodies
Term
when does pseudo menstruation occur?
Definition
day 2-day 3
Term
what can indicate infxn in a baby?
Definition
hypo or hyper thermia
Term
what lab value indicates infxn?
Definition
increased igM indicates intrauterine ifxn in mom
Term
what does TORCH stand for?
Definition
toxoplasmosis
rubella
cytomegalovirus
herpes
-what baby can get from mom during delivery?
Term
brick dust usually appears in
Definition
first void
Term
what may affect a baby's ability to self quiet?
Definition
drug dependency makes them unable to self quiet
Term
true or false: babies can habituate to certain stimuli
Definition
true
Term
true or false: baby cannot distinguish between sweet and sour
Definition
false
Term
true or false: baby can distinguish his own mothers colostrum
Definition
true
Term
1st period of reactivity
Definition
birth-30 min pp, at most 2 hours
Term
period of inactivity to sleep phase
Definition
2-4 hours
Term
2nd period of reactivity
Definition
4-6 hours
Term
birth-4 hours
Definition
transition
Term
what should occur during the transition?
Definition
-maintain patent airway/stable VS
-maintain neutral thermal environment
-prevent vit k deficiency bleeding
-prevent eye infxn
-assess for nn distress
-initiate feeding
-facilitate parent/newborn attachment
Term
how do you facilitate attachment?
Definition
give the baby to the mother
Term
how can the nurse maintain the airway?
Definition
-ABC's
-drying/stimulation
-apgar scores
-cord logistics
-VS q 30 min x 2hrs or stable
-prevent heat loss
Term
what does pp admission involve?
Definition
-review prenatal/L&D
-document newborn condition
-antepartum/L&D records
-basic measurements incl gest age assessment
Term
why do babies need to recieve vitamin k?
Definition
baby's gut is sterile and therefore unable to create vitamin k, which is needed to clot
Term
when should vitamin k be given?
Definition
within the first couple hours pp
Term
normal vitamin k dose
Definition
.5-1.0 mg given IM in the vastus lateralis
Term
vitamin k side effects
Definition
pain, edema, allergic rxn possible
Term
nursing care associated with vitamin k admin
Definition
-protect from light
-monitor for SE
-give BEFORE circumcision
Term
is it ok to massage the injection site with alcohol after vit k is given?
Definition
yes
Term
when does a baby have enough flora to produce vit k?
Definition
after 24 hours
Term
why is erythromycin given?
Definition
to prevent eye infxn caused by neisseria gonorrhoeae
Term
normal erythromycin dose
Definition
.5-1 cm long ribbon strand, inner canthus along lower conjuctival surface
Term
nursing care associated with erythromycin admin
Definition
-wash hands
-DO NOT irrigate eye after its given
-observe for side effects
Term
signs of neonatal distress
Definition
-increased resp rate
-difficult resps
-chest retractions
-nasal flaring
-grunting
-grimacing
-excessive mucous
-cyanosis
-abd distention
Term
more signs of nn distress
Definition
-vomiting of bile stained material
-absence of mec within 24 hrs of birth
-absence of urin elimination within 24 hrs
-jaundice within 24 hours
-temp instability
-jittery or glucose less than 40 mg%
Term
using the bulb syringe too often can cause
Definition
edema of the nares
Term
when should the initial feed be attempted?
Definition
during 1st period of reactivity
Term
when should first bottle feeding occur?
Definition
2nd period of reactivity
Term
feeding cues
Definition
-smacking/licking lips
-opening/closing mouth
-sucking
-rooting
-fussy
-trying to position for nursing
-fidgety/squirming
-moving head frantically from side to side
-CRYING-late sign
Term
normal newborn temp
Definition
97.7 – 98.6 F
36.5-37 C
Term
normal resp rate
Definition
30-60
Term
normal HR
Definition
120-160
Term
normal weight
Definition
5#8oz-8#13oz
Term
normal color
Definition
acrocyanosis-pink
Term
nursing interventions for newborn with acute pain
Definition
swaddle, sucrose as ordered, soothing touch/voice, interventions to a minimum
Term
nursing interventions for a newborn with hypothermia?
Definition
-kangaroo care
-radian warmer
-swaddle
-hat
Term
nursing interventions for aspiration risk or ineffective clearance
Definition
-bulb suction
-position change
-suction
Term
what is TEF?
Definition
tracheal esophageal fistula, enclosure of esophagus food goes down trachea, need surgery!
Term
What is the ballard scale?
