Test 5 Flashcards

1
Q

life or well-being of the mother or infant is jeopardized by a biophysical or psychosocial disorder coincidental w/ or unique to pregnancy

A

high risk pregnancy

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2
Q

the goal is to determine whether the intrauterine environment continues to support the fetus

A

Electronic fetal monitoring

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3
Q

Types of electronic fetal monitoring (3)

A

Nonstress test
Vibroacoustic stimulation (VAS)
Contraction Stress Test (CST)

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4
Q

prenatal test used to check on a baby’s health; baby’s heart rate is monitored to see how it responds to the baby’s movement

A

Non-Stress Test

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5
Q

How Nonstress test is performed (3)

A

-Woman is seated in a recliner in semi-fowlers
-FHR is recorded w/ a Doppler transducer
-Tocodynamometer is applied to detect uterine contractions or fetal movements

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6
Q

what is considered a “reactive” NST (2)

A

Gestation > 32 weeks: 2 accelerations lasting 15 sec each within a 20 min window
Gestation <32 weeks: 2 accelerations lasting 10 sec each within a 20 min window

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7
Q

NST results and meaning

A

reactive: normal/good
nonreactive: requires further evaluation

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8
Q

Nonreactive NST:

A

if there’s no activity for 40 min or more, get provider

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9
Q

common for NST to take up to ______ to determine results

A

20 minutes

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10
Q

Reasons to do NST based on term: (2)

A

1st-2nd tri: after diagnosis of fetal anomalies
3rd: determine whether the intrauterine environment continues to support the fetus

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11
Q

Patients that are recommended for NST: (6)

A

Chromosomal abnormalities
Intrauterine growth restriction
Poorly controlled maternal DM
Hemorrhage/Risk of hemorrhage
Fetal congenital abnormalities
Maternal Heart disorders

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12
Q

Buzzer placed on stomach –> see if baby reacts on monitor to buzzer

A

Vibroacoustic stimulation (VAS)

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13
Q

Procedure done one of two ways:
-Nipple-stimulated ___________
-Oxytocin-Stimulated ___________

A

contraction stress test (CST)

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14
Q

Contraction Stress Test interpretations: (2)

A

Negative: desired
Positive: Late FHR decelerations are present

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15
Q

Obtains amniotic fluid to test for potential complications

A

amniocentesis

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16
Q

who would be offered an amniocentesis (4)

A

Older mom
Genetic concerns
Fetal maturity
Fetal hemolytic disease

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17
Q

Why are amniocentesis done? (3)

A
  • Prenatal diagnosis of genetic disorders/ congenital anomalies (neural tube defects)
  • Assessment of pulmonary maturity
  • Diagnosis of fetal hemolytic disease (rare)
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18
Q

used to monitor fetus in pregnancies complicated by conditions that may affect oxygenation

A

Daily fetal movement count (DFMC)
AKA: Fetal Kick Counts

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19
Q

Why do parents do DFMC (FKC)

A

Used to monitor the fetus in pregnancies complicated by conditions that may affect fetal oxygenation

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20
Q

How do parents do DFMC (FKC)

A

-Count of fewer than 3 kicks in 1 hour warrants further evaluation by a nonstress test
-Tell patient 3 kicks/1hr is an AVERAGE
(Baby can kick more during certain times of day so important to use average)

