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125 Cards in this Set

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a sudden explosive, disorderly discharge of cerebral neurons and is characterized by a sudden, transient alteration in brain function, usually involving motor, sensory, autonomic, or psychic clinical manifestations and an alteration in arousal
seizure
a general term for the primary condition that causes seizures
epilepsy
a seizure lasting more than 30 minutes

repeated seizures 1 right after the other prior to the person regaining consciousness

general from abruptly stopping seizure meds, untreated, or inadequately treated people

It is an emergency, because of the cerebral hypoxia that can result resulting in mental retardation, dementia, or even death.
status epilepticus
seizure that begins locally and is confined to one part or one group of muscles
partial seizure/jacksonian seizure/focal motor
seizure that affects both hemispheres of the brain
generalized seizure

(grand mal, limited grand mal, or petit mal)
Time period that follows a seizure.

People will sleep, and often do not remember the seizure. They will wake up frightened, wondering what has happened.

Length of time it lasts varies.
postictal phase
a state of muscle contraction in which there is excessive muscle tone
tonic phase
a state of alternating contraction and relaxation of muscles
clonic phase
the person is awake, but unresponsive to you

rapid eye movements, repeating of words
focal gaze

(CM of partial/focal seizures)
a partial seizure experienced as a peculiar sensation preceding the onset of generalized seizure that may take the form of gustatory, visual or auditory experience or a feeling of dizziness, numbness, or just a "funny feeling"
aura
early clinical manifestations, such as malaise, headache, or depression, that may occur hours to a few days before the onset of a seizure
prodroma
What is the treatment for a seizure?
anti-epileptic drugs
diazepam
avoidance of triggers
What are the nursing implications for a seizure?
Teach the patient and family about the disorder, medications and importance of strict adherence, triggers, seizure precautions.

Driving and work restrictions: They must be stable on their medication and no seizure activity for 6 months to get their drivers license restored.

They should not work or drive heavy machinery, climb, use blades, etc
a defect of pattern recognition--a failure to recognize the form and nature of objects
agnosia
impairment of comprehension or production of language

happens in people who have had a stroke
dysphasia
loss of the comprehension or production of language

happens in people who have had a stroke
aphasia
inability to write
agraphia
an acute state of confusion that results from cerebral dysfunction secondary to drug intoxication, metabolic disorders, or nervous system disease
delirium
What are the CM of delirium?
difficulty in concentration
restlessness
irritability
tremulousness
insomnia
poor appetite
What is the treatment for delirium?
Treat the underlying cause.
a chronic state of confusion caused by degeneration, compression, atherosclerosis, or trauma
dementia
What is the test used to evaluate a person for dementia?
mini-mental exam
A progressive degenerative disorder of the cerebral cortex

It accounts for more than ½ of all dementias.
Alzheimer disease
What is the last thing to go in an Alzheimer patient?
long term memory
What disease can only be confirmed after death?
Alzheimers
What are the nursing implications for Alzheimer disease?
support, safety, medications, information, support groups for families, etc.
What are the CM of Alzheimer disease?
Initially, symptoms include forgetfulness, subtle memory loss, difficulty learning and retaining new info, inability to concentrate, and deterioration in personal hygiene and appearance.

Later, there is difficulty with judgment, communicating, restlessness, combativeness, nocturnal awakening, and disorientation.
What is normal intracranial pressure (ICP)?
5-15 mm Hg or 60-180 cm H20
What are some diseases/disorders that can affect ICP?
herniation
hemorrhagic stroke
tumor
hematoma
hydrocephalus
cerebral edema
something used to evaluate a person neurologically

evaluates eye opening, verbal and motor responses
Glasgow coma scale
On the Glasgow coma scale, would a mild head injury or severe head injury have more points?
mild head injury
decreased muscle tone
hypotonia
increased muscle tone
hypertonia
a gradual increase in muscle tone causing increased resistance until tone suddenly is reduced

a type of hypertonia
spasticity
type of hypertonia

muscle resistance to passive movement of a rigid limb that is uniform in both flexion and extension throughout the motion
rigidity
decreased movement

