Exam 2 Flashcards
Why are C3-C5 injuries the most severe?
damage to phrenic nerve which is associated with the diaphragm
What injuries are most common?
cervical and lumbar
What area of the body is affected during a C4 injury?
below neck
What area of the body is affected during a C6 injury?
below shoulders
What area of the body is affected during a T6 injury?
below chest
What area of the body is affected during a L1 injury?
below waist
What are the primary mechanism of injury? (6)
Hyperflexion
Hyperextension
Flexion & extension
Axial loading/vertical compression
Excessive rotation
Penetrating trauma
Hyperflexion direction?
forward
Hyperextension direction?
backward
Flexion & Extension injury?
whiplash
What are secondary mechanisms of injury?
worsens the primary injury; may be reversible within the 1st 4-6hrs w/ early intervention
What are the causes of secondary injury? (5)
Hemorrhage
Ischemia
Hypovolemia
Impaired tissue perfusion
Local edema
What is the emergency management of someone who has a suspected c-spine injury?
immobilize head and neck in neutral position w/ C-collar and hard backboard
What are our priorities when caring for a trauma pt?
- Stop uncontrolled bleeding
- Immobilize C-spine
- ABCs
- resp function/perfusion/cardiac assessments
- GCS score
- sensory/mobility/neuro assessments
- pain assessment
- GI/GU assessment
What GCS score means intubation is indicated?
<8
ABCDEFGHI?
Airway
Breathing
Circulation and Control bleeding
Disability
Expose & Environmental control
Full set VS, Facilitate adjuncts, Family
Get monitoring devices, Give comfort
History and Head-to-Toe assessment
Inspect posterior surface
What diagnostic studies can you anticipate for a client with a suspected SCI?
CT scan: complete or incomplete injury
Cervical XR: hard to see C7 & T1
MRI: soft tissue
Comprehensive neurologic exam: q1hr
CT angiogram: vertebral artery damage
What is spinal shock?
Complete but temporary loss of motor, sensory, reflex, and autonomic function
What manifestations are associated with spinal shock?
Bradycardia
Hypotension
Low CO
No sweating below level of injury
Flaccid paralysis
Loss of sensation
Bowl and bladder dysfunction
Warm, dry extremities
How long does spinal shock last?
48hrs but can last for weeks
What is the onset of spinal shock?
occurs w/in 30-60min of injury
How do we treat spinal shock?
Keep MAP >85 using vasoconstrictors (levophed, sudophed)
Steriods: antiinflammatory
Keep normothermia
What is autonomic dysreflexia?
Exaggerated autonomic response to stimuli
What manifestations are associated with AD?
HTN (can cause stroke)
Bradycardia
Severe headache
Profuse sweating above level of injury
Flushing of skin/goosebumps
Blurred vision/spots in visual field
Apprehension
How is AD caused?
Distended bladder (most common)
Distended bowel
Skin stimulation
How do we treat and prioritize interventions for a client with AD?
- raise HOB
- find cause
- treat cause
- notify provider
- monitor and treat BP (vasodilators)
What is neurogenic shock?
hemodynamic changes resulting from sudden loss of autonomic tone
How is neurogenic different from spinal shock?
neurogenic is circulatory in nature
When does neurogenic shock occur?
24hrs following injury
What are manifestations of neurogenic shock?
Hypotension
Bradycardia
Low CO
Wide pulse pressure
Warm, flushed skin
Labored breathing
Dizziness
What kind of injury is Anterior Cord Syndrome?
flexion and compression injury
What damage is done during Anterior Cord Syndrome?
damage to anterior spinal artery
Manifestations of Anterior Cord Syndrome?
motor paralysis and loss of pain and temp sensation below level of injury
What kind of injury is Brown-Sequard Syndrome?
penetrating injury
What damage is done in Brown-Sequard Syndrome?
damage to 1/2 of cord
Manifestations of Brown-Sequard Syndrome?
Ipsilateral loss of motor function
Contralateral loss of pain and temp sensation
What kind of injury is Central Cord Syndrome?
Hyperextension
Manifestations of Central Cord Syndrome?
burning pain in upper extremities
How do TED hose and abdominal binders help orthostatic hypotension?
maintain blood volume
What meds prevent stress ulcers?
H2 receptor blockers (Famotidine, Cimetidine)
PPIs (Omeprazole, Pantoprazole)
What happens to the vagina during pregnancy?
becomes more acidic, therefore, more prone to yeast infections
What blood components increase during pregnancy?
