Shared Flashcard Set

Details

Maternal & NB Medications
OB HESI
114
Nursing
Undergraduate 3
06/05/2011

Additional Nursing Flashcards

 


 

Cards

Term
Oxytocin (Pitocin)
Definition

  • enhances uterine contractions 
  • provides stimulation of contractions with uterine inertia
  • helps reduce labor in clients with maternal diabetes, preeclampsia, eclampsia, and erthroblastosis fetalis 
  • use only after cervix has dilated and presentation of fetus has occurred 
  • Stimulates letdown reflex 
  • relieves pain from breast engorgement
  • controls postpartum hemorrhage
  • promotes postpartum uterine involution

Term
Administration considerations of Oxytocin (Pitocin)
Definition

  • dilute as ordered in IV solution and hang as titratable IV drip, using IV pump
  • Use NS as primary line, with med IVPB at secondary port or stopcock
  • monitor effects on contractions while titrating dosage
  • Nasal spray may be used to promote milk ejection
  • keep magnesium sulfate on hand for use if needed to relax myometrium
  • DO NOT confuse pitocin with pitressin

Term
Maternal adverse effects of oxytocin (Pitocin)
Definition

 

  • increased pain with contractions from increased uterine motility
  • hypersensitivity
  • cardiac dysrhythmias
  • hypotension
  • hypertension (if given after vasopressors)
  • water intoxication (hyponatremia, hypochloremia)
  • N&V

 

Term
Fetal adverse effects of oxytocin (Pitocin)
Definition

  • intracranial hemorrhage
  • hypoxia
  • asphyxia
* all are rare

Term
How often should maternal pulse and BP, FHR, contractions, and resting uterine tone by monitored with use of oxytocin?
Definition
every 15 minutes
Term
Hypertonic contractions
Definition
less than 2 minutes apart, > 90 seconds in length, and about 50 mmHg in strength
Term
Nursing actions for hypertonic contractions
Definition

  • shut off IV drip
  • turn client onto left side
  • increase rate of NS IV
  • apply oxygen via face mask PRN

Term
Effects of oxytocin will diminish within ___ after discontinuation
Definition
2-3 minutes
Term
S&Sx of hypertensive crisis
Definition

  • sudden onset of intense occipital h/a
  • palpitations
  • hypertension
  • stiff neck
  • n&v
  • fever & sweating
  • photophobia & dilated pupils
  • constricting chest pain
  • bradycardia or tachycardia

Term
Nurse should monitor for this in clients receiving local or regional anesthesia (caudal, spinal)
Definition
hypertensive crisis
Term
Signs or water intoxication
Definition

  • drowsiness
  • h/a
  • confusion
  • anuria
  • weight gain
  • decreasing urinary output w/adequate intake

Term
What should the nurse teach the client to report with oxytocin administration?
Definition
sudden, severe h/a
Term
Uterine Relaxants
Definition

  • inhibit contractions and arrest labor for at least 48hrs so corticosteroids can be given to facilitate fetal lung maturity
  • used for cessation of contraction to allow intrauterine fetal resuscitation when uterine hyperstimulation occurs
  • used to delay delivery in preterm labor

Term
Common uterine relaxants
Definition

  • Terbutaline sulfate (Brethine)
  • Ritodrine (Yutopar)--> increased incidence of pulmonary edema
  • Nifedipine (Procardia)--> may cause oligohydramnios
  • Indomethacin (Indocin)-->increased risk of fetal complications 

Term
Nursing actions for use of uterine relaxants
Definition

  • start at lowest possible dose & increase PRN until contractions cease
  • be CERTAIN about recommended dose
  • take med with food to prevent GI upset
  • Dilute IV terbutaline by adding each 5mg to 1000mL D5W or NS to yield concentration of 5mcg/mL
  • Infuse med via microdrip using infusion pump

Term
Adverse effects of beta-adrenergics
Definition

 

  • maternal & fetal tachycardia
  • palpitations
  • tremors
  • jitteriness and anxiety
  • pulmonary edema

 

Term
Nursing considerations of Beta-adrenergics
Definition
If client delivers after receiving uterine relaxant medications, be prepared with oxytocic if needed to treat postpartum hemorrhage
Term
Adverse effects of Nifedipine (Procardia)
Definition
oligohydramnios 
Term
Adverse effects of indomethacin (Indocin)
Definition
oligohydramnios and premature closure of ductus arteriosus, leading to fetal death
Term
Adverse effects of uterine relaxants
Definition