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21
Q

considered to be the most valuable diagnostic tool used in obstetrics

A

ultrasounography

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22
Q

two routes of ultrasounds

A

abdominal
transvaginal

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23
Q

three levels of ultrasound

A

Standard (basic)
Limited
Specialized (targeted

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24
Q

why are ultrasounds done

A

Fetal heart activity
Gestational age
Fetal growth
Fetal anatomy

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25
primary use of ultrasound:
establish gestational age & predict due date of birth
26
secondary use of ultrasound: (3)
monitor structural development, monitor heart rate detect deformities
27
high risk indications of ultrasound (3)
-Fetal genetic disorders and physical anomalies such as Down's (Nuchal translucency (NT) screening) -Placental position and function -Adjunct to other invasive tests (Amniocentesis risks are reduced w/ use of ultrasound)
28
what is measured in a biophysical profile
-Fetal breathing movements -Gross body movements -Fetal tone -Reactive fetal heart rate -Qualitative amniotic fluid volume
29
Biophysical profile: Normal score (2) -Fetal breathing movements -Gross body movements -Fetal tone -Reactive fetal heart rate -Qualitative amniotic fluid volume
-Fetal breathing movements: 1 or more episodes in 30 min each lasting 30 sec or more -Gross body movements: three or more discrete body/limb movements in 30 min -Fetal tone: 1 or more episodes of active extension w/ return to flexion of limbs or trunk (including hands) -Reactive fetal heart rate: 2 or more episodes of acceleration in 20 min each lasting 15 sec or more and associated w/ fetal movement (15 bpm or more) -Qualitative amniotic fluid volume: 1 or more pockets of fluid measuring > 1cm in 2 perpendicular planes
30
Biophysical profile: abnormal score (0) -Fetal breathing movements -Gross body movements -Fetal tone -Reactive fetal heart rate -Qualitative amniotic fluid volume
-Fetal breathing movements: absent or no episodes 30 sec or more in 30 mins -Gross body movements: less than 3 episodes of body/limb movement in 30 sec -Fetal tone: slow extension w/ return to flexion, movement of limb in full extension, or fetal movement absent -Reactive fetal heart rate: < 2 episodes of accelerations or acceleration of <15bpm in 20 mins -Qualitative amniotic fluid volume: pockets absent or pocket < 1 cm in 2 perpendicular planes
31
Biophysical profile score: -Normal -Equivocal -Abnormal
-Normal: 8-10 -Equivocal: 6 -Abnormal: <4
32
Biophysical profile score 8-10 means:
CNS is functional & fetus is not hypoxemia
33
Biophysical profile score <4 means:
along w/ oligohydramnio --> labor induction
34
disorder of amniotic fluid resulting in decreased amniotic fluid volume for gestational age
Oligohydramnio
35
Biophysical profile done for ________ pregnancies, including: (4)
High risk pregnancies -Asthma -Post dates -Previous stillbirth -Decreased fetal movement
36
Modified BPP Includes a combination of: (2) How often are they done? Predictive of:
Nonstress test (NST): twice a week Amniotic fluid index (AFI): once a week Predictive of fetal well being for 72 hours
37
Gestational Hypertension
onset of hypertension w/o proteinuria or other systemic findings diagnostic for preeclampsia after 20 weeks of pregnancy; BP at or greater than 140/90 resolves after giving birth
38
Chronic Hypertension
hypertension present before pregnancy or diagnosed before 20 weeks gestation
39
Chronic hypertension w/ superimposed preeclampsia
women w/ chronic hypertension may acquire preeclampsia or eclampsia Difficult to diagnose
40
Chronic hypertension w/ superimposed preeclampsia Treatment (ideally & high risk)
Ideally, management of chronic hypertension begins before conception □ Lifestyle modifications: □ Smoking/alcohol cessation □ Exercise □ Weight loss High risk management: □ Antihypertensive medications □ Frequent assessments of maternal and fetal well-being
41
How to take an accurate BP for hypertensive women
Manual BP ALWAYS
42
Pre-Eclampsia w/o severe features:
-hypertension w/o proteinuria w/ systemic findings -develops after 20 weeks of gestation in a previously normotensive women -can also develop for the first time during the postpartum period
43
Pre-Eclampsia w/o severe features: Systemic findings (5)
Thrombocytopenia Impaired liver function New-onset renal insufficiency Pulmonary edema New-onset cerebral or visual disturbances
44
Pre-Eclampsia w/o severe features: Goals (2)
Ensure maternal safety Deliver a healthy newborn as close to term as possible
45
Pre-Eclampsia w/o severe features: Treatment (5)
-Waiting game- reduce risks to keep baby in as long as medically safe -Outpatient management usually possible -Laboratory evaluation -Fetal evaluation -Activity restriction (No evidence that bedrest improves outcomes)
