Review Flashcards
Pre-op cerebral angiogram
allergy to iodine?
check kidney function
take off jewelry
NPO 4-6 hrs before
sedation before and during procedure
edu SE of dye: metallic taste, warm sensation over face, jaw, tongue, lip and behind ears
post- op cerebral angiogram
inspect insertion site and distal extremities for pedal pulses, color and warmth
Electroencephalography (EEG)
assess electrical activity of brain
pre-op Electroencephalography (EEG)
wash hair
encourage sleep deprivation
doesnt need to be NPO
NO stimulants 12-24hr before
during procedure of Electroencephalography (EEG)
takes 1 hr
flashing lights may be used
pt may be asked to hyperventilate (increases electrical activity in brain)
Post op Electroencephalography (EEG)
normal activity resumed
assess GCS
Glass coma scale (GCS)
assesses LOC
<8 severe TBI
9-12 mod TBI
>13 minor TBI
ICP
monitor device inserted into cranial cavity that records pressure
risk for infection
signs of increased ICP
Irritability early sign
HA
Decreases in LOC
pupil abnormality
cheyne stokes, hyperventilate or apnea
abnormal posturing (decorticate or decerebrate)
cushing triad (severe HTN, widened pulse pressure and Bradycardia)
Normal ICP
10-15
Lumbar puncture (spinal tap)
sample of CSF to diagnose syphilis, MS, meningitis and infection
preop Lumbar puncture (spinal tap)
void before
position on one side in cannonball or stretch over bedside table
post op Lumbar puncture (spinal tap)
lay flat
monitor for HA (CSF leak)
give pain meds and fluids
if HA- give epidural blood patch to seal hole in dura
MRI
Assess for allergy to iodine/shellfish
check kidney function
check for Closter phobia
remove jewelry
ask if any metal implants (IUD has metal)
give earplugs (MRI is loud)
S/S of nociceptor pain
damage to tissue
throbbing, aching, localized
S/S neuropathic pain
Shooting, burning, pins and needles
AE of opioids
resp depression
constipation
urinary retention
ortho hypotension
Viral meningitis
most common
subsides on own- no abt
Bacterial meningitis
requires abt
high mortality rate
contagious (droplet)
vaccine to prevent (Hib in children and MCV4 in adults)
S/S of meningitis
nuchal rigidity (neck stiffness)
photophobia
fever/chills
AMS
Positive kernings sign (pain w/ leg extension)
positive brubenskis sign (flexion of neck with leg flexion)
Meningitis Dx
lumbar puncture - decreased glucose and cloudy CSF
Clear fluid= viral meningitis
elevated protein and WBC
Nursing interventions for meningitis
droplet precautions until after abt tx for 24hrs
quiet, dim lit room
elevate HOB 30
Avoid coughing and sneezing (can increase ICP)
seizure precautions
Meds for bacterial meningitis
Ceftriaxone, cefotaxime in combo with vanco
anticonvulsants (phenytoin)
for people who have been in contact: cipro, rifampin, or ceftriaxone
Risk factors for seizure
fever
cerebral edema
infection
exposure to toxins
brain tumors
hypoxia
alcohol and drug withdrawal
electrolyte imbalance
Tonic clonic seizures
tonic phase: stiffness and loss of consciousness
clonic phase: 1-2 min of rhythmic jerking of extremities
postictal phase: confused and sleepy
absent seizures
more common in children
resemble daydreaming:
blank stare, eye fluttering, lip smacking, picking at clothes
myoclonic seizures
brief jerking or stiffening of extremities
atonic seizures
loss of muscle tone
results in falling
status epilepticus
repeated seizure activity within 30 min of single seizure lasting >5 min
medical emergency
Nursing interventions during seizure
turn pt to side
NOTHING in mouth
loosen clothing
never restrain them
clear area to avoid injury
Parkinsons disease