WBC and fibrinogens
What happens to the respiratory status during pregnancy?
hyperventilation
respiratory alkalosis
What happens to insulin levels during pregnancy?
increases
What meds can pregnant ladies take to help with common discomforts?
tylenol & tums
What is the intervention for supine hypotension?
lay pregnant lady on left lateral side
Recommended wt gain during pregnancy for normal BMI?
28-35lbs
Recommended wt gain during pregnancy for underweight?
28-40lbs
Recommended wt gain during pregnancy for overweight?
15-25lbs
Recommended wt gain during pregnancy for obese?
11-20lbs
1st trimester length
1-13 weeks
How often are prenatal visits during the 1st trimester?
monthly
How much wt are you supposed to gain during 1st trimester?
1-4.5lb
What happens in the first prenatal visit?
- EDB (estimate due date)
- Health assessment
- pelvic exam/pap smear
- med reconciliation
- safety topics
- labs
What kind of labs do they order during the initial prenatal visit?
Blood typing
Rubella viral antigen screen
Hepatitis panel
STDs
What ed is provided during 1st trimester?
basics of what to expect during pregnancy
required nutrition
possible complications
fetal growth/development
2nd trimester length
14-26 weeks
In what trimester do you measure fundal height?
2nd trimester
How do you evaluate fundal height measurements?
weeks gestation should = measurement of fundal height
What measured difference in fundal height identifies a problem?
> 2cm< difference
What is leopold’s maneuvers?
palpating position of baby
What are the 1st signs of supine hypotension syndrome?
sweaty, dizzy
Which labs are assessed during the 2nd trimester?
Gestational DM screening
Rh(D) factor screening
When is gestational DM screening performed?
24-28weeks
1hr glucose tolerance test details?
don’t need to fast
50g oral glucose load
130-140 could indicate DM
3hr glucose tolerance test details?
need to fast
100g oral glucose load
1,2,3hr checks
2 of 4 elevated BS samples = diagnosis
What fasting glucose level indicates gestational diabetes?
> 95
After 1hr what BS level indicates gestational diabetes?
> 180
After 2hr what BS level indicates gestational diabetes?
> 155
After 3hr what BS level indicates gestational diabetes?
> 140
When is Rh(D) factor screening performed?
28 weeks
What Rh(D) factor screening result indicates a need for Rhogam prophylactically?
negative blood type
Why is Rhogam important to administer?
worried about viability of 2nd pregnancy
What ed is included during the 2nd trimester?
benefits of breastfeeding
seat belt safety
travel
fetal movement
complications
childbirth classes
develop birth plan
How many cal should pregnant lady consume during 2nd trimester?
350 calories?
How much wt should pregnant lady gain during 2nd & 3rd trimester?
1-2lbs per week
3rd trimester length?
27-40 weeks
How often are prenatal visits after 28 weeks?
every 2 weeks
How often are prenatal visits after 36 weeks?
weekly
How many fetal movements (kicks) should mom feel in an hour?
3 kicks
What labs are performed during 3rd trimester?
Hct & Hgb (H&H)
Group B strep screening
When is Group B strep screening performed?
35-37 weeks
If a pregnant lady is + for Group B strep what are the interventions?
antibiotics during labor 2-3 does
What ed is included during the 3rd trimester?
childbirth classes
coping methods
pain management
signs of labor
infant care
postpartum care
kick counts
How many calories is pregnant lady supposed to consume during 3rd trimester?
450 calories
When is the NST performed?
3rd trimester
Nursing considerations for NST?
Instruct pt to press the button on the event marker each time they feel a fetal movement
What NST finding is good?
reactive
Normal FHR?
accelerates at least 15bpmx15sec
occurs 2 or more times during 20min period
What assess fetal well-being measuring 5 variables with score of 0 or 2 (in 30min)?
BPP
What BPP result is normal?
8-10
What BPP result is critical?
less than 4
What are the 5 variables involved in a BPP?
FHR
Muscle tone
Body movements
Breathing movements
Amniotic fluid volume
What values can an amniocentesis provide?
fetal lung maturity
Alpha-fetoprotein (AFP)
What does high AFP indicate?
neural tube defects
What does low AFP indicate?
chromosomal disorders
Nursing considerations for amniocentesis?
- wedge under R hip to displace uterus off vena cava
- administer Rhogam if indicated
HELLP Syndrome?
Hemolysis
Elevated Liver Enzymes
Low Platelets
When does gestational HTN present itself?
20 weeks gestation
What are the 2 ways to diagnose preeclampsia?