Definition
-determines true gestational age
-within 24 hours of life
Term
more creases =
Definition
more mature
Term
few creases or in top 3rd =
Definition
immature
Term
the more vernix =
Definition
more immature
Term
what is milia?
Definition
white heads, sebaceous glands
Term
what is erythema toxicum?
Definition
baby rash, allergic
Term
when does the anterior fontanelle close?
Definition
18 mos
Term
what should we assess fontanelles for?
Definition
bulging or sinking (dehydrated)
Term
when does the posterior fontanelle close?
Definition
8-12 weeks
Term
cephalohematoma
Definition
-blood between cranial bone and membrane
-doesn't cross suture line
-disappears after 2-3 weeks
-could take months
Term
caput succedaneum
Definition
-crosses suture lines
-water, swelling of the scalp
-reabsorb within 12 hours or a few days after birth
Term
what is a baby at risk for after circumcision?
Definition
-hemorrhage
-urethral damage- problems urinating
-infxn
Term
what should you monitor the baby for during circumcision?
Definition
-cold stress
-hypoglycemia
Term
nursing care associated with circumcision
Definition
-vaseline on gauze w diaper change
-do not put diaper too tight or too loose
-assess for infxn (pus, swelling, no urination)
-give analgesics if desired
Term
hypoglycemia
Definition
BS less than 40 mg/dl
Term
which babies are at risk for hypoglycemia?
Definition
-LGA's, SGA's, IUGR's
-being cold
Term
S&S of hypoglycemia
Definition
tremors, lethargy, irritability
Term
how to prevent hypoglycemia in a baby
Definition
make sure baby is fed
Term
how to control pain during a heel stick
Definition
skin to skin
Term
what is PKU?
Definition
metabolic test
Term
what does PKU test for?
Definition
-amino acid disorder that lacks ability to break down certain proteins
-causes increased phenylalanine in blood
-can lead to mental retardation
-if pos, baby should avoid phenylalanine for rest of life
Term
what should be done if a hearing test is abnormal?
Definition
-redo
-if abnormal again, see ENT
Term
tonic neck
Definition
turn neck to one side, that side remains flat (limbs), other side flexed (limbs)
Term
rooting reflex
Definition
stroke one side of lips in corner, baby will turn head to that side and open mouth
Term
moro reflex
Definition
startle reflex, sudden stimuli causes baby to lift up both arms
Term
babinski reflex
Definition
stimulation of the outside (lateral side) of the sole of the foot, then flexion
Term
sucking reflex
Definition
natural tendency to suck anything
Term
grasping reflex
Definition
put finger in baby's hand, baby will grasp it
Term
how does breast feeding lower pp blood loss?
Definition
b/c it increases oxytocin (which causes uterine contraction)
Term
what are some other benefits for mom from BF?
Definition
-saves money
-hormones released reduce stress
-increased weight loss
-decreased risk for breast/ovarian cancer
Term
benefits of BF for baby
Definition
-better GI function
-infxn protection
-less chance for ear, resp infxns
-less chance for wheezing
-reduced risk of obesity, CVD, autoimmune disorders,and DM
Term
What populations of women absolutely cannot BF?
Definition
-women with HIV
-maternal drug use
-galactosemia (glucose-like problem)
Term
potential BF contraindications
Definition
-pain
-leaking
-embarassment
-stress, causes decreased milk production
-unequal feeding responsibilities (unless pumping)
-diet restrictions (foods that make them sick)
-limited FP options (progesterone only)
-vaginal dryness bc decreased estrogen/progesterone
-medications
Term
lactogenesis
Definition
-estrogen, breast ducts proliferate
-progesterone, develop lobules/alveoli
-prolactin levels rise, prog blocks them
-after birth prog drops, milk production
Term
if there is no breast stimulation, when do prolactin levels fall?
Definition
day 3-4
Term
colostrum
Definition
-first 24-72 hours
-immune factors
-laxative
-bilirubin
Term
transitional milk
Definition
-2 days is early
-usually 3rd-5th day
Term
mature milk
Definition
-more fat
-changes in response to baby's growth
Term
true or false: total number of feeds more important than interval
Definition
true
Term
true or false: as baby gets older it provides less active cues that its hungry
Definition
false, it provides MORE active cues
Term
what does LATCH stand for?
Definition
-breastfeeding assessment tool
L-latch
A-audible swallowing
T-type of nipple
C-comfort (breast/nipple)
H-hold (positioning)
Term
signs of poor latching
Definition
-upper and lower lips touching
-sunken cheeks
-clicking sounds (broken suction)
-tongue not visible below nipple when lower lip is pulled down
-creased nipple following feed
Term
tx of engorgment
Definition
-cool compress
-frequent feedings
-massages
-frequent warm showers
-OTC meds
Term
how many feedings should happen in 24 hours?