  • constipation (cause or exacerbate)
  • N&V
  • oligohydramnios (Nifedipine & Indomethacin)
  • premature closure of ductus arteriosis, leading to fetal death (Indomethacin)
  • Refer to beta-adrenergic side effects

Term
Nursing considerations for use of Nifedipine (Procardia)
Definition
avoid grapefruit juice during administration because it interferes with effects
Term
Nursing considerations for use of indomethacin
Definition
use for a short period of time (2-3 days)
Term
Nursing considerations for use of terbutaline during pregnancy
Definition
monitor neonate for hypoglycemia
Term
Nurse should teach client about the importance of this when taking Nifedipine (Procardia)
Definition
change positions slowly due to possible orthostatic hypotension & how to self monitor pulse
Term
Ergot Alkaloids
Definition

  • used to control postpartum hemorrhage
  • DO NOT use before placental delivery
  • cause clonic contractions of uterus
  • produce arterial vasoconstriction and possible vasospasm of coronary arteries

Term
Common Ergot Alkaloids
Definition

  • Ergonovine (Ergotrate)
  • Methylergonovine (Methergine)

Term
Administration considerations of ergot alkaloids
Definition
causes rebound uterine relaxation
Term
Adverse effects of ergot alkaloids
Definition

  • contraindicated in pregnancy, hypersensitivity, and hypertension
  • use cautiously in unstable angina and recent MI
  • Significant increase in S&D BP
  • decrease in milk production
  • uterine cramping
  • Ergotism or overdose

Term
S&Sx of ergotism
Definition

  • N&V
  • weakness
  • muscle pain
  • insensitivity to cold
  • paresthesia of extremities 

Term
Nursing considerations for use of ergot alkaloids
Definition

  • closely monitor BP, withhold dose & notify prescriber if hypertension noted
  • monitor lochia and uterine contractions
  • Assess and report hypertension, chest pain, ergotism, or hypersensitivity (SOB, itching)
  • Admin analgesics PRN to control pain of uterine contractions caused by ergot

Term
Route of ergot administration
Definition
oral, IM, possible IV during emergency
Term
Nurse should teach client this when taking ergot alkaloids
Definition
avoid smoking because of increased/additive vasoconstriction with ergonovine use
Term
Prostaglandins
Definition
Terminate pregnancy from 12th week through 2nd trimester; can also be used to stimulate myometrium to promote delivery
Term
Dinoprostone (Prepidil, Cervidil)
Definition
prostaglandin E2; FDA approval only for cervical ripening prior to labor inductions; available as gel; Prepidil intracervical gel; Cervidil vaginal insert
Term
Carboprost tromethamine (Hemabate)
Definition
prostaglandin F2; FDA approval only for control of postpartum bleeding; IM injection
Term
Common prostaglandins
Definition

 

  • Prostaglandin E2 AKA Dinoprostone (Prepidil, Cervidil)
  • Prostaglandin F2 AKA Carboprost tromethamine (Hemabate)

 

Term
Adverse effects of prostaglandins
Definition

  • diarrhea, N&V, increased BP
  • uterine cramping
  • tension h/a
  • flushing, cardiac dysrhythmias
  • uterine tetany
  • uterine rupture
  • Contraindicated: acute PID & hx of pelvic surgery
  • Use cautiously w/hypertension & hx of asthma

Term
Prenatal Nursing considerations with use of prostaglandins
Definition

  • follow manufacturer;s instructions for placement of medication
  • client must remain recumbent for 20-30 min
  • continuous fetal monitoring while recumbent

Term
Postpartum teaching for use of prostaglandins
Definition
prepare client for route of admin & possible side effects
Term
Postpartum nursing considerations for use of prostaglandins
Definition

  • monitor lochia and BP
  • prepared for client do develop diarrhea

Term
Prenatal client teaching with use of prostaglandins
Definition

  • report long or continuous contractions (uterine atony)
  • count fetal movement (indicates fetal well-being)

Term
Magnesium Sulfate
Definition

  • Acts as CNS depressant and depresses smooth, skeletal, & cardiac muscle function when given parenterally
  • Used to arrest preterm labor
  • Prevents/treats seizures with preeclampsia and eclampsia 