46
Pre-eclampsia w/ severe features (3)
-hypertension w/ proteinuria & systemic findings -develops after 20 weeks of gestation in a previously normotensive women -can also develop for the first time during the postpartum period
47
Pre-eclampsia w/ severe features: Goals (2)
-Ensure maternal safety -Formulate a plan for delivery
48
Pre-eclampsia w/ severe features: Treatment (5)
-Magnesium Sulfate (med of choice) -Continuous FHR and uterine contraction monitoring -Bed rest w/ side rails ups -Calm environment: dark room, quiet -Assess for s/s of placental abruption
49
Pre-eclampsia w/ severe features: Risk factors (6)
Multifetal gestation History of preeclampsia Chronic hypertension Preexisting diabetes and/or thrombophilia Women w/ limited sperm exposure w/ the same partner Paternal factors
50
Pre-eclampsia w/ severe features: Cause (6)
Unknown Current thought: -Inadequate vascular remodeling -> -Decreased placental perfusion and hypoxia-> -Endothelial cell dysfunction-> -Vasospasm, increased peripheral resistance, increased endothelial cell permeability -> -Decreased tissue perfusion
51
Pre-eclampsia w/ severe features: Nursing interventions (3+)
Control BP: antihypertensive medications for BP exceeding 160/110 Postpartum care: -vitals, DTRs, LOC -Magnesium sulfate infusion is continued after birth for seizure prophylaxis as ordered (usually 24 hours) Future health care: increased risk of developing preeclampsia in future as well as chronic hypertension and cardiovascular disease
52
Pre-eclampsia w/ severe features: Neonatal concerns (2)
Fetal growth restrictions Fetal demise
53
Pre-eclampsia w/ severe features: Care management (3)
Identify and prevent -No reliable test/screening have been developed -Low-dose aspirin (81mg/day) may help certain high-risk women -NO NSAIDS
54
Pre-eclampsia w/ severe features: assessment (5)
-Accurately measure BP (manual) -Assess edema -Deep tendon reflexes -Assess for hyperactive reflexes (clonus) -Proteinuria
55
Proteinuria is ideally determined by evaluation of:
24 hour urine collection
56
s/s of severe preeclampsia (4)
Headaches Epigastric pain RUQ abdominal pain Visual disturbances
57
medication of choice for preventing and treating seizure activity and preventing labor
magnesium sulfate
58
Mag Sulfate: administration (2)
-Administer intravenously as a secondary infusion (piggyback) by a volumetric infusion pump -Initial loading dose --> continuous maintenance dose
59
Mag sulfate: nursing interventions: (3)
-Monitor output- mag excreted through urine -Monitor for magnesium toxicity (renal function decline) Blood draws -Monitor EKG & respiratory status
60
Mag Sulfate: toxicity cure
Calcium gluconate
61
Mag Sulfate: Common side effects (4)
-Feeling of warmth -Flushing -Diaphoresis -Burning at IV site
62
Mag Sulfate: Toxicity s/s (3)
-Absent deep tendon reflexes -Decreased respiratory rate -Decreased LOC
63
Pre-eclampsia: Paternal factor (2)
-men who have fathered a preeclamptic pregnancy are ~2x likely to father another preeclamptic pregnancy w/ a different women -Regardless of whether the new partner has a history of a preeclamptic pregnancy
64
Eclampsia
-onset of seizure activity or coma in women w/ preeclampsia -No history of preexisting (seizure-related) pathology
65
Women can develop eclampsia in the ___________ period
immediate postpartum
66
Eclampsia interventions (3+)
-Premonitory s/s □ Persistent headache and blurred vision □ Epigastric or RUQ pain □ Altered mental status -Convulsions can also appear w/o warning -Immediate care □ Ensure patent airway and client safety □ Note the time of onset and duration of the seizure □ Call for help but remain at the bedside
67
HELLP syndrome stand for:
(H)emolysis [E]levated (L)iver enzymes (L)ow (P)latelets
68
HELLP: dx (3)
-Laboratory diagnosis for a variant of preeclampsia that involves hepatic dysfunction -Can develop in women who do not have hypertension or proteinuria □ Often misdiagnosed -Result of arteriolar vasospasm, endothelial cell dysfunction w/ fibrin deposits, and adherence of platelets in blood vessels
69
HELLP: s/s (4)
History of malaise Influenza-like symptoms Epigastric or RUQ abdominal pain S/s worse at night and improve during the daytime
70
HELLP: treatment & cure
T: beta blockers C: delivery
71
HELLP: risks (2)
-Perinatal mortality rate ranges from 7.4-34% w/ a maternal mortality rate of ~1% -Severe risks for bleeding/going into DIC
72
type of gestational trophoblastic disease; benign proliferative growth of the placental trophoblast in which the chorionic villi develop into edematous, cystic, avascular transparent vesicles that hang in a grapelike cluster
Hydatidiform mole (molar pregnancy)
73
types of Hydatidiform mole (molar pregnancies) (2)
