L &D Flashcards

(83 cards)

1
Q

__________ STIMULATION -RELEASED BY PITUITARY AT TERM

A

OXYTOCIN STIMULATION -RELEASED BY PITUITARY AT TERM

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2
Q

__________ DECREASED and _____________ INCREASE- INCREASES
ABILITY OF UTERUS TO CONTRACT (______________ MAINTAINS
PREGNANCY, SO LOWER LEVELS STIMULATE LABOR.)

A

PROGESTERONE and ESTROGEN

ROGESTERONE

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3
Q

PROSTAGLANDIN RELEASE - PRODUCED BY ____________, ____________
, AND __________STIMULATES LABOR

A

PROSTAGLANDIN RELEASE - PRODUCED BY DECIDUAS, UMBILICAL
CORD, AND AMNION STIMULATES LABOR

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4
Q
  • AGING PLACENTA-LIMITS ITSELF -MADE TO FUNCTION OPTIMALLY
    FOR _______
A
  • AGING PLACENTA-LIMITS ITSELF -MADE TO FUNCTION OPTIMALLY
    FOR 41 WEEKS
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5
Q

MATERNAL FACTORS for triggering labor

A
  • UTERINE MUSCLES STRETCHED TO
    THRESHOLD POINT =>RELEASE OF
    PROSTAGLANDINS AND OXYTOCIN THAT
    STIMULATE CONTRACTIONS
  • INCREASED PRESSURE ON THE CERVIX
    STIMULATES NERVE PLEXUS => RELEASE OF
    OXYTOCIN BY THE MATERNAL PITUITARY
    GLAND
  • INCREASE IN ESTROGEN WHICH ENHANCES
    MYOMETRIUM TO PRODUCE CONTRACTIONS
  • PROGESTERONE (“PRO-PREGNANCY
    HORMONE”) IS FUNCTIONALLY WITHDRAWN
    ALLOWS ESTROGEN TO CONTRACT THE
    UTERUS
  • OXYTOCIN & PROSTAGLANDINS SOFTEN
    CERVIX AND STIMULATE MYOMETRIAL
    CONTRACTIONS
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6
Q

FETAL FACTORS triggering labor

A
  • PROSTAGLANDIN SYNTHESIS BY THE
    FETAL MEMBRANES AND THE
    DECIDUA STIMULATE
    CONTRACTIONS
  • FETAL CORTISOL INCREASES- ACTS
    ON PLACENTA, INCREASE
    PROSTAGLANDINS, REDUCES
    PROGESTERONE ALL STIMULATE
    UTERUS TO CONTACT.
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7
Q

COMPONENTS OF LABOR
5 “P”S

A
  • PASSENGER- FETUS
  • PASSAGEWAY MOTHER’S PHYSICAL CAPACITY TO DELIVER
    INFANT
  • POWERS-2 TYPES INVOLUNTARY AND VOLUNTARY
  • POSITION OF MOTHER-MAKES A DIFFERENCE PHYSIOLOGICALLY
    IN THE FETUS’S ABILITY TO DESCEND IN THE PELVIS
  • PSYCHOLOGICAL- A WOMAN’S PSYCHE CAN INFLUENCE THE
    PROGRESS OF LABOR
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8
Q

POWERS OF LABOR-

A

voluntary = secondary powers “ bearing down” “ ferguson reflex”
and involuntary = dilation and effacement

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9
Q

_________OF UTERUS RESPONSIBLE FOR DILATION
(OPENING) AND EFFACEMENT (THINNING) OF THE CERVIX

A

Lower 3rd

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10
Q

INTENSITy ( description)

  • MILD –
  • MODERATE –
  • STRONG
A

Mild: UTERINE WALL IS EASILY INDENTED DURING CONTRACTION (NOSE)

  • MODERATE – RESISTANCE TO INDENTATION DURING CONTRACTION (CHIN)
  • STRONG – UTERINE WALL CANNOT BE INDENTED DURING A CONTRACTION
    (FOREHEAD
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11
Q

DILATION AND EFFACEMENT – OCCUR IN________

DILATION –

EFFACEMENT –

A

OCCUR IN THE FIRST STAGE OF LABOR –
UC’S PUSH THE PRESENTING PART OF FETUS TOWARDS CERVIX – OPENS
AND THINS

ENLARGEMENT OR OPENING OF CERVIX (FROM CLOSED TO
10CM)- 10CM CERVIX CAN NO LONGER BE PALPATED

THE SHORTENING AND THINNING OF CERVIX (0% - 100%)