too little dopamine and too much acetocholine
S/S of parkinsons disease
tremors
muscle rigidity
shuffling gait
bradykinesia
mask like expression
drooling with difficulty swallowing
Medications for parkinsons disease
sinemet
benztropine (anticholinegic)
Alzheimers meds
donepezil: prevents break down of ACH and increases the amount of ACH
Multiple sclerosis (MS)
no cure
common for relapse and remitting
Risk factors for MS
emotional stress
pregnancy
fatigue
extreme temps and overexertion
S/S of MS
diplopia (change in peripheral vision)
tinnitus
vertigo
decreased hearing acuity
dysphagia
muscle weakness
nystagmus (fluttering of the eye)
B & B dysfunction
Meds for MS
Azathioprine and cyclosporine’s - reduces relapses (Monitor for HTN and infection because its an immunosuppressant)
Amyotrophic lateral sclerosis (ALS)
neurological disorder: deterioration and death of motor neurons
death usually occurs within 3-5 yrs of manifestation
S/S of ALS
affects men more than women (40-70)
fatigue
muscle weakness
muscle atrophy
dysphagia
dysarthria
Lab tests for ALS
Increased Crt kinase lvl (CK-BB)
Riluzole
Med for ALS
slows down deterioration of motor neurons by decreasing release of glutamic acid
must be taken early in disease
adds 2-3 months of life
Nursing considerations for Riluzole
monitor liver function
assess for dizziness, vertigo and somnolence
edu for Riluzole
avoid alcohol
take q12hrs
store away from bright lights
Myasthenia Gravis
autoimmune disease
severe muscular weakness
worsens with increased activity
S/S of Myasthenia gravis
progressive muscle weakness
diplopia
difficulty chewing and swallowing
resp dysfunction
incontinence
ptosis (drooping of eyelids)
Nursing interventions for myasthenia gravis
small, frequent, high calorie meals when meds are at peak
lubricating eye drop in morning and ointment at night if unable to close eyes
Meds for myasthenia gravis
pyridostigmine and azathioprine
pyridostigmine
increases muscle strength
Nursing considerations for pyridostigmine
assess for hx of seizures
use in caution with hx of asthma and cardio disease
Plasmapheresis
for Myasthenia Gravis
removes circulating antibodies from the plasma
done several times over a period of days
Edu for migraines
avoid foods high in tyramine: pickles, caffeine, beer, wine, aged cheese, artificial sweeteners
Macular degeneration
central loss of vision
no cure
#1 cause of vision loss >60yrs old
Risk factors for macular degeneration
Smoker
HTN
female
S/S of macular degeneration
blurred vision
lack of depth perception
loss of central vision and blindness
Risk factors for cataracts
DM
smoking
eye trauma
chronic corticosteroid use
advanced age
S/S of cataracts
decreased visual acuity
blurred vision
diplopia
glare and light sensitivity
halo around eyes
progressive and painless loss of vision
absent red reflex
Edu for cataracts
wear sunglasses
avoid activities that increase IOP (bending, sneezing, coughing, straining, restrictive clothing and sex)
report pain and N/V (increased IOP)
Normal IOP
10-21
glaaucoma
disturbance of the functional or structural of the optic nerve
Open angle glaucoma
most common
angle between iris and sclera
aqueous humor outflow is decreased due to blockage in eyes causing rise in IOP
Closed angle glaucoma
less common
IOP rises suddenly
angle between sclera and iris closes suddenly which causes increased IOP
S/S of open angle glaucoma
HA
mild eye pain
loss of peripheral vision
decreased accommodation
elevated IOP
S/S of closed angle glaucoma
Rapid increase of IOP
decreased or blurry vision
halos around lights
pupils non reactive to light
severe pain and nausea
