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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
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seizure
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a general term for the primary condition that causes seizures
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epilepsy
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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
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seizure that begins locally and is confined to one part or one group of muscles
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partial seizure/jacksonian seizure/focal motor
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seizure that affects both hemispheres of the brain
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generalized seizure
(grand mal, limited grand mal, or petit mal) |
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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
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a state of muscle contraction in which there is excessive muscle tone
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tonic phase
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a state of alternating contraction and relaxation of muscles
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clonic phase
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the person is awake, but unresponsive to you
rapid eye movements, repeating of words |
focal gaze
(CM of partial/focal seizures) |
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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"
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aura
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early clinical manifestations, such as malaise, headache, or depression, that may occur hours to a few days before the onset of a seizure
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prodroma
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What is the treatment for a seizure?
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anti-epileptic drugs
diazepam avoidance of triggers |
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What are the nursing implications for a seizure?
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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 |
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a defect of pattern recognition--a failure to recognize the form and nature of objects
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agnosia
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impairment of comprehension or production of language
happens in people who have had a stroke |
dysphasia
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loss of the comprehension or production of language
happens in people who have had a stroke |
aphasia
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inability to write
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agraphia
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an acute state of confusion that results from cerebral dysfunction secondary to drug intoxication, metabolic disorders, or nervous system disease
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delirium
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What are the CM of delirium?
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difficulty in concentration
restlessness irritability tremulousness insomnia poor appetite |
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What is the treatment for delirium?
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Treat the underlying cause.
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a chronic state of confusion caused by degeneration, compression, atherosclerosis, or trauma
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dementia
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What is the test used to evaluate a person for dementia?
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mini-mental exam
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A progressive degenerative disorder of the cerebral cortex
It accounts for more than ½ of all dementias. |
Alzheimer disease
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What is the last thing to go in an Alzheimer patient?
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long term memory
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What disease can only be confirmed after death?
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Alzheimers
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What are the nursing implications for Alzheimer disease?
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support, safety, medications, information, support groups for families, etc.
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What are the CM of Alzheimer disease?
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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. |
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What is normal intracranial pressure (ICP)?
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5-15 mm Hg or 60-180 cm H20
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What are some diseases/disorders that can affect ICP?
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herniation
hemorrhagic stroke tumor hematoma hydrocephalus cerebral edema |
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something used to evaluate a person neurologically
evaluates eye opening, verbal and motor responses |
Glasgow coma scale
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On the Glasgow coma scale, would a mild head injury or severe head injury have more points?
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mild head injury
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decreased muscle tone
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hypotonia
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increased muscle tone
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hypertonia
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a gradual increase in muscle tone causing increased resistance until tone suddenly is reduced
a type of hypertonia |
spasticity
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type of hypertonia
muscle resistance to passive movement of a rigid limb that is uniform in both flexion and extension throughout the motion |
rigidity
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decreased movement
loss of voluntary movement despite preserved consciousness and normal peripheral nerve and muscle function |
hypokinesia
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partial paralysis with incomplete loss of muscle power
a type of hypokinesia |
paresis
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loss of motor function so that a muscle group is unable to overcome gravity
a type of hypokinesia |
paralysis
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excessive movement
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hyperkinesia
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abnormal, involuntary movement
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dyskinesia
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a decrease in associated and voluntary movements
caused by a deficiency in dopamine or a defect of the postsynaptic dopamine receptors |
akinesia
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slowness of voluntary movements
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bradykinesia
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an increase in the fluid content of brain tissue
occurs after brain insult from trauma, infection, hemorrhage, tumor, ischemia, infarct, or hypoxia |
cerebral edema
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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
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occurs when a break in the dura results in exposure of the cranial contents to the environment
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open (penetrating) trauma
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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
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contrecoup
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bruising and bleeding that occurs from the force of impact
impact causes small tears in blood vessels |
contusion
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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
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hematoma
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What is usually the cause of a subdural hematoma?
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head injury/trauma
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What can a subdural hematoma lead to?
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increased ICP and herniation
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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
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What are the CM of postconcussive syndrome?
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headache
nervousness anxiety irritability insomnia depression inability to concentrate forgetfulness fatigability |
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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
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whiplash
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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)
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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)
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structural defect involving the neural arch of the vertebra
affects lumbar spine most often |
spondylolysis
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occurs when a vertebra slides forward in relation to the vertebra below, commonly occurring at L5-S1
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spondylolisthesis
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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
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degeneration of the sciatic nerve
causes pain in the back of the thigh |
sciatica
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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
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any disease of a nerve root
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radiculopathy
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any disease of the nerve
causes numbness and tingling in the joints |
neuropathy
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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
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What are the risk factors for having a stroke?
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hypertension
smoking diabetes polycythemia thrombocythemia presence of lipoprotein-a impaired cardiac function atrial fibrillation |
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occurs when the cerebral arteries are occluded by plaques. The plaques either occludes completely or breaks off and travels upstream.
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thrombotic stroke
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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)
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the terminology used for thrombotic stroke because symptoms are slowly progressive over minutes to hours
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stroke-in-evolution (progressive stroke)
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a thrombotic stroke that has reached its maximum destructiveness
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completed stroke
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type of stroke that involves fragments that break from a thrombus formed outside the brain, in the heart, aorta, or common carotid
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embolic stroke
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What are the risk factors for an embolic stroke?