Complete: no embryonic or fetal parts Partial: often have embryonic or fetal parts and an amniotic sac
74
Hydatidiform mole (molar pregnancy) dx (2)
-Transvaginal ultrasound -HIIIIGH serum hCG levels
75
Hydatidiform mole (molar pregnancy): Nursing care management (3)
-Most moles abort spontaneously -Suction curettage can safely be used -Follow up care: monitor beta-hCG levels
76
Hydatidiform mole (molar pregnancy) Patient teaching
-Should not get pregnancy for at least one year (HIGH risk for uterine cancer)
77
fertilized ovum is implanted outside uterine cavity
Ectopic pregnancy (tubal pregnancy)
78
Ectopic pregnancy (tubal pregnancy): s/s (3)
-Abdominal pain -Delayed menses -Abnormal vaginal bleeding
79
Ectopic pregnancy (tubal pregnancy) Dx (2)
-Quantitative HcG levels -Transvaginal ultrasound
80
Ectopic pregnancy (tubal pregnancy): tx (3)
-Meds used: Methotrexate -Surgical depends on location -Follow up care
81
placenta implanted in lower uterine segment near or over internal cervical OS
Placenta previa
82
Degree to which the internal cervical OS is covered by placenta used to classify three types
-Complete -Marginal -Low-lying
83
Placenta previa: risk factors (5)
-Previous c-section birth -Advanced maternal age (>35 -40) -Multiparity -History of prior suction curettage -Living at a higher altitude smoking
84
Placenta previa: classic s/s (3)
-Painless, bright red vaginal bleeding during second or third trimester -Most cases are diagnosed by ultrasound before significant vaginal bleeding occurs -Abdominal examination usually reveals a soft, relaxed, nontender uterus with normal tone
85
Placenta previa: maternal and fetal outcomes (5)
-Major complication is hemorrhage -Morbidly adherent placenta, an abnormally firm placental attachment -Surgery-related trauma (most deliver by c-section) -Preterm birth -Intrauterine growth restriction (IUGR)
86
Placenta Previa: management (6)
-Monitor- contraction and FHR -Less than 34 weeks: antenatal corticosteroids -Vaginal bleeding preceded by or associated w/ uterine contractions: tocolytic medications (mag sulfate) -Modified bed rest -No vaginal/rectal exams -No intercourse
87
placenta partly or completely separates from the inner wall of the uterus before delivery ○ Decrease or block the baby's supply of oxygen and nutrients ○ Cause heavy bleeding in the mother
Placental abruption
88
Placental abruption R/F (5)
High blood pressure Trauma Cigarette smoking Previous abruption Cocaine use
89
Placental abruption S/S (5)
Severe abdominal pain Vaginal bleeding (may be little to none) Back pain Uterine tenderness or rigidity Uterine contractions- Often coming one right after another
90
Placental abruption: management (conservative & severe)
Conservative □ Serial ultrasounds □ Planned induction or c-section by 40 weeks Severe requires immediate delivery □ Correction of any coagulopathies □ Increased risk for PPH
91
Hemorrhage
an escape of blood from a ruptured blood vessel, especially when profuse
92
Hemorrhage: most common causes
-Tone -Trauma -Tissue -Thrombin (clotting) -Coagulopathies of pregnancy
93
Hemorrhage: tone (9)
uterus contracts after delivery and may have problems related to Prolonged labor Inductions (Pitocin use or overuse) Multiples w/ overdistension Infections to uterus Numerous Gs/Ps Anesthetics (inhaled) Magnesium sulfate or terbutaline Hydramnios Obesity
94
Hemorrhage: tone main cause
overuse/stretching out muscles
95
Hemorrhage: tone causes -anesthetics & magnesium -polyhydramnios
Anesthetics & magnesium: cause uterus to relax Polyhydramnios: lots of amniotic fluid = overdistention of the uterus
96
Hemorrhage: trauma (6)
Lacerations Hematomas of the vagina or cervix Inverted/ruptured uterus Compound presentation such as a hand Precipitous delivery (<3 hours) Instrument assisted delivery
97
Hemorrhage: trauma hematomas of the vagina or cervix s/s (4)
Unresolved severe pain No obvious sings of bleeding Pelvic pressure Episiotomies
98
Hemorrhage: trauma common cause of ruptured uterus
trying to have a vaginal delivery after having a c-section
99
Hemorrhage: tissue (4)
Retained placental fragments Should come out within 15-30 minutes max Nurse should look for intactness of placenta Acreta or percreta can occur
100
Hemorrhage: tissue placenta is attached to the myometrium (slight)
caret
101
Hemorrhage: tissue placenta is in the myometrium (deep)
increta
102
Hemorrhage: tissue placenta penetrates the myometrium and goes to or past the serosa
percreta
103
Hemorrhage: tissue Percreta: Surgical intervention required (2)
D&C Hysterectomy
104
Hemorrhage: thrombin Coagulation disorders that may lead to PPH (3)
-Hemophilia -Von Willebrand's disease -Idiopathic thrombocytopenia purport (ITP)
105
Hemorrhage: Coagulopathies of pregnancy Risk Factors
Prior DVTs Embolism
106
Hemorrhage Management Safety bundle for obstetric hemorrhage recommended: (4)