photophobia
tonometry
measures IOP
emergency tx for closed angle glaucoma
IV mannitol- decreases cerebral edema and pressure
Menieres disease
excessive fluid in ear (usually one sided)
S/S of menieres disease
vertigo
tinnitus
HA
N/V
hearing loss
Tx for menieres disease
Low Na diet and diuretics
Signs of left sided stroke
LEFT=LANGUAGE
aphagia
alexia (reading difficulty)
paralysis of right side of body
Signs of right sided stroke
RIGHT=RECKLESS
impaired visual and spacial awareness
altered perception of deficits (overestimation of abilities)
one sided neglect syndrome (cannot see, feel or move affected side so unaware of its existence)
poor impulse control and judgement
Nursing interventions for Stroke
Monitor for fever= increased ICP
Assess swallowing and gag reflex before feeding
homonomous hemianopsia (loss of same visual field in both eyes)- scan area before walking and eating
Tx of stroke
Anticoagulants are NOT RECOMMENDED
Antiplatelets- ASA
Thrombolytics given within 4.5 hrs of initial sx
Risk factors for spinal cord injury
males 16-30
high risk activities
alcohol or drug abuse
falls in older adults
S/S of Spinal cord injury
absent DTR
flaccidity of muscles
shallow resp
hypotension
dependent edema
loss of temp regulation
flaccid bladder, intermittent cathing (lower spinal injury)
spastic bladder and indwelling cath (upper spinal injury)
Meds for spinal cord injury
steroids- decrease spinal cord edema
vasopressors (norepinephrine and dopamine)- for hypotension
antimuscarinic (atropine)- bradycardia
plasma expanders (dextran)- hypotension
muscle relaxant (baclofen and dantrolene)
stool softeners
vasodilators (hydralazine and nitro)
S/S neurogenic hock
bradycardia
hypotension
flaccid paralysis
paralytic ileus
loss of reflex below injury
autonomic dysreflexia from spinal cord injury
extreme HTN
HA
pallor below injury
blurred vision
sweaty
restless
N/V
piloerection (goose bumps)
PaCO2
35-45
HCO3
21-28
Preop bronchoscopy
assess allergies and if theyre on any anticoagulants
remove dentures
NPO 8-12 hrs before
Post op Bronchocopy
Assess LOC
cough/gag reflex needs to return before oral intake
normal findings- dry throat and SCANT bloody sputum
positioning for thoracentesis
client sits upright
S/S of pneumothorax
deviated trachea
pain increases on exhalation
affected side doesnt rise and fall when breathing
increased HR
Raid shallow breaths
nagging cough
feeling of air hunger
Chest tube disconnection
from patient- exhale and cough and occlusive dressing taped on 3 sides
from drainage system- place end of tube in sterile water
tension pneumothorax caused by
prolonged clamping
kinks in tube
obstruction of tube
S/S of tension pneumothorax
tracheal deviation
absent breath sounds on one side
distended neck vein
resp distress
asymmetry of chest
cyanosis
Chest tube removal nursing interventions
pain med 30 min before
pt takes deep breath, exhale and bear down
petroleum gauze dressing
CXR as ordered
Nasal cannula
24-44% o2
1-6 L
simple face mask
40-60% o2
1-6L
partial rebreather mask
60-75% o2
6-11 L
keep reservoir bag from deflating by adjusting o2 flow rate
nonrebreather
80-95% o2
10-15 L
highest o2
keep 2/3 of bag full
Venturi mask
24-55%
2-10L
most precise
S/S of oxygen toxicity
nonproductive cough
substernal pain
nasal stiffness
N/V
fatigue
HA
sore throat
hypoventilation
Low pressure alarm on vent
disconnected
cuff leak
tube displacement
high pressure alarm on vent
excessive secretions
pt bitibg tube
kinks in tube
coughing
pulm edema
bronchospasm
pneumothorax
S/S of pneumonia
chest discomfort from coughing
confusion from hypoxia
fever
SOB