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12
Q

Typically, first time moms will______ and then __________
multipara ______

A

Typically, first time moms will efface and then dilate

do it at the same time

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13
Q

Contractions:

FREQUENCY

  • DURATION
  • RELAXATION
A

FREQUENCY
* FROM BEGINNING OF ONE CONTRACTION TO THE BEGINNING OF
ANOTHER

  • DURATION
  • BEGINNING OF CONTRACTION TO THE END OF
    SAME CONTRACTION
  • RELAXATION
  • PERIOD BETWEEN CONTRACTIONS
  • ALLOWS BLOOD FLOW TO THE UTERUS AND
    PLACENTA THAT WAS REDUCED DURING
    CONTRACTION
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14
Q

(2ND POWERS: VOLUNTARY EFFORTS)

A
  • OCCUR ONCE THE CERVIX IS FULLY DILATED
  • WOMEN FEELS URGE TO PUSH

(2ND POWERS: VOLUNTARY EFFORTS)
BEARING DOWN POWERS

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15
Q

PELVIS

A
  • GYNECOID (NL FEMALE)
  • ANTRHROPOID (APE LIKE)
  • ANDROID (NL MALE)
  • PLATYPELLOID (FLAT)
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16
Q

ISCHIAL SPINES & STATION

A

*REFERS TO THE DESCENT OF THE PRESENTING
PART OF THE FETUS (HEAD, BOTTOM, ETC.) IN
RELATION TO THE ISCHIAL SPINE

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17
Q

-5 CENTIMETERS IS ________ THE ISCHIAL
SPINES

A

above

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18
Q
  • TYPES:
  • COMPLETE FLEXION-VERTEX
  • MODERATE FLEXION-SINCIPUT
  • PARTIAL EXTENSION-BROW
A
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19
Q
  • FETAL POSITION
  • ROA- RIGHT OCCIPUT ANTERIOR
  • ROP- RIGHT OCCIPUT POSTERIOR
  • LOA- LEFT OCCIPUT ANTERIOR
  • LOP-LEFT OCCIPUT POSTERIOR
  • LSA-LEFT SACRUM ANTERIOR
A
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20
Q

LIGHTNING
* URINARY CHANGES
* BACK PAIN
* INCREASED PRESSURE ON HIPS
* HORMONE RELAXIN
* VAGINAL CHANGES
* BLOODY SHOW
* WEIGHT LOSS-PROGESTERONE & ESTROGEN CHANGES CAUSE ELECTROLYTE SHIFT & WATER
LOSS (0.5-5KG)
* ENERGY SURGE-MATERNAL NESTING INSTINCT FROM INCREASED EPINEPHRINE & DECREASED
PROGESTERONE
* RUPTURE OF MEMBRANES MAY OCCUR
* BRAXTON-HICKS CONTRACTIONS BECOME STRONGER & MORE FREQUENT

A
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21
Q

USE OF NITRAZINE PAPER:

A

YELLOW OR GREEN INDICATES MEMBRANES INTACT; BLUE
INDICATES RUPTURE

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22
Q

AMNIOTIC FLUID FERN TEST

A
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23
Q

STRAW COLORED W/NATURAL ODOR:

  • GREENISH- BROWN-
  • YELLOW- FETAL HEMOLYTIC DISEASE-
  • PORT-WINE COLOR-
A

STRAW COLORED W/NATURAL ODOR: NORMAL
* GREENISH- BROWN- MECONIUM- POSSIBLE ANOXIA OR HYPOXIA ASSESS BABY FOR
DEVELOPMENTAL DELAYS HRF CHEMICAL PNEUMONIA
* YELLOW- FETAL HEMOLYTIC DISEASE- CHECK COOMB’S ASSESS BABY FOR JAUNDICE
* PORT-WINE COLOR- BLEEDING (ABRUPTION PLACENTAE) EMERGENCY C-SECTION/EMERGENCY BIRTH

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24
Q

Amniotic fluid

NORMAL

*OLIGOHYDRAMNIOS

*HYDRAMNIOS (POLYHYDRAMNIOS)