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atrial fibrillation
myocardial infarction endocarditis rheumatic heart disease carotid artery plaques |
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Why does a second stroke often follow an embolic stroke?
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because the source continues to exist
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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)
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What are the risk factors for a hemorrhagic stroke?
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long term elevation of systolic BP
aneurysms bleeding into a tumor head trauma illicit drug use |
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small area of infarct that occur in hypertension and diabetes, less than 1 cm in diameter
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lacunar stroke
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What are the CM of a stroke?
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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. |
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What are the CM of a hemorrhagic stroke?
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acute headache and sudden LOC
If the patient goes into a deep unconscious state, the person rarely survives. |
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What is the treatment for a thrombotic stroke?
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TPA, an anticoagulant drug
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What is the treatment for a hemorrhagic stroke?
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surgery
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What are the nursing implications for a stroke patient?
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Always keep the patient’s head elevated to prevent cerebral edema and promote venous return.
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Generally benign reoccurring headache often triggered by stress, hunger, fatigue, red wine, nitrates, MSG, chocolate, cheese, hormonal fluctuation, medications.
Generally, unilateral. |
migraine
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What is the treatment for a migraine?
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medication
dark room rest |
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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
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What are the CM of cluster headache?
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lacrimation
reddening of the eye nasal stuffiness eyelid ptosis nausea pain referred to the face and teeth. |
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Most common type of headache
mild to moderate band like or pressure around the head without other associated symptoms |
tension-type headache
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What are the 2 types of cerebral tumors?
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primary intracerebral
primary extracerebral |
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infection of the meninges
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meningitis
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What are some causes of meningitis?
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bacteria
viruses fungi tuberculosis (TB) |
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What are the CM of meningitis?
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nuchal ridigity (inflexibility of neck movement)
Kernig sign Brudzinski sign |
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inability to extend the leg with the hip flexed at a right angle
CM of meningitis |
Kernig sign
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flexion of the legs and thighs with forceful flexion of the neck onto the chest
CM of meningitis |
Brudzinski sign
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How is meningitis treated?
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antibiotics
if it is viral, use supportive measures |
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What are the nursing implications for meningitis?
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Neuro exam - looks for changes in LOC
Seizure precautions Support patient and family |
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localized collection of pus within in the parenchyma of the brain and spinal cord
often occur after trauma, neurosurgery, ear infection, or infection |
abscess
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What are the CM of an abscess?
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fever
changes in LOC seizures headache N/V nuchal rigidity confusion |
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What is the treatment for an abscess?
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treat cause
antibiotics ventilation nutrition wound care lumbar puncture supportive therapy |
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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
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What is the most common cause of encephalitis?
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virus
*can be caused by HIV |
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What is the treatment for encephalitis?
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anti-viral drugs
lumbar puncture |
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What can HIV cause?
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cerebral complications
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What carries Lyme disease?
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ticks
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disease that can cause encephalitis, meningitis, meningeal inflammation
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Lyme disease
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How is Lyme disease treated?
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antibiotics
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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
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What are the CM of Parkinson disease?
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muscle rigidity
tremors akinesia (gait and movement disturbances) mask-like facial expression drooling higher pitched voice impaired speech difficulty swallowing |
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What is the treatment for Parkinson disease?
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drug therapy to treat symptoms
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What are the nursing implications for Parkinson disease?
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psychosocial support
education physical therapy |
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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)
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What are the CM of multiple sclerosis?
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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. |
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What is the treatment for multiple sclerosis?
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steroids
muscle relaxants meds for urinary retention physical therapy supportive measures |
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What are the nursing implications for multiple sclerosis?
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exercises to improve urinary retention
assistive devices exercises psycho/social supportive measures support groups |
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degenerative disorder diffusely involving lower and upper motor neurons resulting in progressive muscle weakness
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amyotrophic lateral sclerosis (ALS)
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What are the CM of ALS?
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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 |
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What does ALS lead to that can cause death?
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respiratory failure
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What is the treatment for ALS?
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drugs (Rilutek)
muscle relaxants for spasticity |
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What are the nursing implications for ALS?
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supportive care
hospice |
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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
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What are the CM of Guillain-Barre syndrome?
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: 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.
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What is the treatment for Guillain-Barre syndrome?
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IV immune globin, respiratory support if needed, aggressive physical therapy. Plasmapheresis to reduce circulating antibodies.
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What are the nursing implications for Guillain-Barre syndrome?
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Ventilator management, ROM (range of motion exercises), nutrition, support, turn q2h, etc.
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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
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What are the CM of myasthenia gravis?
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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.
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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
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similar to myasthenic crisis but arises from anticholinesterase drug toxicity and occurs 30-60 minutes after taking medication
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cholinergic crisis
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What is the treatment for myasthenia gravis?
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anticholinesterase drugs to counteract fatigue and restore about 80% of muscle function. Corticosteriods. Plasmapheresis to remove acetylcholine receptor antibodies.
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What are the nursing implications for myasthenia gravis?
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Supportive, respiratory support, plasmaphoresis, support groups, etc.
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