> 140/90 (on 2 occasions at least 4hr apart) & Proteinuria
OR
140/90 (on 2 occasions at least 4hr apart) & S/S of organ damage
What is the patho of preeclampsia?
abnormal placentation = poor perfusion
What is the term for severe preeclampsia?
eclampsia (tonic-clonic seizure)
Sign of renal damage?
creatine >1.1
Sign of liver damage?
R upper quadrant pain
elevated liver enzymes (AST/ALT)
Sign of pulmonary damage?
edema occurs fast 1-2 days
Sign of CNS damage?
seeing stars
hyperreflexia
Low platelet value?
<100,000
What meds are administered to combat preeclampsia?
magnesium sulfate
labetalol
hydralazine
nifedipine
How long is magnesium sulfate administered?
throughout labor and postpartum 24hrs
What are the early signs of magnesium sulfate toxicity?
warmth, flushing
What is the antidote for magnesium sulfate toxicity?
calcium gluconate
What are S/S of magnesium sulfate toxicity?
decreased BP
decreased urine output
respirations <12
patella reflex absent
Indication for magnesium sulfate?
used to prevent seizures & provide neurological protection
Interventions for A1 GDM?
diet controlled & no meds
Interventions for A2 GDM?
meds (metformin/insulin)
Complications of gestational diabetes?
large babies
hypoglycemia after delivery
After birth, when do pts follow-up with their provider when they had gestational diabetes?
6-12 weeks
Description of placenta previa?
placenta is covering cervical os in different severities
Which pregnancy complication indicates that vaginal delivery is not possible?
placenta previa
S/S of placenta previa?
may or may not have vaginal bleeding
painless
What is the treatment for placenta previa?
no vaginal exams or intercourse
What are risk factors for placental abruption?
cigarette smoking
HTN disorders
cocaine use
What are S/S of placental abruption?
abdomen appears board-like
vaginal bleeding
Treatment for placental abruption?
emergency C-section
What is the Kleihauer-Betke test?
associates’ fetal blood in maternal circulation
S/S of ectopic pregnancy?
sharp, stabbing pain in lower abdomen
scant, dark red, or brown vaginal discharge
referred shoulder pain
Treatment for ectopic pregnancy?
methotrexate
surgery
S/S of impending labor? (3)
contractions are regular
presence of bloody show or lose mucus plug
wt loss of 1-3lbs
5P’s: crucial factors affecting L&D?
Powers (contractions)
Passageway
Passenger
Psyche
Postion
primary contractions
involuntary
Frequency definition?
beginning of one contraction to the beginning of another
Duration definition?
beginning to end of one contraction
How is intensity of contractions evaluated?
palpation of abdomen
How much should mom be dilated before pushing?
10cm
How much should mom be effaced before pushing?
2cm
Effacement definition?
thinning & shortening of cervix
Ballotable definition?
fetus is up high
3 factors involved in fetal station assessment?
engagement
presentation
position
Zero station?
fetal head is by ischial spine in pelvis
Negative station?
baby is high (not engaged)
Positive station?
baby is low (engaged)
Presentation?
lie & attitude
Appropriate lie for delivery?
longitudinal
Attitude?
flexion
Attitude:extension position?
face first
What fetal body part should come out first?
occiput
Ideal fetal position for delivery?
right occipitoanterior or left occipitoanterior
Cervical Ripening Agents (3)?
dinoprostone (cervidil)
misoprostol (cytotec)
foley bulb
What is a bishop score used for?
to determine need for induction
What factors are involved with bishop scoring?
position
consistency
effacement
dilation
baby’s station
The higher the bishop score?
better candidate for induction
Bishop score indicating need for induction for primipara?
6 or greater
Bishop score indicating need for induction for multipara?
8 or greater
What does external fetal monitoring measure?
frequency and duration of contractions
What does internal fetal monitoring measure?
frequency, duration, intensity of contractions
How long do you count to obtain FHR?
2min
Normal FHR?
BPM
110-160
What is the indication for tocolytics?
slow labor
Examples of tocolytics?
nifidipine
magnesium sulfate
terbutaline
indomethacin
When to use tocolytics?
btw 24-34 weeks gestation
What corticosteroids are used to develop fetal lung maturity?
betamethasone
dexamethasone
S/S of true labor?
cervical change (dilation, effacement)
What is the 4-1-1 rule?
new contraction every 4min that lasts at least 1min and contractions occurring for 1hr
When should a mom go to the hospital? (5)
decrease in fetal activity
break their water
vaginal bleeding
consistent abdominal pain
pt is concerned about anything
What is involved in the 1st stage of labor?
regular contraction to complete dilation
What is latent dilation?