A

NORMAL 400-1000 ML (DEPENDS ON
GESTATION)

*OLIGOHYDRAMNIOS- <500 ML 32-36 WKS.-
FAILURE OF KIDNEY DEVELOPMENT

*HYDRAMNIOS (POLYHYDRAMNIOS) 2000 ML 32-
36 GESTATION- FETAL GI OBSTRUCTION/ATRESIA

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NORMAL FHR * TACHYCARDIA HR > * BRADYCARDIA HR <
NORMAL FHR 110-160 * TACHYCARDIA HR > 160 FOR 10 MINUTES OR LONGER * BRADYCARDIA HR < 110 FOR 10 MINUTES OR LONGER
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ABSENCE OF VARIABILITY: ( think about no activity possiblities) doesn't always have to be bad
FETUS SLEEPING, SEDATION (OPIATE, MAGNESIUM SULFATE) CORD COMPRESSION, FETAL HYPOXIA
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LOCATING FHR:
LEOPOLD’S MANEUVERS start at the top to locate what part of the fetus is located in the fundus The second= location of the fetal back third : presenting part fourth= baby cephalic prominence
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* FACTORS THAT HELP MAINTAIN FETAL O2 & + RESPONSE TO UTERINE CONTRACTIONS:
* PLACENTAL PROFUSION * HIGH CONCENTRATION OF FETAL RBC’S * INCREASED ABILITY OF FETAL HGB TO CARRY O2 * HIGH FETAL CARDIAC OUTPUTSTRESSFUL TIME FOR FETUS
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* EXTERNAL 2 TRANSDUCERS-
ULTRASOUND FOR FHR & TOCOTRANSDUCER UTERINE ACTIVITY
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* INTERMITTENT OR CONTINUOUS * AUSCULTATION W/FETOSCOPE OR DOPPLER INTERMITTENT, DETERMINES FHR ONLY * ELECTRONIC FETAL MONITOR-DETECTS FETAL HYPOXIA &/OR ACIDOSIS DURING LABOR-INTERPRETING FHR PATTERNS MONITORS FHR & UTERINE ACTIVITY * GUIDELINES Q 30 MINS STAGE 1& Q 15 MINS STAGE 2
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INTERNAL-
DIRECT METHOD OF MEASURING FHR & UTERINE ACTION W/ SPIRAL ELECTRODE ON FETAL SCALP & INTRAUTERINE CATHETER MEASURES INTENSITY OF CONTRACTIONS
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Baseline ___________ bpm. This is the vertical center of the strip.  Horizontal numbers- increments of _____________  Small boxes=________
Baseline 110-160 bpm. This is the vertical center of the strip.  Horizontal numbers- increments of 30 BPM  Small boxes=10 secs
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Normal FHR ______BPM above baseline  Moderate FHR over ________ bpm above baseline  Loss-
Normal FHR 6- 25 BPM above baseline  Moderate FHR over 25 bpm above baseline  Loss-flat line-do not see any variability in FHR from baseline
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Reassuring Fetal Heart Rate (FHR) -
110-160 bpm, increased heart rate from baseline with no decreases (Normal), also Indeterminate FHR- cont. to monitor
35
Non-reassuring FHR-
(abnormal evaluate & Treat)- examples-tachycardia, Bradycardia, Several decreases from baseline, irregular rhythm, decreases in FHR within 30 seconds after contraction
36
Non reassuring: Tachycardia FHR  Causes:  Nursing-  Bradycardia FHR  Causes:  Nursing
>160 for > or = to 10 mins Fever, infection, chorioamnionitis, dehydration, anxiety, anemia, certain drugs Take VS, call MD treat the underlying cause ( antibiotics, antipyretics) <110 bpm for > or = 10 mins supine position, problems with placenta or anything that causes hypoxia (low O2 in tissues) or hypoxemia (low O2 in blood) to fetus.
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marked variability
38