Definition
8
Term
signs of successful BF
Definition
-swallowing sound
-8 feeds/24 hrs
-breasts soften after feeding
-no. of wet diapers increases daily till 4th or 5th day
-6-8 wet diapers per day by 5th day
-stool begin to lighten by 3rd day
-yellow stools by day 5
Term
pre conceptual folic acid recommendation
Definition
400-800 mcg/day
Term
what happens to uterine mass during pregnancy?
Definition
increases due to cell hypertrophy
Term
what causes the increase in normal vaginal discharge during pregnancy?
Definition
estrogen stimulates glandular tissue in the cervix
Term
how do the ovaries manage the endometrium until the placenta takes over?
Definition
secrete HcG to maintain the corpus luteum which secretes progesterone to maintain endometrium
Term
what happens to the vagina during pregnancy?
Definition
-hyperplasia of epithelium
-hypertrophy
-increased vascularity
-thickened mucosa
-increased/acidic secretions
Term
what are some breast changes that occur during pregnancy?
Definition
-increased sensitivity
-increased vascularity
-estrogen/prog cause hypertrophy and hyperplasia for lactation
-striae
-colostrum (as early as 12 wks)
Term
is pulmonary function impaired during pregnancy?
Definition
no
Term
why might a pregnancy woman feel SOB?
Definition
during 3rd trimester, uterus pushes against diaphragm/lungs
Term
how does the4 growing uterus displace the heart?
Definition
up and left
Term
what happens to cardiac output during pregnancy?
Definition
-increases 30-50% by 30 wks
-works harder, more effective, increased blood volume
Term
why might pulse increase 10-15 bpm from the baseline during pregnancy?
Definition
due to increased blood volume
Term
what happens to systemic and pulmonary vascular resistance during pregnancy?
Definition
decreases
Term
increased blood volume during pregnancy is secondary to
Definition
increased plasma and RBC mass
Term
what is physiologic anemia?
Definition
-due to increase in plasma & RBC mass
-30-34 wks peak
Term
what does a decrease in systemic vascular resistance cause?
Definition
decreased BP
Term
why does cardiac output increase during pregnancy?
Definition
mom's and baby's oxygen demands increase
Term
what is supine hypotensive syndrome?
Definition
uterus compresses vena cava, decreased blood flow back to the heart causing hypotension
Term
is systolic mumur common in pregnant women?
Definition
yes
Term
when is BP the lowest during pregnancy?
Definition
2nd trimester
Term
when does BP begin to increase during pregnancy?
Definition
3rd trimester, normal by term
Term
normal WBC
Definition
5-12k
Term
normal WBC in L&D
Definition
up to 25k
Term
why is pregnancy a hypercoagulable state?
Definition
b/c some clotting factors are increased during pregnancy
Term
why are pregnant women at risk for venous thrombosis?
Definition
-venous stasis
-hypercoagulable state
Term
how does pregnancy effect BMR?
Definition
increases 20-25% bc of increased work load
Term
is water retention normal during pregnancy?
Definition
yes
Term
why is the pancreas stressed during pregnancy?
Definition
bc of increased insulin needs, deficiency =gest. diabetes
Term
why might one notice thyroid size increase during pregnancy?
Definition
hyperplasia and increased vascularity cause increased thyroid size
Term
why is the pituitary gland enlarged during pregnancy?
Definition
-anterior pituitary causes 10x rise in prolactin
-posterior pituitary produces oxytocin
Term
common GI changes during pregnancy
Definition
-slow motility
-displaced intestines
-decreased cardiac sphincter tone
-slow gastric emptying
-slow gallbladder emptying
Term
what problem could slowed gastric emptying cause?
Definition
gallstones
Term
would eating small frequent meals be beneficial to the pregnant woman?
Definition
yes, q 2-3 hrs
Term
what are accupressure wristbands?
Definition
help relieve nausea early on in pregnancy
Term
when should iron and prenatal vitamins be temporarily stopped?
Definition
if the woman is experiencing nausea
Term
what vitamin can help with nausea?
Definition
B6, 25 mg TID
Term
what foods can help with nausea?
Definition
-carbonated drinks
-complex carbs
-low fat, high protein
Term
cutting back on what type of food can help decrease pytalism in pregnancy?
Definition
starches
Term
what happens to the bladder during the first trimester?
Definition
it is crowded by the uterus
Term
what happens to the bladder during the 3rd trimester?