Readiness Recognition and Prevention Response Reporting and Systems Learning
107
Hemorrhage management Medical (5)
Firm massage of the uterine fundus Elimination of bladder distention Continuous IV infusion of 10-40 units of oxytocin added Volume replacement Uterotonic medications
108
Hemorrhage management Uterotonic medications & when to use (5)
Pitocin- 1st line Other medications are given on a case-by-case basis -Tranexamic acid -Methergine -Hemabate -Cytotec
109
Hemorrhage management: Severe management (4)
Vaginal sweep Pack w/ gauze Uterine tamponade w/ balloon (Bakri, EBB, Jada) D&C
110
Hemorrhage: Surgical management (2)
Visualization for repair of any tears Hysterectomy last resort
111
Hemorrhage: Nursing role (4)
Identify excessive blood loss Potential hypovolemia Assist w/ correction of these underlying causes Use of protocol
112
Hemorrhage: Nursing intervention: anticipatory management (5)
16-18 gauge IV Manual massage of uterus Foley to manage bladder distention and look for urine output Frequent assessment of vital signs -Looking for hypovolemia Pitocin IV or IM- active management of 3rd stage of labor (EBP)
113
Hemorrhage: S/S of compensated hypovolemia (3)
increased pulse decreased BP increased respiratory rate
114
Hemorrhage: anticipatory management ORDER
Oxygen Restore circulating volume Drug therapy Evaluation Remedy underling cause
115
Hemorrhage: anticipatory management REACT
Resuscitate Evaluation Arrest hemorrhage Consult Treat complications
116
Hemorrhage: Lab & diagnostic tests (3)
CBC (H&H/ platelets) PT PTT (both determine body's clotting abilities)
117
Hemorrhage: s/s (7)
Compensated shock Pallor Anemia Lightheadedness or faint Boggy uterus (atony) Uterus above umbilicus Large clots w/ uterine massage (weight the clots)
118
pregnancy that ends as a result of natural causes before feal viability
Miscarriages
119
Threatened miscarriage -Amount of bleeding -Uterine cramping -Passage of tissue -Cervical dilation -Management
-Amount of bleeding: slight, spotting -Uterine cramping: mild -Passage of tissue: no -Cervical dilation: no -Management: bedrest & monitor
120
Inevitable miscarriage -Amount of bleeding -Uterine cramping -Passage of tissue -Cervical dilation -Management
-Amount of bleeding: moderate -Uterine cramping: mild to severe -Passage of tissue: no -Cervical dilation: yes -Management -no pain, bleeding or infection: expectant management -pain, bleeding, or infection: prompt termination (dilation & suction curettage)
121
Incomplete miscarriage -Amount of bleeding -Uterine cramping -Passage of tissue -Cervical dilation -Management
-Amount of bleeding: heavy-profuse -Uterine cramping: severe -Passage of tissue: yes -Cervical dilation: yes, tissue in cervix -Management: *may require additional dilation *med: misoprostol (cytotec)
122
Missed miscarriage -Amount of bleeding -Uterine cramping -Passage of tissue -Cervical dilation -Management
-Amount of bleeding: none-spotting -Uterine cramping: no -Passage of tissue: no -Cervical dilation: no -Management: * med: misoprostol (Cytotec) *dilation & suction curettage
123
acquired syndrome characterized by intravascular activation of coagulation which is widespread and results in excessive clot formation and hemorrhage
Disseminated intravascular coagulopathy (DIC)
124
Why does DIC occur w/ postpartum hemorrhage (2)
-Glycoprotein: found in body organs containing many blood vessels (placenta and amniotic fluid) activates circulating clotting factors when it is released from damaged tissue -Release of large amounts of tissue factor as a result of placental abruption
125
measuring out all blood loss physically (difference between dry pad and bloody pad)
quantitative blood loss
126
measuring blood loss by multiplying the perioperative difference of hemoglobin (or hematocrit) by the patient's estimated blood volume
estimated blood loss
127
Value of doing QBL
more accurate
128
DM present before pregnancy 10% of pregnancies have preexisting DM
pre gestational diabetes
129
Pre-gestational diabetes: Maternal risk and complications (5)
-Macrosomia w/ increased risk of birth complications -Hydramnios (polyhydramnios) -Infections -Ketoacidosis -> DKA -Hypoglycemia/hyperglycemia
130
Pre-gestational diabetes fetal/neonatal risk (4)
Perinatal mortality rates 3x higher IUFD (stillbirth) Congenital malformations Hypoglycemia at birth
131
Pre-gestational diabetes: assessment (2)
-Complete physical examination & thorough evaluation of her health status -Routine prenatal laboratory tests & glycosylated hemoglobin A1C level
132
Pre-gestational diabetes: antepartum care (9)
More frequent monitoring Diet Exercise Insulin therapy Self-monitoring of blood glucose Urine testing Complications requiring hospitalization Fetal surveillance Determination of birth date and mode
133
Pre-gestational diabetes: primary goal
