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58 Cards in this Set

  • Front
  • Back
Reasons for antepartal fetal assessment
detect congenital anomolies
evaluate condition of the fetus
*amneocentesis
*ultrasonography
Ultrasonography
projected through the abdomen or vagina
2 dimensional images showing sturctures of different densities
3 levels of Obstetric Ultrssound
Basic
Comprehensive
Limited
Basic Ultrasound
general survery of the fetus, placenta and amniotic fluid quantity
Comprehensive Ultrasound
"extended"
ordered if abnoralities are found
targets the questionable findings
BPP
Bio-phsical Profile
FHR
fetal breathing
movements
gross fetal movement
fetal muscle tone
amniotic fluid volume
Amniotic Fluid Volume
> 10 = reassuring
< 5 = oligohydramnios
Hematopoetic System changes
Hg level of 10.5 g/dl
Hct of 33%
500 mL max normal blood loss during vaginal birth
clotting factors are elevated
Fetal Placental Circulation
exchange hapens during the interval of contractions
usually has enough on reserve
Fetal Protective Mechanisms
Fetal Hg
High Hg and HCT levels
high cardiac output
Cardiovascular Fetal Changes
110-160 bpm
Pulmonary Fetal Changes
production of fetal lung fluid decreases, absorption into lungs increases
Catecholamines
Epi and NE
stimulate cardiac contraction
quicken clearance of lung fluid
temperature regulation
Powers
Contraction
maternal pushing efforts
Passage
maternal pelvis and soft tissues
-softening of the cartilage linking
Passenger
Fetal head
Biparietal diameter
9.5 cm in a term fetus
Normal fetal attitude
FLEXION
head towards chest
arms and legs over thorax
back is curved in c shape
Presenting part
the part that first enters the pelvis
CEpahlic, Breech, Shoulder
CEphalic Presentation VAriations
Vertex- MIlitary- brow- face
Breech position
buttocks enter first
- Frank
- Full
-Footling
Shoulder Presentation
C-section is necessary
Occiput
vertex position
Chin
reference point in a face presentation
Sacrum
used for breech presentations
Onset of Labor
Increases in:
- Prostaglandin
-Oxytocin
- Oxytocin Receptors
- stretching pressure, irritation of the uterus
Braxton HIcks COntraction
contractions become more noticeable and painful
keep you up at night...
Lightening
breathing more easliy once the fetus drops toward the pelvic inlet
urination increases
Cervix
softens by Relaxin
increased water content
Bloody Show
mix of thick mucus and pink or dark brown blood--expulsion of mucous plug
small weight loos before labor
2.2-6.6 kg or 1-3 lbs
True Labor
contractions cause progressive change in the cervix
increase in effacement and dilation occurs
First Stage of Labor
Effacement & Dilation
onset of contractions-->complete dilation
Longest
Active Phase
dilates 1 cm / hour
Latent Phase
first 3 cm of cervical dilation
long
unnoticed
effacement
fetal position change
discomfort in back
Active Phase
pace of labor increases
4-7 cm dilated
fetus descends and internal rotation occurs
Transition phase
8-10 cm dilated
strong contractions
Second Stage ( Expulsion)
"labor"
Third STage ( Placental)
Schultz Mechanism- shiny, fetal side presents first
Duncan mechanism- rough/ maternal side first
FOurth Stage
physical recovery
Abortion
before 20 weeks
Nursing During admission
establish therapeutic relationship
assess condition of mom and fetus
Reassuring FHR
11o-160 bpm
regular rhythym
accelerations present
absence of decelerations
Mom's VItals
BP 140/90= hypertension
Temp aboce 38 C = infection
Fetal Assessment
FHR
COlor and odor of amniotic fluid
time of rupture of membranes
Labor Status
Contractions ( palpation)
dilation, effacement, fetal station and position ( vaginal)
Lab Tests often used
Hematocrit
Urine- protein and glucose levels
prolapsed cord
compression and interruption of blood flow through
normal amniotic fluid
clear with bits of vernix ( creamy white fetal skin lubricant)
Cloudy, yellow amnitoic fluid
foul-smelling
infection
Green Amniotic fluid
fetus passed meconium before birth
Amniotic quanityt
> 1000 mL = large
500-1000 moderate
trickle= scant
INtake and output
suprapubic area palpated every 2 hours
Reduce fetal oxygen, nutrient and waste exchange
maternal hypo/hypertension
maternal fever
strong and long contractions
compression of umbilical cord
Nursing Responsibilities
promote normal placental function
observe for and report problems to the physician
Maternal positioning
primary measure to promote placental function during normal labor
Urge to push
cervix is fully dilated
effaced
fetus descends to 1+ station and internally rotates
pushing against a cervix complications
edematous cervix
lacerated cervix