Definition
presenting part crowds the bladder
Term
why is there an increased risk for renal/urinary infection during pregnancy?
Definition
-pressure on the bladder causing impaired flow
-fetus & progesterone causes dilated kidneys and ureters which causes URINARY STASIS
Term
what are some renal/urinary changes during pregnancy?
Definition
-muscle tone relaxation
-ureters elongate causing prolonged time for urine to reach bladder = urine stasis
-urine stasis = increased risk for UTI
Term
chloasma
Definition
face during pregnancy, darkened skin on forehead, nose, and cheeks
Term
linea nigra
Definition
dark line along belly
Term
Striae gravidarum
Definition
stretch marks
Term
Palmar erythema
Definition
blotches over palms, due to increased estrogen
Term
how does posture change during pregnancy?
Definition
lordosis increases throughout pregnancy
Term
what is round ligament pain?
Definition
a short stabbing sensation in the abdomen
Term
why should on hip be elevated when lying down?
Definition
to prevent vena cava compression
Term
how to determine EDC
Definition
nagele's rule
LMP minus 3 mos plus 7 days
Term
when to use ultrasound to determine gestational age
Definition
-hx of irregular cycles
-recent contraceptive use
-breastfeeding women
-recent loss/abortion
-client whose exam is way different than expected LMP
Term
what is level 2 ultra sound?
Definition
A Level 2 Ultrasound is a more detailed ultrasound than the standard ultrasound
Term
pregnancy length
Definition
9 months, 40 weeks, 280 days
Term
first trimester length
Definition
up to 11 wks 6 days
Term
second trimester length
Definition
12 wks to 27 wks 6 days
Term
third trimester
Definition
28 wks- delivery
Term
what is G/PTAL?
Definition
gravida
parity (birth > 20 wks)
term (> 37 wks)
preterm
abort
living child
Term
routine labs for pregnant women
Definition
-CBC w/pltlts
-U/A w/culture
-rh type/antibody screen
-rubella status
-hep b status
-HIV
-syphillis
-pap smear
-GC/CT
Term
labs to test pregnant women for infxn
Definition
-TB
-toxoplasmosis
-hep c antibodies
-varicella
-BV (bacterial vaginosis)
-HIV
Term
labs to test for heritable disorders
Definition
-ashkenazi jew panel
-cys fib
-hgb electrophoresis (evaluates diff types of hgb)
Term
if HIV status is unknown at birth, can the newborn be tested?
Definition
-unless mom refuses
-rapid HIV test
Term
danger signs in pregnancy to be reported by client
Definition
-sudden gush of fluid from vagina
-vaginal bleeding
-abd pain
-temp of 101 and chills
-dizziness
-blurry/double vision/seeing spots
-swelling of hands/feet
-persistent vomiting
-decreased urine output
Term
what should be reviewed at every ap visit?
Definition
-nutrition, exercise, weight gain
-how to contact provider
-danger signs
-OTC
-normal pregnancy changes
Term
objective data gathered at AP visit
Definition
-urine dip for protein and glucose
-weight
-FHT
-fundal height
Term
when is down syndrome screen done?
Definition
-1st trimester
-11-14 wks
-elective
Term
when is an ultra sound done to look at fetal anatomy?
Definition
-2nd trimester
-18-20 wks
Term
when is a triple screen done?
Definition
-2nd trimester
-14-20 wks
-elective
Term
what are the 28 week labs?
Definition
-done in 3rd trimester
-repeat cbc w/platelets
-repeat syphillis
-gestational diabetes screen
Term
When is GBBS testing done?
Definition
35-37 weeks
Term
what can GBBS do to a baby?
Definition
-cause septic shock
-die or cerebral palsy
Term
risk factors for GBBS
Definition
-hx of baby with GBBS
-hx of her having GBBS
Term
2 diff onsets of GBBS
Definition
early- birth-48 hrs
late- a week or 2 after birth
Term
if a woman is positive for GBBS, when and how is she treated?
Definition
-during labor
-2 IV doses of ampicillin
Term
what types of vaccines cannot be given during pregnancy?
Definition
LIVE
-BCG
-MMR
-Varicella
Term
what indicates special assessments are needed?
Definition
-AMA (>35)
-decreased fetal mvmt
-abd trauma
-high risk med condition
-IUGR/macrosomia
Term
what are specialized assessments?
