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29 Cards in this Set
- Front
- Back
Cognition refers to all human thought processes affecting...?
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1. Memory
2. Comprehension 3. Judgment/reasoning 4. Affect 5. Attention/concentration 6. organization |
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What are some causes of impaired cognition?
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Head trauma
Organ failure Toxicity Metabolic disturbances Medications Other: stress, fever, pain, sleep deprivation, environmental |
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DELIRIUM VS DEMENTIA
What are the onsets? |
Delirium: rapid development
Dementia: gradual and insidious development |
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DELIRIUM VS DEMENTIA
What are the durations? |
Delirium: Brief duration of 1 month or less
Dementia: Long, with progressive deterioration |
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DELIRIUM VS DEMENTIA
What is the course? |
Delirium: More nocturnal exacerbations
Dementia: Stable progression of symptomatology |
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What are cognition changes found in delirium?
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disorientation
aimless activity memory deficit inability to pay attention incoherent speech perceptual disturbances (illusions) |
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What are some examples of delirium?
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AZ pt with severe infection
metabolic disturbances drugs postop surgery hypoxic states fever (children) Alcohol intoxication/withdrawl |
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What are the stages of AZ?
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1. Forgetful/mild (pt knows)
2. Confused/moderate (others know) 3. Demented/Severe (totally dependent) |
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What are the characteristics of the forgetful/mild stage of AZ?
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1. Depression
2. Slight recent memory loss, decreased ability to concentrate and make decisions 3. Lack of spontaneity 4. Should be able to complete most MSA |
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What are the characteristics of the confused/moderate stage of AZ?
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1. Gradual memory (remote) loss and cognitive impairments
2. More inappropriate behaviors (putting milk in cabinet; wandering at night) 3. Self-care deficits-frustrating (may not be able to put on socks) |
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What are the characteristics of the demented/severe stage of AZ?
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1. Can't recognize caregiver
2. Verbal and motor skills lost (bedridden, needs same routine) |
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What are the risk factors for Vascular Dementia?
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Cerebrovascular disease (blood flow blockage)
-diabetes -atherosclerosis -hypertension |
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What are the characteristics of Lewy Body Dementia?
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-Has similar symptoms to both AZ &PD
-Gait problems -Delusions -violent/aggressive behavior |
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What is Huntington's disease?
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-Hereditary; autosomal dominant chromosone 4
-Adult onset, progressive -Wasting of cerebral cortex and basal ganglia -Mostly problems with executive functioning |
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What are the characteristics of Huntington's disease?
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-Depression is an early sign (apathy, anxiety, irritability, suicidal, OC traits, impulsivity, psychosis)
-Chorea movements (uncontrolled, involuntary movements with head, trunk and limbs) -Deficits in executive tasks (attention, concentration, planning, multitasking) |
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What are the early s/s of AIDs Dementia?
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-depression and behavioral changes
-decreased concentration and organizing thoughts -psychomotor retardation -weakness in lower extremities (virus increases in basal ganglia) |
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What are the late s/s of AIDs dementia?
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-hallucinations
-confusion -disorientation -tremors -seizures -mutism -coma |
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What are some treatments for demented conditions?
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- Medical work up (labs & cognitive tools)
- CSF (HIV) - CT -MRI |
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What some cognitive tools used to treat demented conditions?
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- MSA (mini mental status assessment)
- clock test - specific dementia tests |
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What are some nursing care for communication with a demented pt?
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-simple limited choices/sentences; yes or no
- Allow time to respond (may have receptive or expressive aphasia, alexia, or agraphia) - use visual and tactile cues; gesturing - refer to objects by name (helps w/memory) - Reminiscence therapy (group that reminiscence on past history) - Avoid "why" and "don't" questions -Be friendly, nonthreatening and nonjudgmental/avoid criticism i.e. Lunch is ready vs Do you want to eat now? |
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How to prevent behavior problems in demented pts?
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-reinforce appropriate behavior
- balance sleep and rest - prevent fatigue - regular exercise - use of music |
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What are some ways to keep the mind healthy in the nursing home?
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- fine and gross motor activities (OT, PT)
- celebrate occasions - day room activities - Mind stimulating activities i.e. bridge, crossword puzzles, games |
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What are some basic care needs that must be met?
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- Elimination (monitor, keep routine)
- Bathing (room & water temperature) - Oral care -Nutrition (don't rush) -pt at risk for dehydration and malnutrition -pt at risk for aspiration (thicken foods, look for pocketed food) - watch for hoarding of food |
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DEF
Fluctuating behavior |
agitated, apathetic, wanders
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DEF
Apraxia |
difficulty performing motor tasks i.e. brushing teeth, combing hair
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DEF
Disturbance in executive functioning |
planning, organizing and sequencing information
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DEF
Aphasia |
language disturbance; unable to find the word they want to use
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DEF
Agnosia |
failure to recognize or identify objects and sounds
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What are meds used to treat dementia?
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- Antiviral (HIV)
-Antidepressants - Anticonvulsants (Depakote, Tegretrol) - used for impulsivity, agressive/assulting behavior - Antipsychotics (Risperdal) - Cholinesterase Inhibitors (Aricept, Exelon patch, Razadyne) decreases ACh |