Term
Administration considerations for use of magnesium sulfate
Definition

  • use in conjunction with beta-adrenergics increases risk of pulmonary edema
  • a 4g loading dose is often utilized, which must be given over 20-30 min via infusion pump

Term
Adverse effects of magnesium sulfate
Definition

  • flushed warm feeling, drowsiness
  • decreased/absent deep tendon reflexes
  • decreased strength or absence of hand grasp
  • fluid & electrolyte imbalance, hyponatremia
  • N&V
  • respiratory depression leading to respiratory arrest

Term
Contraindications for use of magnesium sulfate
Definition

  • fetal anomaly incompatible with life
  • pulmonary edema or CHF
  • anuria
  • renal failure
  • organic CNS disease

Term
Client teaching with use of magnesium sulfate
Definition

  • report signs of preeclampsia (h/a, epigastric pain, visual disturbances)
  • report signs of confusion
  • side effects of medication

Term
Nursing considerations for use of magnesium sulfate
Definition

  • check patellar reflex prior to dose (risk for respiratory arrest)
  • hand grasps & deep tendon reflexes hoursly for signs of toxicity
  • V/S every 30-60 min (especially RR)
  • Notify physician if RR <12/min
  • Ensure calcium gluconate is bedside
  • IV infusion flow rate adjusted to maintain urine flow of 30-50 mL/hr
  • Monitor IV site for extravasation
  • Monitor serum magnesium levels
  • take accurate daily weight

Term
RR needs to be __ for additional doses of magnesium sulfate to be safe
Definition
16/min or >
Term
Magnesium sulfate antidote
Definition
calcium gluconate
Term
Target range for serum magnesium levels with use of magnesium sulfate
Definition
4-7 mEq/L; call prescriber if > 7 mEq/L
Term
Analgesics
Definition
used to manage moderate-severe labor pain
Term
Opioid antidote
Definition
naloxone (Narcan)
Term
Common opioid agonist analgesics
Definition

  • Meperidine (Demerol)
  • Fentanyl (Sublimaze)
  • Sufentanil (Sufenta)

Term
Common Opioid agonist-antagonists
Definition

  • Butorphanol tartrate (Stadol)
  • Nalbuphine (Nubain)

Term
Common Common epidural or intrathecal opioid agents
Definition

  • fentanyl (Sublimaze)
  • Sufentanil (Sufenta)

Term
Administration considerations for use of analgesics
Definition

  • DON'T admin in early labor, could slow labor
  • Birth should occur >4hr or <1hr after dose of meperidine to min neonatal CNS depression
  • DON'T use agonist-antagonists for women with opioid depedence

Term
Advantages of agonist-antagonists
Definition

  • provide adequate analgesia
  • less resp depression
  • less N&V
  • equal or > sedation when compared to meperidine 

Term
Why should the nurse avoid admin of agonist-antagonists for women with opioid dependence?
Definition
Antagonist activity could precipitate withdrawal symptoms in mother and neonate
Term
Maternal & Neonatal withdrawal S&Sx
Definition

  • irritability
  • hyperactive reflexes
  • tremors
  • seizures
  • yawning
  • sneezing
  • vomiting
  • diarrhea
  • excessive crying (in neonate)

Term
Adverse effects of opioid agonists 
Definition

 

  • N&V
  • sedation
  • drowsiness or confusion
  • tachycardia or bradycardia
  • hypotension
  • dry mouth
  • urinary retention
  • pruritis
  • respiratory depression

 

Term
Adverse effects of opioid agonists-antagonists
Definition

 

  • confusion
  • sedation
  • N&V
  • sweating
  • respiratory depression (< likely to occur)

 

Term
Nursing considerations for use of opioid agonists
Definition

  • monitor FHR and uterine contractions
  • assess for resp depression (<12 bpm)
  • assess NB for resp depression if born in 1-4hr of dose
  • keep naloxone available
  • keep siderails raised for safety 
  • supp pain relief using nonpharm methods

Term
Nursing considerations for use of opioid agonist-antagonists
Definition

  • similar to opioid analgesics
  • watch for withdrawal Sx if admin to opioid-dependent women and neonates

Term
Neonatal Eye Prophylaxis
Definition
Mandated by law for prophylaxis against Neisseria gonorrhoeae and Chlamydia trachomatis
Term
Common agents used for neonatal eye prophylaxis
Definition