achieving and maintaining constant euglycemia
134
Pre-gestational diabetes: intrapartum care (5)
-Monitoring for dehydration, hypoglycemia, and hyperglycemia -Blood glucose levels carefully monitored -Continuous EFM -Intravenous infusion Possible cesarean birth for macrosomia
135
Pre-gestational diabetes: postpartum care (4)
-First 24 hours, insulin requirement drops substantially -Risk for hemorrhage due to uterine distention -Women w/ diabetes are encouraged to breastfeed -Contraceptive methods education
136
Gestational Diabetes s/s (4)
-Decreased tolerance to glucose -Increased insulin resistance -Decreased hepatic glycogen stores -Increased hepatic production of glucose
137
Gestational diabetes Diagnosis made during ______ of pregnancy
2nd half
138
Glucose tolerance test: two steps and result evaluation
1-hour, 50g oral glucose ◊ Positive: BS > 130-140 ◊ Negative: BS < 130 3-hour, 100g oral glucose ◊ Positive: BS > 130-140 ◊ Negative: BS < 130
139
Risk factors for GDM (6)
-Family history of diabetes -Previous pregnancy that resulted in an unexplained stillbirth or the birth of a malformed or macrosomic fetus -Obesity -Hypertension -Glycosuria -Maternal age >25
140
GDB: maternal risk (3)
Preeclampsia Cesarean delivery Development of type 2 diabetes later in life
141
GDB: neonate risk (2)
-Macrosomia and associated risks for birth trauma -Electrolyte imbalances including neonatal hypoglycemia and hyperinsulinemia
142
GDB: antepartume care (7)
-Goal is strict blood glucose control -Dietary modification -Exercise -Self-monitoring of blood glucose -Pharmacologic therapy -Fetal surveillance -Women who require insulin or oral hypoglycemic agents for BG control may have twice-weekly NSTs beginning at 32 weeks gestation
143
GDB: intrapartum care (2)
-Blood glucose levels monitored hourly in labor □ Maintain levels at 80-110 mg/dl (strict window) -nfusion of insulin, if needed
144
GDB: Postpartum care (4)
-Will return to normal glucose levels after birth -High risk for recurrent GDM in future pregnancies -ACOG recommends assessing all women who had GDM for carbohydrate intolerance with a 75-g, 2-hr OGTT or a fasting plasma glucose level at 6-12 weeks postpartum -Lifelong repeat screening at least every 3 years
145
excessive, prolonged vomiting accompanied by: Weight loss Electrolyte imbalance Nutritional deficiencies Ketonuria
Hyperemesis gravidarum
146
Normal n/v complicates 50-80% of all pregnancies, typically beginning _____________ gestation Usually resolved by ___________ gestation Cause:
4-10 weeks 20 weeks unknown
147
Hyperemesis gravidarum risk factors (11)
Younger maternal age Nulliparity BMI < 18.5 OR BMI> 25 Low socioeconomic status Asthma Migraines Pre-existing DM Psychiatric illness Hyperthyroid disorder Gastrointestinal disorder Previous pregnancy complicated by Hyperemesis gravidarum
148
Hyperemesis gravidarum (5)
Significant weight loss and dehydration Dry mucous membranes Decreased BP Increased pulse rate Poor skin turgor
149
Hyperemesis gravidarum: assessment (3)
-Severity, frequency, and duration of episodes -Determination of ketonuria -Psychosocial assessment: role of anxiety
150
Hyperemesis gravidarum: interventions (5)
-IV therapy for correction of fluid and electrolyte imbalances -Medications -Enteral or parenteral nutrition as a last resort -Prevent recurrence of N/V -Follow up care
151
hyperemesis gravidarum: priorities (2)
-Dehydration related to excessive vomiting -Inadequate weight gain related to nausea and persistent vomiting
152
a set of disorders that can occur anytime during pregnancy as well as in the first year postpartum
Perinatal mood disorders (PMD)
153
Perinatal mood disorders (PMD) (3)
Post partum depression Bipolar Disorder Postpartum Psychosis
154
PPD Discharge instructions (3)
-Medications risks - increased risk of suicide first couple of weeks -Attachment behaviors w/ infant -Resources for support - meals on wheels, getting family in to help with newborn & help with sleep deprivation
155
PPD: Care at home
Combination of antidepressants and cognitive-behavioral therapy (CBT) or interpersonal psychotherapy (IPT)
156
PPD: Antidepressant medications (4)
Selective serotonin reuptake inhibitor (SSRI) Serotonin/norepinephrine reuptake inhibitor (SNRI) Tricyclic antidepressants (TCAs) Monoamine oxidase inhibitor (MAOI)
157
PPD: nursing interventions (3)
-Educate about depression as an illness and the plan of care, including medications -Discuss alternative treatments and respect her choice if she refuses medications -Maintain a caring, hopeful relationship
158
PPD w/o psychotic features
Irritability; feeling of detachment toward the newborn
159
PPD w/ psychotic features
Feelings of wanting to harm self, baby, or others
160
PPD screening (4)
-Rule out thyroid abnormalities and anemia first -S/s of major depression -Edinburgh Postnatal Depression Scale (EPDS) (most accurate) -Postpartum Depression Screening Scale (PDSS)