loss of voluntary movement despite preserved consciousness and normal peripheral nerve and muscle function
hypokinesia
partial paralysis with incomplete loss of muscle power

a type of hypokinesia
paresis
loss of motor function so that a muscle group is unable to overcome gravity

a type of hypokinesia
paralysis
excessive movement
hyperkinesia
abnormal, involuntary movement
dyskinesia
a decrease in associated and voluntary movements

caused by a deficiency in dopamine or a defect of the postsynaptic dopamine receptors
akinesia
slowness of voluntary movements
bradykinesia
an increase in the fluid content of brain tissue

occurs after brain insult from trauma, infection, hemorrhage, tumor, ischemia, infarct, or hypoxia
cerebral edema
involves the head striking a hard surface or a rapidly moving object striking the head

the dura remains intact, and brain tissues are not exposed to the environment
closed (blunt) trauma
occurs when a break in the dura results in exposure of the cranial contents to the environment
open (penetrating) trauma
an injury to parts of the brain located on the side opposite that of the primary injury, as when a blow to the back of the head forces the frontal and temporal lobes against the irregular bones of the anterior portion of the cranial vault
contrecoup
bruising and bleeding that occurs from the force of impact

impact causes small tears in blood vessels
contusion
a swelling comprising a mass of extravasated blood (usually clotted) confined to an organ, tissue, or space and caused by a break in a blood vessel
hematoma
What is usually the cause of a subdural hematoma?
head injury/trauma
What can a subdural hematoma lead to?
increased ICP and herniation
an injury resulting from impact with an object

partial or complete loss of function, as that resulting from a blow or fall

may or may not lose consciousness
concussion
What are the CM of postconcussive syndrome?
headache
nervousness
anxiety
irritability
insomnia
depression
inability to concentrate
forgetfulness
fatigability
injury to the cervical vertebrae and adjacent soft tissues produced by a sudden jerking or relative backward or forward acceleration of the head with respect to the vertebral column
whiplash
common in people 30 to 60 years of age and older

caused by biochemical and biomechanical alterations of the intervertebral disk tissue
degenerative disk disease (DDD)
disease marked by progressive cartilage deterioration in synovial joints and vertebrae

people complain of being stiff in the morning before exercise
degenerative joint disease (DJD)
structural defect involving the neural arch of the vertebra

affects lumbar spine most often
spondylolysis
occurs when a vertebra slides forward in relation to the vertebra below, commonly occurring at L5-S1
spondylolisthesis
a narrowing of the spinal canal caused by degenerative or traumatic changes at the level of the lumbar vertebrae

causes a lot of pain
spinal stenosis
degeneration of the sciatic nerve

causes pain in the back of the thigh
sciatica
a protrusion of part of the nucleus pulposus through a tear in the posterior rim of the annulus fibrosus

usually caused by trauma, DDD, or both
herniated intervertebral disk
any disease of a nerve root
radiculopathy
any disease of the nerve

causes numbness and tingling in the joints
neuropathy
Third leading cause of death and disability in the US, mainly occurring in older adults . Incidence is greater in blacks and women.

a sudden, nonconvulsive focal neurologic deficit
cerebrovascular accident/CVA/stroke
What are the risk factors for having a stroke?
hypertension
smoking
diabetes
polycythemia
thrombocythemia
presence of lipoprotein-a
impaired cardiac function
atrial fibrillation
occurs when the cerebral arteries are occluded by plaques. The plaques either occludes completely or breaks off and travels upstream.
thrombotic stroke
An artery that contains blockage may spasm, causing neuro deficits that resolve in 24 hours with no residual dysfunction.

a "mini-stroke"
transient ischemic attack (TIA)
the terminology used for thrombotic stroke because symptoms are slowly progressive over minutes to hours
stroke-in-evolution (progressive stroke)
a thrombotic stroke that has reached its maximum destructiveness
completed stroke
type of stroke that involves fragments that break from a thrombus formed outside the brain, in the heart, aorta, or common carotid
embolic stroke
What are the risk factors for an embolic stroke?
atrial fibrillation
myocardial infarction
endocarditis
rheumatic heart disease
carotid artery plaques
Why does a second stroke often follow an embolic stroke?
because the source continues to exist
type of stroke caused by the rupture of a cerebral artery or vein that results in blood loss into the ventricular system.