Definition
-NST
-AFI
-BPP
-CST
Term
nuchal translucency
Definition
-optional
-look at baby's neck to see if abnormal, 1st trimester
Term
fetal movement is the most accurate way to determine
Definition
fetal well being
Term
1st trimester weight gain
Definition
3.5-5 lb
Term
2nd trimester weight gain
Definition
1lb per week
Term
3rd trimester weight gain
Definition
1lb per week
Term
recommended pregnant caloric intake
Definition
300 cals above pre-preg cals
Term
recommended caloric intake for lactating mothers
Definition
500 cals above pre-preg cal intake
Term
why is calcium needed during pregnancy?
Definition
helps mineralize fetal bones and teeth
Term
how much calcium is needed during pregnancy?
Definition
-1300mg if less than 19
-1000mg if over 19
Term
why is folic necessary during pregnancy?
Definition
decreases neural tube defects
Term
how much folic acid should be taken during pregnancy?
Definition
400 mcg/day
Term
why is iron necessary during pregnancy?
Definition
-fetal & placental growth
-increases maternal blood volume
Term
how much iron should pregnant women take?
Definition
need additional 30-60 mg per day
Term
food cautions
Definition
-mercury
-salmonella
-listeria
Term
inadequate intake of iron can contribute to
Definition
HTN & preeclampsia
Term
inadequate calcium can contribute to
Definition
HTN, PTD, LBW
Term
when are fetal kick counts usually done?
Definition
3rd trimester, 32-36 wks
Term
when is NST done?
Definition
low risk 36 wks
high risk 34 wks
Term
what do accelerations during an NST imply?
Definition
intact CNS
Term
are decelerations during an NST ok?
Definition
NO, decelerations of a min or more are very bad!
Term
instead of using 15x15 count, what is used for less than 32 wks?
Definition
10x10
Term
beta HCG increases with
Definition
gestations
Term
molar pregnancy is indicated by
Definition
4x the normal beta HCG levels
Term
are molar pregnancies viable?
Definition
NO, DNC to remove
Term
how can molar pregnancies become dangerous?
Definition
can become choriocarcinoma
Term
after molar pregnancy, can a woman get pregnant again?
Definition
not for a year, monitor HCG for 1 year, chest x ray every month
Term
how is pregnancy confirmed?
Definition
blood test & u/s
Term
how are the contractions caused during a CST?
Definition
-pitocin (more control)
-nipple stimulation
Term
during a CST, how many contractions happen?
Definition
3 contractions in a 10 min window
Term
what does a positive CST indicate?
Definition
bad because late decelerations tell us fetus won't be able handle labor
Term
if there is a positive CST and a baby is over 32 weeks, what happens next?
Definition
c section
Term
when is a CST done?
Definition
if failed NST
Term
what is a negative CST?
Definition
see accelerations, no deccelerations
Term
since CST is rarely done, what is done instead?
Definition
biophysical profile (BPP)
Term
what does BPP look at?
Definition
-HR
-muscle tone
-breathing
-movement
-amniotic fluid
Term
when is a BPP indicated?
Definition
-decreased fetal mvmt.
-nonreactive NST
-IUGR
-SGA
-PTL
-preeclampsia
-gest. diabetes
-premature ROM
Term
BPP top value
Definition
10
Term
what is AFI?
Definition
-amniotic fluid index
-pocket of fluid, measure it
Term
quad screen aka
Definition
maternal serum alpha fetoprotein
Term
what does the quad screen screen for?
Definition
-NTD's
-trisomy 18
-trisomy 21
Term
when is the quad screen done?
Definition
-15-22 wks
-most accurate @ 15-16 wks
Term
what is amniocentesis used for?
Definition
detection of genetic, metabolic, DNA abnormalities & lung maturity (3rd tri)
Term
who is offered amniocentesis?
Definition
-high risk
-AMA
Term
when is amniocentesis done?
Definition
-1st tri
-early as possible (need fluid build up)
Term
chronic villus sampling (CVS) is done to detect
Definition
genetic, metabolic, DNA abnormalities
Term
what can't CVS detect?
Definition
NTD's
Term
when is CVS offered?
Definition
10-12 wks
Term
which is available earlier, CVS or amnio?
Definition
CVS
Term
risks during CVS
Definition
-limb reduction
-miscarriage (causes her to go into labor)
-bleeding
-infxn
-injury to fetus
Term
what determines PTL?
Definition
-FFN
-cervical length & os
Term
what does positive FFN indicate?
Definition
indicates PTL within 2 weeks
Term
what does a good L/S ratio and a positive PG indicate?
Definition
mature lungs
Term
when are lungs usually mature?
Definition
35 weeks
Term
nursing care for amnio
Definition
-have pt empty bladder
-if not, poor visualization
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