  • erythromycin ophthalmic ointment
  • tetracycline ophthalmic ointment or solution

Term
Silver Nitrate (1%) solution
Definition
previously used for neonatal eye prophylaxis, but outdated because of irritating effects on eyes and insufficient prophylaxis against chlamydia 
Term
Administration considerations of neonatal eye prophylaxis
Definition

  • apply up to but within 1 hr of delivery
  • cleanse eyes before application of dose
  • admin 0.5-1 cm ribbon of ointment into each conjunctival sac
  • DON'T rinse eyes following dose
  • use new tube of for each neonate

Term
Adverse effects of neonatal eye prophylaxis
Definition
blurring of vision possible after application
Term
RH0 (D) Immune Globulin (RhoGAM)
Definition
prevents anti-Rho (D) antibody formation (isoimmunization) in Rh-neg women
Term
Administration considerations of RhoGAM
Definition

  • admin w/in 72hrs of potential or actual exposure to Rh+ blood
  • Readminister with each possible/actual exposure
  • DON'T admin if client has developed + antibody titer to Rh antigen
  • Admin at 28 wks gestation 
  • DON'T admin to NB

Term
Adverse effects of RhoGAM
Definition

  • tenderness at injection site
  • slight elevation in temperature
  • contraindicated with hypersensitivity, isoimmunization, or Rh+ women

Term
Lung Surfactants
Definition

  • improves gas exchange
  • stabilizes alveoli against collapse at resting pressures
  • prevents/treats RDS in premature infants

Term
Surfactant
Definition
lowers surface tension on alveolar surfaces during respiration 
Term
Administration considerations of Lung surfactant
Definition

  • Give by intratracheal route into endotracheal tube using #5 French catheter with end hold
  • DON'T suction within 1 hr after dose unless significant airway obstruction occurs

Term
Adverse effects of lung surfactants
Definition

  • oxygen desaturation
  • transient bradycardia
  • crackles and moist breath sounds; does not necessarily indicate need for suctioning

Term
Nursing considerations for use of lung surfactants
Definition

  • Ensure proper endotracheal tube placement prior to dosing
  • Monitor heart rate, chest expansion, facial expression during administration
  • monitor O2 sat 
  • monitor arterial or transcutaneous O2 and CO2 levels

Term
Betamethasone (Celestone)
Definition

  • synthetic glucocorticoid (corticosteroid)
  • prevention of neonatal RDS (unlabeled use)
  • enhances production of surfactant

Term
Administration considerations for use of betamethasone (Celestone)
Definition

  • admin to client in preterm labor btw 28-32 wks
  • used if client & fetus can safely tolerate inhibition of labor for 48 hrs
  • admin as once-daily dose IM

Term
Adverse effects of betamethosone (Celestone)
Definition

  • contraindicated during lactation
  • risk of infection and delayed wound healing with coadministration of other corticosteroids

Term
Nursing considerations for use of betamethosone (Celestone)
Definition

  • monitor maternal V/S and fetal well-being
  • monitor for increased temp and WBC count

Term
Phytonadione or Vitamin K1 (Aquamephton)
Definition

  • fat-soluble vitamin that aids synthesis of clotting factors II, VII, IX, and X in immature NB liver
  • prevents/treats hemorrhagic disease of NB until NB has intestinal flora to absorb vit K from GI tract

Term
Administration considerations of Phytonadione
Definition

  • Give IM at time of delivery in vastus lateralis muscle of leg
  • Protect from light

Term
Adverse effects of Phytonadione
Definition
hyperbilirubinemia 
Term
Nursing considerations for use of phytonadione
Definition

  • monitor for signs of bleeding (bruising at injection site or actual bleeding from umbilical cord)
  • Assess for jaundice and monitor results of Bilirubin levels to detect hyperbilirubinemia

Term
effects of analgesics given too early during labor
Definition
prolonged labor and depressed fetus
Term
effects of analgesia given too late during labor
Definition
neonatal respiratory depression with no benefit to woman
Term
IV narcotics are given during which stage of labor?
Definition
first
Term
Advantages of IV narcotics
Definition

  • RN administration
  • rapid onset of pain relief
  • ease of administration relatively short duration