Sx are abrupt in onset, and loss of consciousness is common.
hemorrhagic stroke (intracranial hemorrhage)
What are the risk factors for a hemorrhagic stroke?
long term elevation of systolic BP
aneurysms
bleeding into a tumor
head trauma
illicit drug use
small area of infarct that occur in hypertension and diabetes, less than 1 cm in diameter
lacunar stroke
What are the CM of a stroke?
Depend on the area of the brain involved.

Cerebral edema occurs and takes up to 2 weeks to resolve, so degree of disability is not easily determined initially.
What are the CM of a hemorrhagic stroke?
acute headache and sudden LOC

If the patient goes into a deep unconscious state, the person rarely survives.
What is the treatment for a thrombotic stroke?
TPA, an anticoagulant drug
What is the treatment for a hemorrhagic stroke?
surgery
What are the nursing implications for a stroke patient?
Always keep the patient’s head elevated to prevent cerebral edema and promote venous return.
Generally benign reoccurring headache often triggered by stress, hunger, fatigue, red wine, nitrates, MSG, chocolate, cheese, hormonal fluctuation, medications.

Generally, unilateral.
migraine
What is the treatment for a migraine?
medication
dark room
rest
type of headache that occurs primarily in men

several attacks can occur during the day for several days, followed by none for weeks or months. It can occur without warning, and can be severe, unilateral tearing, burning periorbital pain lasting 30-120 mins.

Usually occurs at the same time of day, and on the same side
cluster headache
What are the CM of cluster headache?
lacrimation
reddening of the eye
nasal stuffiness
eyelid ptosis
nausea
pain referred to the face and teeth.
Most common type of headache

mild to moderate band like or pressure around the head without other associated symptoms
tension-type headache
What are the 2 types of cerebral tumors?
primary intracerebral
primary extracerebral
infection of the meninges
meningitis
What are some causes of meningitis?
bacteria
viruses
fungi
tuberculosis (TB)
What are the CM of meningitis?
nuchal ridigity (inflexibility of neck movement)
Kernig sign
Brudzinski sign
inability to extend the leg with the hip flexed at a right angle

CM of meningitis
Kernig sign
flexion of the legs and thighs with forceful flexion of the neck onto the chest

CM of meningitis
Brudzinski sign
How is meningitis treated?
antibiotics

if it is viral, use supportive measures
What are the nursing implications for meningitis?
Neuro exam - looks for changes in LOC
Seizure precautions
Support patient and family
localized collection of pus within in the parenchyma of the brain and spinal cord

often occur after trauma, neurosurgery, ear infection, or infection
abscess
What are the CM of an abscess?
fever
changes in LOC
seizures
headache
N/V
nuchal rigidity
confusion
What is the treatment for an abscess?
treat cause
antibiotics
ventilation
nutrition
wound care
lumbar puncture
supportive therapy
an acute febrile illness, usually of viral origin, with nervous system involvement

inflammation of the white and gray matter of the brain

causes increased intracranial pressure
encephalitis
What is the most common cause of encephalitis?
virus

*can be caused by HIV
What is the treatment for encephalitis?
anti-viral drugs
lumbar puncture
What can HIV cause?
cerebral complications
What carries Lyme disease?
ticks
disease that can cause encephalitis, meningitis, meningeal inflammation
Lyme disease
How is Lyme disease treated?
antibiotics
degenerative disorder involving the dopamine receptors, causing deficiency, otherwise etiology is unknown

thought caused by genetics, exposure to toxins (manganese dust, CO)

generally affects men aged 40 and up.
Parkinson disease
What are the CM of Parkinson disease?
muscle rigidity
tremors
akinesia (gait and movement disturbances)
mask-like facial expression
drooling
higher pitched voice
impaired speech
difficulty swallowing
What is the treatment for Parkinson disease?
drug therapy to treat symptoms
What are the nursing implications for Parkinson disease?
psychosocial support
education
physical therapy
Primary demyelinating disorder leading to widespread neurologic dysfunction (forms hard yellow plaques of scar tissue)

It does not affect the PNS.