0-3cm
What is active dilation?
4-7cm
What is transitional dilation?
8-10cm
What is involved in the 2nd stage of labor?
cervical dilation to delivery of fetus
What is involved in the 3rd stage of labor?
birth of fetus to when placenta is delivered
How long does it take to deliver the placenta?
5-30min
What are S/S of placental separation? (3)
cord lengthens
uterus has globular shape (rises in abdomen)
sudden gush of blood
What med is used to treat placental separation?
Pitocin (oxytocin)
What is involved in the 4th stage of labor?
maternal hemostatic stabilization
continues for 1-4hrs after delivery of placenta
What is the gate control theory of pain?
focused concentration or distraction blocks painful stimuli
Positives of nitrous oxide?
helps reduce anxiety
quick onset
small duration
S/E of nitrous oxide?
giddiness or dizziness
Common IV opioids used during L&D?
Fentanyl
Stadol
Nubain
S/E of IV opioids?
lower BP
itching
nausea
S/E of epidural?
lower BP
slower labor
fever
Nursing responsibilities during epidural administration?
IV fluid bolus before
consent
assess for bladder distension
lateral in fetal position
external fetal monitor
Best time to get an epidural?
whenever they want
try to wait longer until the active phase
Benefits of not administering epidural?
reduce risk of infection
reduce risk of spinal headache
have control of body
less tearing
How is the pudendal block administered?
transvaginally
Variability definition?
difference btw lowest point of FHRr and highest point (amplitude)
How long is variability assessed?
over 1min
What is minimal variability?
<5bpm
What is moderate variability?
6-25bpm
What is the normal variability?
10-15bpm
What is marked variability?
> 25bpm
What is the primary indicator of fetal well-being?
variability
What is normal accelerations?
rise in FHR of at least 15bpm that lasts for 15sec
Accelerations are a positive or negative indicator?
positive
VEAL CHOP MINE
(VCM)?
Variable deceleration
Cord compression
Maternal repositioning
VEAL CHOP MINE
(EHI)?
Early deceleration
Head compression
Identify labor progress
VEAL CHOP MINE
(AON)?
Acceleration
Okay
No interventions
VEAL CHOP MINE
(LPE)?
Late deceleration
Placental insufficiency
Excute interventions
What fetal heart tone pattern “mirrors” contractions?
early decelerations
When do variable decelerations become concerning?
when they occur with contractions
What fetal heart tone pattern is concerning when it occurs at the peak of a contraction?
late decelerations
Interventions for late decelerations?
reposition mom to L lateral side
increase IV fluids
stop pitocin
apply O2
notify provider
How often should vitals be taken during pitcoin administration?
30-60min
How often should pitcoin be titrated?
30-60min
What are nursing responsibilities with pitocin?
vitals
titration
continuous fetal monitoring
monitor for signs of labor
urine output
How often should the nurse monitor for signs of labor when administering pitocin?
5-15min
How long are too long contractions?
greater than 90sec
>2min apart
What do long contractions indicate?
hypertonic uterus
fetus hypoxia
If membranes are rupture for more than 24hrs what is the nurse’s concern?
infection
What would the nurse need to notice when membranes rupture?
time, amount, color, odor
What is the pH of amniotic fluid?
alkaline
With what complications do you not want to induce labor?
cord prolapse
placenta previa
Risk factors for cord prolapse?
polyhydramnios
multiple fetuses
prematurity
ROM
negative station
What is amniotomy?
artificially rupture membranes
What are nursing interventions for cord prolapse?
keep hand inserted in vagina
position pt in knee-chest position
elevate fetal head off umbilical cord with gloved finger
emergency C/S
What is shoulder dystocia?
fetal shoulder is stuck
What is a sign of shoulder dystocia?
turtle sign
What are nursing interventions for shoulder dystocia?
suprapubic pressure
mcrobert’s maneuver
What is mcrobert’s maneuver?
frog legs
What is chorioamnionitis?
intraamniotic infection
S/S of chorioamnionitis?
maternal hyperthermia, tachycardia
fetal tachycardia
Nursing interventions for chorioamnionitis?
IV antibiotics for mom and infant
What are risk factors for preterm birth?
lower education and income level
extreme ages
african american ethnicity
Diagnostics for preterm birth?
fetal fibronectin (fFN)
ultrasound of cervical length
What does a positive fFN level indicate?
> 50
active labor within 10 days
What cervical length indicates possibility of preterm birth?
<25mm
What is the treatment for preterm birth?
bedrest
reduce stress
no intercourse
L lateral position
hydration