Term
Disadvantages of IV narcotics
Definition

  • may decrease contraction frequency and intensity
  • crosses placenta resulting in neonatal respiratory depression
  • short duration may not give adequate pain control during nulliparous or prolonged labor

Term
Advantages of intrathecal narcotics
Definition

  • excellent pain control that occurs within several minutes
  • lasts several hours
  • rarely results in neonatal respiratory depression
  • easier and faster injection method for both provider and client than epidural 

Term
Disadvantages of intrathecal narcotics
Definition

  • undesirable for rapidly progressing labor or transition phase
  • may eliminate urge to push
  • must be injected by anesthesia personnel
  • injection is uncomfortable
  • laboring client must hold very still during injections
  • spinal h/a may occur from leakage of CSF through dura at injection site

Term
Adverse effects of intrathecal narcotics
Definition

  • nausea
  • pruritis
  • urinary retention 
  • muscle spasms at site of injection

Term
site intrathecal narcotic is injected
Definition
L4-L5 or L5-S1
Term
Lumbar epidural block
Definition
provides temporary and reversible loss of sensation by injection into area with direct contract to nervous tissue and provides either regional analgesia or anesthesia depending on the dose injected 
Term
site needle and catheter of lumbar epidural block is injected
Definition
L4-L5 or L5-S1
Term
Local anesthetic used prior to lumbar epidural block
Definition

  • bupivacaine hydrochloride (Marcaine)
  • lidocaine hydrochloride (Xylocaine)

Term
Advantages of lumbar epidural block
Definition

  • excellent pain relief
  • re-dosing possible
  • no neonatal respiratory depression results
  • may provide a few hours of postpartum pain relief as well as during L&D

Term
Disadvantages of lumbar epidural block
Definition

  • undesirable for rapidly progressing labor or transition phase
  • must be inserted by anesthesia personnel
  • usually causes numbness of lower extremities, limiting mobility
  • decreases contraction frequency and intensity
  • reduces or eliminates urge to push
  • relaxation of musculature below site of injection often results in failure of fetus to accomplish internal rotation, necessitation an operative birth

Term
Nursing implications for lumbar epidural block use
Definition

  • monitor urinary output because retention requiring indwelling urinary catheter may result
  • monitor BP because maternal hypotension commonly results from vasodilation
  • avoid supine position

Term
Paracervical Block
Definition
a type of regional anesthesia; local anesthetic agent injected into lateral aspects of cervix during active or transition phases
Term
Advantages of paracervical block
Definition

  • rapid onset of pain relief
  • no neonatal respiratory depression
  • can be administered during transition
  • relative ease of administration

Term
Disadvantages of Paracervical block
Definition

  • systemic absorption of medication through vascular cervix
  • excessive bleeding from cervix
  • decreased or absent urge to push

Term
Nursing implications for paracervical block use
Definition
FHR as bradycardia can result from systemic absorption
Term
Pudendal block 
Definition

local anesthetic agent injected into lateral vaginal walls near ischial spines to anesthetize pudendal nerve

 

Term
when is a pudendal block administered?
Definition
during 2nd stage in preparation for cutting and repairing an episiotomy 
Term
Advantages of pudendal block
Definition

  • excellent anesthesia or perineum
  • rarely needs readministration
  • provides a few hrs of postpartum pain relief

Term
Disadvantages of pudendal block
Definition

  • must inject along presenting part
  • creating increased vaginal pressure and discomfort for client
  • eliminates urge to push

Term
Nursing implications for pudendal block use
Definition
monitor client safety because decreased sensation in lower extremities affects mobility
Term
Local infiltration anesthetics 
Definition
local anesthetic agents injected into tissues of perineum to provide anesthesia for episiotomy incision or repair and suturing of lacerations 
Term
Advantages of local infiltration anesthetic use
Definition

 

  • ease of administration
  • provides a few hours of postpartum pain relief

 

Term
Disadvantages of local infiltration anesthetic use
Definition
reinjection may be needed to obtain complete anesthesia with extensive lacerations or large episiotomies 
Term
Nursing implications for use of local infiltration anesthetics
Definition
loss of sensation may decrease urge or ability to urinate
Term
All ____ drugs cross the placental barrier in varying amounts
Definition
systemic drugs
Term
laminaria
Definition
hydrophilic agent that absorbs water from cervical mucus, expands, and dilates cervix for induction of labor
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