Accelerations-increase in FHR of at least _______PM above baseline FHR & lasting at least _____seconds  Causes Medical/nursing interventions
Accelerations-increase in FHR of at least 15 BPM above baseline FHR & lasting at least 15 seconds- 15 by 15  Causes-fetal movement during vaginal exam, nurse touches babies' head-baby is startled; transient umbilical vein compression  Medical/nursing interventions-none  Good
39
Decelerations-three types:  Early-  Cause:  Variable-  Causes:  Nursing interventions:
 Early-Decrease in FHR begins and ends with contraction. Bottom of FHR (Nadir) should match with Acme (peak) of CTX  Heart rate should go back up during resting phase of CTX; Expected  Cause: fetal head compressed during second stage of labor(mom pushes)  Variable- an abrupt decrease of FHR (<100bmp) during various phases of CTX< 30 secs.  Causes: cord compression; nuchal, short, prolapsed, knot, caught between pelvis and fetus  Irregular form “V” Unpredictable but quickly returns to baseline  Nursing interventions:  Turn mom L side, knee to chest  Give 02  give fluids  call MD prepare for amnioinfusion-relieves pressure on cord
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Late Decelerations- Causes: Nursing interventions-
bad!(if uncorrectable & associated with Tachycardia & Loss of Varitbilty)  “U” shaped-Starts after Peak of CTX and ends after contraction during rest period of contraction (returns to baseline after CTX ends) Causes: uteroplancental insufficiency such as HTN, preeclampsia, post-due mom (old placenta), excessive oxytocin, supine hypotension, uterine tachysystole (frequent uterine contractions-5 in 10 mins, CTX that last 2 mins)  Nursing interventions-turn mom left side, elevate legs, 10 L 02 via mask, turn off Pitocin, Increase IV fluids, assess for uterine tachysystole, possible fetal electrode and intrauterine-pressure catheters (IUPC), call MD-emergency
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uterine tachysystole
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Asessing Strips
 Assess:  What is FHR?  Any Accelerations?  Any Decelerations ?  Is there Variability?  Which category (I, II or III)?
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Strip A
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TRUE VS. FALSE * TRUE- * FALSE-
* TRUE- CTX THAT CHANGES MADE TO THE CERVIX * FALSE- CTX ARE IRREGULAR LITTLE TO NO CERVICAL CHANGE
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STAGE ONE-
BEGINS WITH THE ONSET OF LABOR ENDS W/ COMPLETE CERVICAL DILATION
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LATENT PHASE: 😁😁😁😁😁
CERVIX BEGINS TO THIN AND OPEN, CTX INCREASE IN FREQUENCY, INTENSITY, & DURATION CERVICAL DILATION: 0-5 CM mother is laughing and chilling.... doing can eat and drink ( 7-9 hrs for primi) 4-5 for multi
47
ACTIVE PHASE:
MODERATE, REGULAR FREQUENCY EVERY 2-3 MINS/CERVICAL DILATION:6-10 CM (COMPLETELY EFFACED) ACTIVE * 4-7 CM DILATION * 80-100% EFFACED * -1 TO 0 STATION * MODERATE TO STRONG CTX; UTERUS FIRM * 3-5 MINUTES APART 40-70 SECONDS
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TRANSITION PHASE: URGE TO START PUSHING
cervix dilated beyond 7 cm 80-90% top of head may be below ischial spine CERVICAL DILATION: 10 CM. If sac isnt broken physician may break it TRANSITION UTERUS FIRM * 8-10 CM DILATION * 100% EFFACED * +1TO +4 STATION * CTX 2-3 MINUTES APART 45-90 SECONDS LONG
