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L&D EXAM II > L&D II > Flashcards

L&D II Flashcards

1
Q

Purposes of Fetal Surveillance

How is fetus ____________ labor?
___________ status
Two approaches to intrapartum fetal monitoring
____________________________________ (low tech)
______________________ (high tech)

A

tolerating, Oxygenation, Intermittent auscultation with palpation of uterine activity, Electronic fetal monitoring - EFM

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2
Q

What are disadvantages to intermittent auscultation and palpation?

A

1-1 nursing care
Not always ideal
Can’t assess patterns of FHR variability, periodic or non-periodic changes
No permanent, documented visual record of FHR or UA

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3
Q

What type of pregnancy is appropriate for intermittent auscultation and palpation?

A

low risk, THIS IS ONLY APPROPRIATE FOR A MOM WHO IS LOW RISK (NOT FOR PRE ECLAMPSIA, GESTATIONAL HYPERTENSION ETC)

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4
Q

What is the major limitation of EFM?

A

reduced mobility

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5
Q

how is EFM used?

A

can be used intermittent (hook up every hour or every couple of hours for ~20 minutes)

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6
Q

what does an ultrasound transducer monitor?

A

fetal HR

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7
Q

What doe s toco transducer monitor? and where does it monitor it?

A

monitors contractions at fundus of uterus.

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8
Q

Where is the ultrasound transducer placed? and how is it found?

A

back of the baby, palpate using leopolds maneuver.

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9
Q

What are advantages or internal fetal monitoring?

A

Accurate FHR
Maternal position changes does not effect quality of tracing
Possibility of displaying ECG
Only true measurement of ctx
Allows for amnioinfusion

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10
Q

What are limitations of internal fetal monitoring?

A

Requires rupture of membranes
Cervix must be dilated
Improper insertion can cause trauma (vaginal lacerations, uterine perforation, placental abruption)
Presenting part must be identifiable
Increased risk of infection

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11
Q

what is required to place internal fetal monitoring?

A

ruptured membranes and cervical dilation of about 2 cm

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12
Q

what are the two internal fetal monitoring devices?

A

fetal scalp electrode
intrauterine pressure catheter

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13
Q

What helps us determine if contractions are strong enough? what do we adjust if theyre too much or inadequate?

A

intrauterine pressure catheter, adjust pitocin

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14
Q

Who places intra uterine pressure catheters? why is this? who places fetal scalp electrodes

A

physicians place IUPC (nurses can with training) -possibility for placental abruption and uterine rupture.

nurses place fetal scalp electrode.

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15
Q

how much is each little box?

A

10 seconds

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16
Q

how often do we evaluate strip if in latent stage of labor?

A

30 minutes

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17
Q

how often do we evaluate strip if she is actively pushing (unmedicated) or if she is on pitocin?

A

every 15 minutes.

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18
Q

What is normal fetal heart rate?
what is bradycardia?
what is tachycardia?

A

110-160
<110
>160

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19
Q

Variability:

absent?
minimal
moderate
marked

A

absent straight line
minimal <6 bpm
moderate 6-25 bpm
marked >25 bpm

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20
Q

What time frame is the FHR assessed over?

A

determined in a 10 minute period

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21
Q

tachycardia is typically seen in __________________________

A

maternal fever or infection

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22
Q

in order to determine a baseline rate –has to be that way for at least _________________. if you cannot get it for __________________steady, you document “indeterminant” –this is pretty rate

A

2 minutes, 2 minutes

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23
Q

what is considered the best indicator for fetal oxygenation?

A

variability in HR

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24
Q

What type of variability do we want? and why?

A

moderate variability, reliably predicts absence of fetal acedemia

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25
Q

if you have consistently absent, or minimal variablitiy –indicative of _____________________

A

lack of oxygen

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26
Q

________________can be normal response for a short period of time when o2 is interrupted –if you have is for a while it can indicate they might come out in _____________________

A

marked variability, respiratory distress

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27
Q

, THIS REQUIRES IMMEDIATE INTERVENTION AND MEANS BABY IS VERY COMPROMISED AND NEEDS TO COME OUT. IS IT SHORT LIVED OR IS IT CONSISTENT? IF IT IS CONSISTENT –NOTIFY PHYSICIAN AND GET BABY OUT

A

sinusoidal is BAD

28
Q

______________ cycles per minutes over at least 20 minutes
Regular in appearance
Intermittent or continuous with no accelerations, UA responses, fetal movement with or without stimulation
Extremely rare

A

3-5,

29
Q

Compromised fetus: ________________________________________________________________________________________________________________________________________________________________________________
Requires immediate attention
Can be a sinusoidal appearing pattern from opioid administration
Short induration and resolves

A

severe fetal anemia, twin-twin transfusion, intracranial hemorrhage, infection, hypoxia, gastroschisis, cardiac anomalies.

sinusoidal pattern

30
Q

associated with uterine contractions

A

periodic

31
Q

episodic

A

NOT associated with uterine contractions

32
Q

Acceleration desired point for greater than 32 weeks?