Generally affects people age 20-50, and twice as many women as men.
Multiple sclerosis (MS)
What are the CM of multiple sclerosis?
Initially vision problems and sensory impairment such as parathesias that can be transient.

Later, blurred vision, diplopia, poorly articulated speech, muscle weakness and spasticity, hyperreflexia, urinary problems, tremor, gait ataxia.
What is the treatment for multiple sclerosis?
steroids
muscle relaxants
meds for urinary retention
physical therapy
supportive measures
What are the nursing implications for multiple sclerosis?
exercises to improve urinary retention
assistive devices
exercises
psycho/social supportive measures
support groups
degenerative disorder diffusely involving lower and upper motor neurons resulting in progressive muscle weakness
amyotrophic lateral sclerosis (ALS)
What are the CM of ALS?
impaired speech/chewing/swallowing/choking
excessive drooling
difficulty breathing
depression and crying spells
inappropriate laughing
absent abdominal or cremasteric reflexes
absent Babinski sign
EMG changes
thinning of the skin
thickening of the nails
loss of body hair
decreased perspiration
What does ALS lead to that can cause death?
respiratory failure
What is the treatment for ALS?
drugs (Rilutek)
muscle relaxants for spasticity
What are the nursing implications for ALS?
supportive care
hospice
Acquired inflammatory disease (humoral and cell mediated immunologic) that results in demyelination of the peripheral nerves, generally preceeded by a campylobactor jejuni infection

The humoral component blocks conduction of nerve impulses to muscles and results in paralysis.
Guillain-Barre syndrome
What are the CM of Guillain-Barre syndrome?
: May vary from paresis of the legs to complete quadriplegia, respiratory insufficiency, and ANS instability. There may be burning, tingling pain… Generally, an ascending paralysis that usually plateaus and improves in 4 weeks. May take days to months to return to baseline, if it does.
What is the treatment for Guillain-Barre syndrome?
IV immune globin, respiratory support if needed, aggressive physical therapy. Plasmapheresis to reduce circulating antibodies.
What are the nursing implications for Guillain-Barre syndrome?
Ventilator management, ROM (range of motion exercises), nutrition, support, turn q2h, etc.
A chronic autoimmune disease mediated by antiacetylcholine receptor antibodies that act at the neuromuscular junction.

These antibodies attach to the acetylcholine receptor sites, blocking, destroying, and weakening these sites, leaving them insensitive to acetylcholine, thereby blocking neuromuscular transmission.

Often associated with other autoimmune disorders: rheumatiod arthritis, lupus, and thyroid disease.

Strong association with thymus gland hyperplasia (.8)
Myasthenia gravis
What are the CM of myasthenia gravis?
Symptoms of fatigue, weakness that worsens with activity, recurring URI. The muscles of the eyes, face, mouth, throat, neck are generally affected first. The EOMI muscles and levator muscles are most affected. Diplopia, ptosis, and ocular palsies.
occurs when severe muscle weakness causes extreme quadriparesis or quadriplegia, respiratory insufficiency with SOB, and extreme difficulty swallowing

puts person in danger of respiratory arrest

generally occurs 3-4 hours after person takes medication
myasthenic crisis
similar to myasthenic crisis but arises from anticholinesterase drug toxicity and occurs 30-60 minutes after taking medication
cholinergic crisis
What is the treatment for myasthenia gravis?
anticholinesterase drugs to counteract fatigue and restore about 80% of muscle function. Corticosteriods. Plasmapheresis to remove acetylcholine receptor antibodies.
What are the nursing implications for myasthenia gravis?
Supportive, respiratory support, plasmaphoresis, support groups, etc.