crackles and wheezes
medications for asthma
Albuterol (rescue, watch for tremors and tachycardia)
ipratropium (anticholinergic)
Salmeterol (beta 2 agonist)- prevents asthma attacks
S/S of COPD
Dyspnea upon exertion
crackles and wheezes
Rapid and shallow resp
using accessory muscles
barrel chest or increased chest diameter
hyperrosonance on percussion due to trapped air
clubbing of fingers
Resp acidosis
Theophylline
methylxanthines
relaxes smooth muscle of bronchi
for COPD
S/S of TB
night sweats and low grade fever
persistent cough >3 wks
purulent/bloody sputum
fatigue
wt loss
anorexia
Isoniazid
For TB
take on empty stomach
liver and kidney toxic
Give Vit B6 to prevent neurotoxicity
dont drink alcohol
Rifampin
For TB
Liver toxic- report jaundice
urine and secretions are orange
interferes with contraceptives
Pyrazinamide
For TB
liver toxic- report jaundice
drink extra fluids
No alcohol
Ethambutol
For TB
Visual acuity tests
not for children <13
report changes in vision ASAP
Risk factors for Pulmonary embolism
long term immobility
oral contraceptive use
tobacco use
obesity
surgery
HF or chronic Afib
Long bone Fx
S/S of pulmonary embolism
anxiety
pain on inspiration
dyspnea, air hunger
petechiae over chest and axillae
sweaty
tachypnea
tachycardia
hypotension
pleural friction rub
pneumothorax
air or gas in the pleural space that causes lung collapse
Flail chest
paradoxal chest movement
from multiple rib Fx
one side of chest unable to expand
CK-MB
0%
ELEVATED 4-6 Hrs for MI
Troponin T
norm <0.2
Troponin I
norm <0.03
Myoglobin
norm <90
S/S of cardiac tamponade
hypotension
JVD
muffled heart sounds
paradoxical pulses
implanted port
only accessed through huber (noncoring) needle
phlebitis S/S
redness at site
pain/burning
vein indurated (hard) - red streak or cordlike
Tx of phlebitis
dicontinue IV
Warm compress
restart with new tubing
Catheter thrombosis/emboli
Check if tip is intact, then D/C
if tip broken off, apply tourniquet high on extremity and prepare for surgery
infiltration
fluid leak into surrounding SQ from improper IV insertion or tape too tight becoming a tourniquet
Tx of infiltration
remove using direct pressure with gauze sponge until bleeding stops
apply cool compresses
elevation is optional
avoid starting IV in same extremity
Tx of Sinus bradycardia
only tx if symptomatic
atropine and isoproterenol
pacemaker
tx of Afib
amiodarone, adenosine, and verapamil
synchronized cardioversion
Vtach tx
has pulse: amiodarone, adenosine, verapamil and synchronized cardioversion
no pulse: amiodarone, lidocaine, epinephrine and defib
Vfib tx
Amiodarone, lidocaine, epinephrine and defib
pre op cardioversion
with afib, if no known duration, must take anticoagulants 4-6 wks before cardioversion to prevent dislodgment of clots
Post op pacemaker placement
minimize movement by applying sling
assess for hiccups- may indicate pacemaker pacing the diaphragm
Pt edu for pacemaker
no contact sports or heavy lifting for 2 months
dont place magnetic fields directly over pacemaker: garage door openers, burgalar alarms, speakers, generators
inform dentist about pacemaker
avoid MRIs and imaging
inform airport about pacemaker- will set alarm off
post op peripheral bypass graft
bedrest for 18-24 hrs with leg kept straight
discourage sitting for long periods of time
apply antiemetic stockings to promote venous return
variant angina
occurs during periods of rest
alteplase
thrombolytic
S/S of left sided HF
Dyspnea
orthopnea (SOB when lying down)
nocturnal dyspnea
fatigue
displaced apical pulse (hypertrophy)
gallop (s3)
pulmonary congestion
pink frothy sputum
AMS
oliguria