A

15 x 15

33
Q

Acceleration desired point for less than 32 weeks?

A

10 x 10

34
Q

accelerations are associated with?

A

fetal movement, vaginal examination, contractions, mild cord compression, breech presentation

35
Q

what is the time frame to be considered prolonged for accelerations?

A

greater than 2 minutes

36
Q

what is the time frame for a baseline change for accelerations required to be?

A

greater than 10 minutes

37
Q

if mom is coming in for a NST, where do we want their cotractions to be at ?

A

15x15

38
Q

is a great indicator to see if baby is doing well –when baby is moving ____________________ can occur –will sometimes have ___________________ during contractions

A

accelerations, accelerations

39
Q

Are early decelerations periodic or episodic? what is the onset to nadir time frame? what causes them? should we be worried about early decelerations? do position changes affect HR?

A

periodic, greater than 30 seconds, fetal head compression, not indicative of fetal compromise, position changes do not affect FHR with early decels

40
Q

Are late decels periodic or episodic? what is the onset to nadir? what causes late decels? when do they begin? when do they end? what do we do?

A

periodic. greater than 30 seconds, impaired O2 causes late decels, begin after contraction peak, return after contraction is over. requires nursing interventions

41
Q

when are late decels most concerning? what do late decelerations tell us there is a problem with?

A

if theyre recurrent. problem with placenta.

42
Q

which type of decelerations mirror contractions? is it good to be early or late?

A

early decels. always good to be early.

43
Q

When are late decels most concerning?

A

if 50% or more of contrations in 20 minutes

44
Q

Are variable decelerations periodic or episodic? what is the onset to nadir? what causes them? what do we do?

A

can be either periodic or episodic. onset to nadir is less than 30 secons with at least 15x15. caused by reduced flow through umbilical cord (compression, knot, (armpit can cut off)). might need position changes.

45
Q

are prolonged decelerations periodic or episodic? what is the time criteria for prolonged deceleration? what does prolonged deceleration indicate?

A

can be either. 2 minutes to 10 minutes from onset to return to baseline. ord prolapse.

46
Q

how are montevideo units calculated?

A

intensity minus resting tone

47
Q

where do we want resting tone to be at?

A

10 mmHg

48
Q

greater than ______ is considered hypertonus and we do not want this –means were not relaxing well

A

20-25 mmHg

49
Q

tachy systoly –more than___ contractions in a ________ period

A

5, 10 minute

50
Q

what do we want to do if there is a change in the strip?

A

assess cervical dilation

51
Q

What is the first intervention for late decelerations?

A

REPOSITION MOM, check SVE, assess

52
Q

What is the first intervention for a prolongued deceleration?

A

REPOSITION MOM, Check SVE, assess

53
Q

samples of cord blood are drawn from what first and then what?

A

artery and then vein.

54
Q

tells us status at the time of ________

will do if theyre a __________

A

cord blood sample

delivery, category III

55
Q

when should first time moms come in?

A

contractions less than 5 minutes apart for one hour

56
Q

when should multipara mothers come in?

A

when contractions are 10 minutes apart for one hour

57
Q

When should they come to the birth center?

A

Contractions regular 5 minutes apart lasting 1 minute for 1 hour

ruptured membranes -gush trickle of fluid from the vagina with or without contractions

bright red bleeding

decreased fetal movement

concerns that something may be wrong

58
Q

What are signs of impending birth?

A

grunting sounds
bearing down
urgency to push
screaming
rocking

59
Q

_________________________ amniotic fluid is concerning. ___________________________ –can indlicate coriamnioitis (infection).

A

green or meconium stained, yellow or cloudy or fould smelling

60
Q

what labs do you want to get for a mom?

A

CBC, UA, UDS, type and screen

61
Q

what size of IV do you want to get?

A

18 g

62
Q

WHAT IS THE BIGGEST NURSING INTERVENTION YOU CAN DO TO HELP LABOR PROGRESS?

A

positioning and movement every 30 minutes to 1 hr

63
Q

what are inductions associated with?

A

higher C section rate

64
Q

what is the difference between induction and augmentation? What is special about induction?

A

induction –not in labor and we schedule a time to cause her to go into labor. induction is not allowed until 39 weeks.

augmentation –patient was laboring –but then has stopped –then we give her meds to continue labor

65
Q

how long do they have to deliver after amniotomy? when will they start antibiotic ?

A

24 hours, 12 hrs

66
Q

what are induction and augmentation techniques?

A

misoprostol
balloon catheter
membrane stripping (48 hrs after done usually deliver)
hydroscopic inserts -dried seaweed or laminaria

67
Q

How is oxytocin given?

A

low and slow. 0.5 -2 milliunits/min and increase 1-2 increments q 15-40 minutes. given as a piggyback

L&D EXAM II (5 decks)

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