term1 Definition1term2 Definition2term3 Definition3
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kick counts
3rd trimester, lay on left sside and count number of movement in 1 hr
>10 is reassuring
<10 wait one hour and repeat, still <10 call provder
****not a medical protocol!!
nonstress tesst
first step in assessment of fetal well being
utilizes external doppler equipment to continously monitor fetal heart rate
oxytocin challenge test
combines NST with external tocometer allowing evaluation of fetal heart rate in response to contractions
can determine if pregnancy can continue or if fetus should be delivered
when is the oxytocin challenge test used
natural labor or prenatally with dilute infusion of oxytocin to stimulate contractions
biophysical profile
ultrasound in addition to NST
evaluates amniotic fluid volume, fetal tone, fetal activity, and fetal breathing movemtns
score of 8-10 is reassuring
top score is 10
fetal scalp electrode
used during labbor when external doppler loses it sensitivity due excessive movement of fetus or mother
monitors fetal heart rate through a small electrode attached to the fetal scalp that sense depolarization of fetal heart
membranes must be ruptured before placing electrode
intrauterine pressure catheter
measures timing and strength of contractions
threaded into uterine cavity past presenting part of fetus and requires rupture of membranes
measured in montevideo units
purpose of NST and CST
monitor fetal well being to ensure a positive outcome
questions NST and CST answer
prenatal-can this high risk pregnancy continue or should baby be delivered
delivery-should there be a c-section
trauma-can this pt be safely discharged
When is NST and CST used
prenatally w/ high risk pregnancies
post term ( 40-41 wks)
decrease in fetal movement
all pts admitted for delivery
not used before 32 weeks
after maternal trauma
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