161
Substance abuse interventions (5)
-Education -Individualized treatment -Smoking cessation: USPSTF recommendations -Detoxification -Medical withdrawal from opioids during pregnancy is currently not recommended
162
head born but anterior shoulder cannot pass under pubic arch
shoulder dystocia
163
Shoulder Dystocia: "turtle sign"
head comes out then reseeds due to shoulder being stuck
164
shoulder dystocia: risks to newborn (3)
Asphyxia Brachial plexus damage Fractured clavicle
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Shoulder dystocia: risks to mother (3)
Uterine atony/ rupture Lacerations Hemorrhage
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Shoulder dystocia: nursing interventions
McRoberts Maneuver: lay flat and pull legs back and apply suprapubic pressure
167
Shoulder dystocia: Zavanelli maneuver (2)
push baby back in and do a crash c-section LAST RESPORT
168
Can a baby w/ shoulder dystocia be removed w/ forceps?
NO
169
indicates fetus has passed stool prior to birth and has possible inhaled it
Meconium-stained amniotic fluid
170
Meconium-stained amniotic fluid: possible causes (4)
-Normal physiologic function of maturity (post dates) -Breech presentation -Hypoxia-induced peristalsis -Umbilical cord compression
171
Meconium-stained amniotic fluid: inter-professional care management (3)
-Presence of an interprofessional team skilled in neonatal resuscitation is required -Assess if baby is "vigorous" at birth □ If so -> go skin to skin □ If not -> intubate and try to clear meconium -Observation
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occurs when cord lies below the presenting part of the fetus
cord prolapse
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cord prolapse: contributing factors (5)
-Cord length (>100cm) -Malpresentation (breech) -Transverse lie -Unengaged presenting part -Artificial rupture of membranes when presenting part is not engaged
174
Cord prolapse: priority interventions (5)
Prompt recognition Pressure off cord Position change to keep pressure off the cord Stat C-section □ Nurse cannot remove venial hand until provider has baby out
175
symptomatic disruption and separation of the layers of the uterus or previous scar
uterine rupture
176
most frequent cause of uterine rupture (2)
-Separation of scar of a previous classic cesarean birth -Uterine trauma (accident, surgery)
177
incomplete uterine rupture; separation of a prior scar
uterine dehiscence
178
rare but devastating complication of pregnancy characterized by sudden, acute onset of hypotension, hypoxia, and hemorrhage caused by coagulopathy
Amniotic Fluid Embolus (AFE)
179
results from formation of blood clot(s) inside a blood vessel caused by inflammation or partial obstruction of vessel
Venous thromboembolism (VTE)
180
VTE type: involvement of the superficial saphenous venous system Most common Pain and tenderness in the lower extremity
Superficial
181
VTE type: occurs most often in the lower extremities; involvement varies but can extend from the foot to the iliofemoral region Positive Homan's sign
deep vein thrombosis (DVT)
182
complication of DVT occurring when part of a blood clot dislodges and is carried to the pulmonary artery, where it occludes the vessel and obstructs blood flow to the lungs
pulmonary embolism (PE)
183
Cesarean birth __________________ the risk for VTE
doubles
184
VTE care management: (3)
Ongoing assessment Education Anticoagulation use
185
any clinical infection of the genital tract that occurs w/in 28 days after miscarriage, abortion, or birth
Puerperal infection (postpartum infection)
186
Three types of postpartum infections
endometritis wound infection urinary tract infection
187
infection of the lining of the uterus
endometritis
188
Most common postpartum infection
endometritis
189
indication of postpartum infection
Presence of a fever of 38* C (100.4) or more on 2 successive days of the first 10 postpartum days
190
management of postpartum infections
IV broad-spectrum antibiotic therapy
191
birth of a fetus through a transabdominal incision of the uterus to preserve the well-being of the mother and her fetus
cesarean section
192
Primary cesarean birth w/o medical or obstetric indications
elective
193
most common reason for scheduled c-section
breech presentation
194
forced cesarean (2)
Maternal-fetal conflict Ethical implications
195
considerations w/ unplanned cesarean
Can cause a lot of mental distress in parents □ Not the birth they intended □ Fell like they "missed out" on a vaginal delivery
196
attempt to turn fetus from breech or shoulder presentation to vertex presentation for birth
External Cephalic Version (ECV)
197
External Cephalic Version (ECV): RF
Cord strangulation Decreased HR
198