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STAGE TWO
BEGINS WAS COMPLETE DILATION OF CERVIX, ENDS W/ DELIVERY OF BABY
51
STAGE THREE
BEGINS AFTER THE DELIVERY OF THE BABY AND ENDS WITH DELIVERY OF PLACENTIA
52
Closed glottis technique vs open glottis
In childbirth, the closed glottis technique is often referred to as "bearing down" or "valsalva maneuver." During the pushing stage of labor, the woman holds her breath and bears down, using abdominal muscles to push the baby through the birth canal. The individual holds their breath and contracts their abdominal muscles to create intra-abdominal pressure, which can help stabilize the spine and support the body during lifting or exertion.
53
STAGE FOUR
BEGINS AFTER DELIVERY OF PLACENTA AND IS COMPLETED AFTER THE STABILIZATION OF THE BIRTH PARENT AND INFANT; IT IS THE IMMEDIATE POSTPARTUM
54
MECHANISM OF LABOR:
ENGAGEMENT * DESCENT * FLEXION * INTERNAL ROTATION- * EXTENSION- * RESTITUTION & EXTERNAL ROTATION * EXPULSION-
55
ENGAGEMENT-
GREATEST DIAMETER OF FETAL HEAD PASSES THROUGH PELVIC INLET; CAN OCCUR LATE PREGNANCY OR EARLY LABOR
56
DESCENT- ( relation to…)
MEASURED BY STATION-DEGREE OF DESCENT OF FETUS IN RELATION TO ISCHIAL SPINES -5-0-+5
57
FLEXION-
HEAD FLEXES SO THAT SMALLEST DIAMETER PASSES THROUGH PELVIC ARCH
58
INTERNAL ROTATION-
HEAD ROTATES TO OCCIPITOANTERIOR POSITION TO PASS THROUGH ISCHIAL SPINES
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EXTENSION-
HEAD AT PERINEUM DEFLECTED ANTERIORLY
60
RESTITUTION & EXTERNAL ROTATION=PEEK- A- BOO
HEAD REVERTS BACK TO LATERAL AND SHOULDERS DESCEND. Parts of the head is out
61
EXPULSION-
ANTERIOR SHOULDER USUALLY COMES FIRST FOLLOWED BY REMAINDER OF BODY
62
Medications used
nalbuhine - not for opiate addicted women morphine - decrease paina nd pee sedatives (seconal)
63
HYDROTHERAPY-
STIMULATION OF NERVES IN SKIN AND VASODILATION; REDUCES * CATECHOLAMINE RELEASE
64
ALL ___________________ MEDS AFFECT FETUS
ORAL, IM, & IV
65
THE DECISION TO USE PAIN MEDS IN LABOR SHOULD BE MADE BY _______________________ * ASSESSMENTS ______________
THE DECISION TO USE PAIN MEDS IN LABOR SHOULD BE MADE BY THE WOMAN IN COLLABORATION WITH HER PHYSICIAN OR MIDWIFE * ASSESSMENTS NEEDED BEFORE AND DURING ADMINISTRATION
66
NALBUPHINE (NUBAIN)- * MORPHINE- * SEDATIVES- * FENTANYL-
AGONIST/ANTAGONIST DO NOT USE IN OPIATE * ADDICTED WOMAN (PRECIPITATE WITHDRAWAL SYNDROME) ONSET 30 SECS, PEAK 20 MINS, DURATION 2 HOURS INDUCES * SLEEP RELIEVE ANXIETY & INDUCE SLEEP. SECONAL, HYDROXYZINE OPIOID, USED PRIMARILY IN EPIDURAL AS AN ADJUNCT TO ANESTHETIC AGENTS
67
Medication assessments : maternal
* RESPIRATORY DEPRESSION * HYPOTENSION * URINARY RETENTION * DECREASED CONTRACTIONS
68
Assessments : Infant
FETAL/NEWBORN * BRADYCARDIA * RESPIRATORY DEPRESSION * APNEA * CYANOSIS * *****NARCAN (NALOXONE) – OPIOID ANTAGONIST * NEONATE – 0.01MG/KG IV, IM, SC * MATERNAL - 0.4-2MG IV Q2-3 MIN PRN CNS/RESP DEPRESSION
69
EPIDURAL ANESTHESIA ( disadvantages)* THINK ABOUT WHERE ITS PLACED*
DISADVANTAGES: * MAY NOT BE ABLE TO PUSH * LONGER LABOR THAN THOSE WITHOUT EPIDURAL * CONTRAINDICATIONS: * HEMORRHAGE, SPINAL INFECTION, ALLERGY, HYPOTENTION, FETAL DISTRESS, ITCHING * ANTICOAGULATION THERAPY, TUMORS NEAR SITE, HX OF SPINAL INJURY/SURGERY
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FENTANYL (SUBLIMAZE) - ADVERSE
