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Delirium and Cognitive Disorders of the Elderly
Mental Health Nursing Lecture 8
42
Nursing
Undergraduate 2
05/30/2013

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Term
Priorities for treatment of delirium and cognitive disorders of the elderly:
Definition
-Elimination, correction of underlying cause
-Monitor changes in vital signs, mental status, and behavior
Term
Common causes of delirium/dementia in the elderly
Definition
1. Medication
2. Infection
3. Fluid/electrolyte imbalances
Term
Who is more likely to experience pain?
Definition
Older adults, rather than younger adults
Term
Aphasia
Definition
Alteration in language
Term
Apraxia
Definition
impaired ability to coordinate movements
Term
Agnosia
Definition
failure to recognize or identify objects
Term
Cognition
Definition
Act or process of knowing. Cognition includes every mental process that may be described as an experience of knowing (including perceiving, recognizing, conceiving, and reasoning)
cognitive mental processes
Term
Memory
Definition
the power or process of reproducing or recalling what has been learned and retained
short term and long term
Term
Dementia affects two areas:
Definition
cognition and memory
Term
Delirium
Definition
Sudden, severe confusion and rapid changes in brain function that occur with physical or mental illness.
fluctuates;
disturbance in consciousness
acute changes
reversible
Term
Dementia
Definition
Dementia is progressive loss of cognitive function, marked by MEMORY problems and COGNITIVE disturbances
Stable course
can slow progression with medication
irreversible
Term
Sundowning
Definition
experience periods of increased confusion and agitation as the sun goes down -- and sometimes through the night; may prevent people with dementia from sleeping well. It may also make them more likely to wander.
This is a common cause of caregiver burnout.
Term
Priorities for Treatment of Delirium/Dementia
Definition
1. Elimination or correction of the underlying cause
2. Monitor changes
Term
Biophysical Domain Assessment Methods
Definition
CAM Method of Assessment
Assessment of Risk Factors
Physical Assessment
Term
Psychosocial Domain Assessment Methods
Definition
MMSE
Perceptual changes
Reaction of family/significant others
Term
Elderly report which more often:
somatic symptoms or psychological symptoms?
Definition
Somatic symptoms: these bodily symptoms may mimic or mask psychiatric disorders
Term
How does suicide risk correlate with age?
Definition
as a person becomes older, suicide risk increases due to increased use of lethal methods of suicide
esp: white men >65
Term
20% of older adults experience specific disorders that are not a part of normal aging. These older adults consist of two groups:
Definition
-Longstanding mental health problems
-Free of mental health problems until they are older
Term
Alzheimer's Dementia definition
Definition
degenerative, progressive, neuropsychiatric disordder as evidenced by: cognitive impairment, emotional and behavioral changes, and physical and functional decline
50-60% of all dementias
Term
Diagnostic criteria for Alzheimer's Dementia
Definition
essential: multiple cognitive deficits
one or more of: aphasia, apraxia, agnosia, and disturbance of executive functioning
Term
Is Alzheimer's dementia more common in men or women?
Definition
twice as common in women
Term
Beta-amyloid plaques
Definition
are composed of a tangle of regularly ordered fibrillar aggregates called amyloid fibers, a protein fold shared by other peptides such as the prions associated with protein misfolding diseases.
Term
Neurofibrillary tangles
Definition
formed by hyperphosphorylation of a microtubule-associated protein known as tau, causing it to aggregate, or group, in an insoluble form. (These aggregations of hyperphosphorylated tau protein are also referred to as PHF, or "paired helical filaments").
Term
Dementia is characterized by what features?
Definition
Aphasia, apraxia, agnosia, disturbance of executive functioning, and sexual disinhibition
Term
Illusions
Definition
errors in perception of sensory stimuli; the stimulus is a real object in the environment, however it is misinterpreted and often becomes the object of the patient's perceived fear
Term
Hallucinations
Definition
false sensory stimuli
Term
Hyper vigilance
Definition
patients are extraordinarily alert: eyes constantly scan the room, difficulty falling asleep, or may be agitated throughout the night
Term
Primary Dementia
Definition
irreversible, progressive, and not secondary to any other disorder. Both Alzheimer's and vascular dementias are primary, progressive, and irreversible.
Term
Secondary Dementia
Definition
result of some other pathological process: i.e. AIDs dementia
Term
Confabulation
Definition
creation of stories or answers in place of actual memories to maintain self-esteem; not the same as lying, this is unconscious
Term
Perseveration
Definition
the repetition of phrases or behavior; intensified under stress
Term
Stage 1: AD Minimal to no symptoms
Definition
nothing overt
Term
Stage 2: AD Forgetfulness
Definition
Short term memory memory may be impacted; depression and anxiety are common
Term
Stage 3: AD Mild cognititive decline
Definition
interference with role performance; may get lost while driving;
Friends, family or co-workers begin to notice difficulties. During a detailed medical interview, doctors may be able to detect problems in memory or concentration
Term
Stage 4: Mild to Moderate Cognitive decline
Definition
depression; denial; confabulation; At this point, a careful medical interview should be able to detect clear-cut symptoms; Forgetfulness of recent events
Impaired ability to perform challenging mental arithmetic — for example, counting backward from 100 by 7s
Term
Stage 5: AD Moderate cognitive decline (early dementia)
Definition
loss of memory continues; trouble with ADL's; confused to place and time; Gaps in memory and thinking are noticeable, and individuals begin to need help with day-to-day activities.:Be unable to recall their own address or telephone number or the high school or college from which they graduated
Become confused about where they are or what day it is
Term
Stage 6: AD Moderate to Severe cognitive decline (Middle dementia)
Definition
Disorientation to familiar surroundings; some psychiatric behaviors (agitation, sexualizing, psychosis, wandering); symptoms seem to worsen in the afternoon; Memory continues to worsen, personality changes may take place and individuals need extensive help with daily activities; Experience major personality and behavioral changes
Term
Stage 7: AD Severe cognitive decline (Late dementia)
Definition
unable to recognize loved ones; immobility; dependent on caregivers for all ADL's; individuals lose the ability to respond to their environment, to carry on a conversation and, eventually, to control movement. They may still say words or phrases.
Term
Vascular Dementia
Definition
is a decline in thinking skills caused by conditions that block or reduce blood flow to the brain, depriving brain cells of vital oxygen and nutrients.changes in thinking skills sometimes occur suddenly following strokes that block major brain blood vessels. Thinking problems also may begin as mild changes that worsen gradually as a result of multiple minor strokes or other conditions that affect smaller blood vessels, leading to cumulative damage.
Term
Is vascular dementia more common in men or women?
Definition
more common in men
Term
Priority Care issues with Cognitive decline:
Definition
1.) delay cognitive decline
2.) Protect patient from hurting self
3.) PHysical needs
Term
Pharmacological Interventions for Cognitive disorders
Definition
Acetylcholinesterase inhibitors (aricept)
NMDA antagonists (Namenda, used with aricept)
Antipsychotics (haldol)
Antidepressants (good for anxiety)
Mood stabilizers (good for agitation)
Antianxiety
AVOID ANTICHOLINERGIC SIDE EFFECTS (hypotension)
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