regular contractions along w/ a change in cervical effacement or dilation or both or presentation w/ regular uterine contractions or cervical dilation of at least 2 cm
preterm labor
199
any birth that occurs between 20 weeks and 36 weeks and 6 days of gestation
preterm birth
200
level of preterm Very preterm: Moderately preterm: Late preterm:
Very preterm: < 32 weeks Moderately preterm: 32-34 weeks Late preterm: 30-36 weeks & 6 days
201
Preterm vs Low birth weight
Preterm is more dangerous than birth weight alone because less time in the uterus correlated w/ immaturity of body systems
202
what qualifies as low birth weight
< 2500 grams at birth
203
Cause of spontaneous preterm labor/birth (6)
Congenital structural abnormalities of the uterus Placental causes Maternal/fetal stress Uterine overdistention (multiples) Allergic reaction Decrease in progesterone
204
Only definitive factor of preterm labor/birth
infection
205
used to predict who will not go into preterm labor
Fetal Fibronectin (fFN) test
206
glycoprotein "glue" found in plasma and produced during fetal life
fFN
207
Fetal Fibronectin (fFN) test result interpretation
Negative result = <1% chance of giving birth within two weeks
208
preterm nursing interventions (6)
Prevention Early recognition and diagnosis Lifestyle modifications Activity restriction Restriction of sexual activity Home care
209
Preterm meds given and why
Steroids: promotion of fetal lung maturity Tocolytic medications: suppression of uterine activity (stops contractions)
210
Preterm meds: tocolytics
mag sulfate terbutaline
211
Preterm meds: steroids
Antenatal glucocorticoid: significantly reduce the incidence of: □ respiratory distress syndrome -Intraventricular hemorrhage -Necrotizing enterocolitis -Death in neonates Betamethasone: given to help mature lungs
212
spontaneous rupture of amniotic sac and leakage of fluid prior to the onset of labor at any gestational age
Premature Rupture of Membranes (PROM)
213
membranes rupture before 37 weeks gestation
Premature Prolabor Rupture of Membranes (PPROM)
214
Premature Prolabor Rupture of Membranes (PPROM): interventions (6)
-Less than 32 weeks: manage expectantly and conservatively -Vigilance for s/s of infection -Fetal assessment NSTs at least twice daily -Antenatal glucocorticoids for all women w/ preterm PROM between 24-34 weeks gestation -7-day course of broad-spectrum antibiotics -Administering mag sulfate for fetal neuroprotection
215
bacterial infection of the amniotic cavity
Chorioamnionitis
216
Chorioamnionitis: clinical findings (4)
Maternal fever Maternal and fetal tachycardia Uterine tenderness Foul odor of amniotic fluid
217
Chorioamnionitis: neonatal risk (4)
Pneumonia Bacteremia Meningitis Death more likely if preterm
218
Chorioamnionitis: neonatal at increased risk for (3)
Respiratory distress syndrome Periventricular leukomalacia Cerebral palsy
219
Chorioamnionitis: treatment (2)
Broad spectrum antibiotics Birth of baby
220
pregnancy greater than or equal to 42 weeks of gestation
post term/ postdates
221
post term: maternal and fetal risk (7)
-Increased maternal morbidity -Dysfunctional labor and birth canal trauma -Labor and birth interventions more likely -Abnormal fetal growth (macrosomia) -Prolonged labor -Should dystocia or operative birth risks increase -Post maturity syndrome
222
prompting the uterus to contract during pregnancy before labor begins on its own for a vaginal birth
induction
223
Why are inductions performed? (2)
elective medically indicated
224
medical indications of induction (5)
-Post-dates -Gestational diabetes -HTN or preeclampsia -Fetal abnormalities -Maternal co-morbidity
225
risks of induction (3)
-Increased rates of cesarean birth -Increased neonatal morbidity -Increased cost
226
induction should not be initiated until client is at least
39 weeks
227
should be completed to assess "readiness for labor" or cervical ripeness
bishop score
228
best indicator for successful induction
cervical ripeness
229
mechanical methods to ripen cervix (2)
Balloon catheter- transcervical foley balloon § Similar to foley balloon but can hold up to 60 cc fluid § When it "falls out" client is usually 3-4 cm dilated Amniotomies: artificial rupture of membranes § Used to induce or augment labor
230
Chemical methods to ripen cervix (2)
prostaglandins: Misoprostil Cervidil
231
use of pharmacological or surgical interventions to help the progression of a previously dysfunctional labor
augmentation
232
augmentation drug of choice
Pitocin
233
Mechanical augmentation (2)
vacuum extractor forceps-assisted-birth
234
augmentation indications (2) Both methods should never: (2)
Maternal exhaustion Fetal distress should never -both be used together -have attempt restrictions
235
VEAL CHOP
Variable------------>Cord Compression Early decels------->Head Compression Acceleration------->OK Late decels-------->Placental inefficiency