* RESPIRATORY DEPRESSION (MATERNAL AND FETAL) * HYPOTENSION (MATERNAL) * CNS DEPRESSION (MATERNAL AND FETAL) * FHR CHANGES
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IF HYPOTENSIVE – ( FENTANYL)
IF HYPOTENSIVE – ADMINISTER 02, PLACE WOMAN IN LATERAL POSITION, INCREASE IV FLUIDS
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REGIONAL ANESTHESIA: SPINAL BLOCK *
LIDOCAINE-SUBARACHNOID SPACE-MIXES W/CSF * ADVANTAGES: DEEPER LEVEL OF ANESTHESIA; MOTHER HAS NO FEELING IN LOWER EXTREMITIES * ADVERSE EFFECTS: HYPOTENSION (MONITOR BLOOD PRESSURE)SPINAL HA, FETAL BRADYCARDIA. * NURSING INTERVENTIONS: VS, MOM FLAT, INCREASE FLUIDS, BLOOD PATCH
73
* INCREMENT * ACME * DECREMENT
buildup of contraction begins at the fundus and spreads throughout uterus peak of intensity the relaxation of the muscle
74
Woman should (pushing)
push for 6-8 seconds followe by a slight exhale repeating effort three to four times per contraction
75
convex and concave
flexed and extended
76
_____________is an ascending infection, originating in the lower genitourinary tract and migrating to the amniotic cavity
Chorioamnionitis
77
LOCAL BLOCK: PUDENTAL BLOCK
GIVEN IN THE 2ND STAGE OF LABOR JUST BEFORE DELIVERY BLOCKS SENSATION AROUND VAGINA * EPISIOTOMY REPAIR * DOESN’T DEPRESS NEONATE * ADVERSE: ALLERGIES, PROBLEMS PUSHING * INTERVENTIONS: ASSESS FOR LOCAL PAIN WHEN BLOCK WEARS OFF
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WHEN TO NOTIFY PHYSICIAN OR ANESTHESIOLOGIST/NURSE ANESTHETIST
* CONTRACTIONS * IF CONTRACTIONS STOP OR DECREASE * DECREASED BP * NON-REASSURING FHR * HYPOTENSION * SYSTOLIC BP <100 MMHG * 20% DECREASE IN BP FROM PRE-ANESTHESIA LEVELS
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GENERAL ANESTHESIA: IV PENTOTHAL.SUCCINYLCHODHOLINE THEN NITROUS OXIDE + 02
* MAINLY USED IN EMERGENCY CSECTION * RISKS FOR FETAL DEPRESSION, UTERINE RELAXATION, MATERNAL VOMITING & ASPIRATION * ENSURE WOMAN IS NPO * IV WITH LARGE BORE NEEDLE * PLACE FOLEY * ADMINISTER MEDS TO DECREASE GASTRIC ACIDITY (PANTOPRAZOLE) * WEDGE HIP PREVENT VENA CAVA SYNDROME * ASSIST WITH SUPPORTIVE CARE OF NEWBORN
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CERVIX RIPENED – ( bishop)
sOFT AND READY TO DILATE* BISHOP SCORE OF 8 OR MORE (BASED ON STATION, DILATION, EFFACEMENT, POSITION AND CONSISTENCY * PROSTAGLANDIN GEL * CERVIDIL INSERT (SE: N/V, FEVER, HYPOTENSION, UTERINE HYPER STIMULATION
81
METHODS OF INDUCTION
* AMNIOTOMY – ARTIFICIAL RUPTURE OF MEMBRANESASSESS FHR AFTER * OXYTOCIN (PITOCIN) IV – HORMONE THAT STIMULATES UC’S * NURSING INTERVENTIONS: TITRATE DRUG TO MATERNAL AND FETAL RESPONSE, VITAL SIGNS * D/C OXYTOCIN IF CONTRACTIONS TOO FREQUENT, CONTRACTIONS TOO LONG (>90 SECONDS), FHR NONREASSURING
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BETAMETHASONE * CLASS: * ACTION: * DOSE: * SIDE EFFECTS: * NURSING RESPONSIBILITIES: * TEACH PT:
BETAMETHASONE * CLASS: SYNTHETIC STEROID HORMONE * ACTION: STIMULATES FETAL LUNG MATURITY * DOSE: 0.6 MG PO * SIDE EFFECTS: HIGH GLUCOSE LEVELS, FATIGUE, FEVER, HUNGER DIZZINESS, FAINTING, ADRENAL CRISIS, CUSHINGOID FEATURES, DECREASED WOUND HEALING * NURSING RESPONSIBILITIES: MONITOR FLUID BALANCE, INFECTIONS * TEACH PT: TAPER GRADUALLY, INCREASE ACTIVITY, HIGH PROTEIN DIET, GOOD ASEPSIS, ABOUT SIDE EFFECTS
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